M Michal

Summary

Affiliation: Charles University
Country: Czech Republic

Publications

  1. ncbi request reprint Phosphaturic mesenchymal tumor (mixed connective tissue variant): a case report with spectral analysis
    Ksenya V Shelekhova
    Department of Pathology, Petrov s Institute of Oncology, Saint Peterburg, Russia
    Virchows Arch 448:232-5. 2006
  2. ncbi request reprint Infiltrating retiform perineurioma: a case report
    Ksenia Shelekhova
    Department of Pathology, Petrov s Institute of Oncology, 197758 Saint Petersburg, Russia
    Ann Diagn Pathol 9:293-4. 2005
  3. ncbi request reprint Mature cystic teratoma of the ovary with male accessory sexual glands including seminal vesicles, prostatic tissue, and bulbo-urethral glands: a case report
    Ksenya V Shelekhova
    Department of Pathology, Petrov s Institute of Oncology, Saint Petersburg, Russia
    Virchows Arch 452:109-11. 2008
  4. pmc Cribriform adenocarcinoma of the tongue and minor salivary glands: a review
    Michal Michal
    Sikl s Department of Pathology, Faculty of Medicine in Pilsen, Charles University in Prague, Alej Svobody 80, 304 60 Pilsen, Czech Republic
    Head Neck Pathol 7:S3-11. 2013
  5. doi request reprint Progress in molecular diagnostics of gastrointestinal stromal tumors
    Ondrej Daum
    Charles University, Department of Pathology, Medical Faculty Hospital, Laborator Spec Diagnostiky, Alej Svobody 80, Plzen, 323 18, Czech Republic 42 06038 86633 42 03771 04650
    Expert Opin Med Diagn 1:315-24. 2007
  6. doi request reprint Paratesticular cystadenomas with ovarian stroma, metaplastic serous Müllerian epithelium, and male adnexal tumor of probable wolffian origin: A series of 5 hitherto poorly recognized testicular tumors
    Michal Michal
    Department of Pathology, Charles University in Prague, Faculty of Medicine in Pilsen, Czech Republic
    Ann Diagn Pathol 17:151-8. 2013
  7. pmc Review of juxtaglomerular cell tumor with focus on pathobiological aspect
    Naoto Kuroda
    Department of Diagnostic Pathology, Kochi Red Cross Hospital, Shin honmachi 2 13 51, Kochi City, Kochi 780 8562, Japan
    Diagn Pathol 6:80. 2011
  8. ncbi request reprint Primitive small cell tumor with epithelial, gangliocytic, neuroendocrine, and mesenchymal differentiation: report of 2 cases
    Michal Michal
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Alej Svobody 80, 304 60 Pilsen, Czech Republic
    Int J Surg Pathol 15:429-36. 2007
  9. ncbi request reprint Hemosiderotic fibrohistiocytic lipomatous lesion: clinical correlation with venous stasis
    Dmitry V Kazakov
    Sikl s Department of Pathology, Medical Faculty Hospital, Charles University, Alej Svobody 80, 304 60, Pilsen, Czech Republic
    Virchows Arch 447:103-6. 2005
  10. ncbi request reprint Gigantic cutaneous horns of the scalp: lesions with a gross similarity to the horns of animals: a report of four cases
    Michal Michal
    Department of Pathology, Laborator Spec Diagnostiky Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Surg Pathol 26:789-94. 2002

Detail Information

Publications127 found, 100 shown here

  1. ncbi request reprint Phosphaturic mesenchymal tumor (mixed connective tissue variant): a case report with spectral analysis
    Ksenya V Shelekhova
    Department of Pathology, Petrov s Institute of Oncology, Saint Peterburg, Russia
    Virchows Arch 448:232-5. 2006
    ..A spectral analysis indicated that chemically, the crystals mainly consisted of calcium phosphate and sodium nitrate...
  2. ncbi request reprint Infiltrating retiform perineurioma: a case report
    Ksenia Shelekhova
    Department of Pathology, Petrov s Institute of Oncology, 197758 Saint Petersburg, Russia
    Ann Diagn Pathol 9:293-4. 2005
    ..There were focal areas in which the neoplastic cells infiltrated the muscle tissue, widely separating the bundles. This case may represent a diagnostic pitfall as it can be confused with a malignant perineurioma...
  3. ncbi request reprint Mature cystic teratoma of the ovary with male accessory sexual glands including seminal vesicles, prostatic tissue, and bulbo-urethral glands: a case report
    Ksenya V Shelekhova
    Department of Pathology, Petrov s Institute of Oncology, Saint Petersburg, Russia
    Virchows Arch 452:109-11. 2008
    ..To our knowledge, this is the first case in the English literature describing seminal vesicles associated with prostatic tissue and bulbo-urethral glands in a mature ovarian teratoma...
  4. pmc Cribriform adenocarcinoma of the tongue and minor salivary glands: a review
    Michal Michal
    Sikl s Department of Pathology, Faculty of Medicine in Pilsen, Charles University in Prague, Alej Svobody 80, 304 60 Pilsen, Czech Republic
    Head Neck Pathol 7:S3-11. 2013
    ..Paradoxically, early metastatic disease seen in most cases of CATMSG is associated with an indolent behavior. It makes CATMSG a unique neoplasm among all low-grade salivary gland tumors. ..
  5. doi request reprint Progress in molecular diagnostics of gastrointestinal stromal tumors
    Ondrej Daum
    Charles University, Department of Pathology, Medical Faculty Hospital, Laborator Spec Diagnostiky, Alej Svobody 80, Plzen, 323 18, Czech Republic 42 06038 86633 42 03771 04650
    Expert Opin Med Diagn 1:315-24. 2007
    ....
  6. doi request reprint Paratesticular cystadenomas with ovarian stroma, metaplastic serous Müllerian epithelium, and male adnexal tumor of probable wolffian origin: A series of 5 hitherto poorly recognized testicular tumors
    Michal Michal
    Department of Pathology, Charles University in Prague, Faculty of Medicine in Pilsen, Czech Republic
    Ann Diagn Pathol 17:151-8. 2013
    ....
  7. pmc Review of juxtaglomerular cell tumor with focus on pathobiological aspect
    Naoto Kuroda
    Department of Diagnostic Pathology, Kochi Red Cross Hospital, Shin honmachi 2 13 51, Kochi City, Kochi 780 8562, Japan
    Diagn Pathol 6:80. 2011
    ..Additionally, pathologists and urologists need to recognize that this neoplasm in most cases pursues a benign course, but aggressive forms may develop in some cases...
  8. ncbi request reprint Primitive small cell tumor with epithelial, gangliocytic, neuroendocrine, and mesenchymal differentiation: report of 2 cases
    Michal Michal
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Alej Svobody 80, 304 60 Pilsen, Czech Republic
    Int J Surg Pathol 15:429-36. 2007
    ..Granules were found in the cytoplasm. We suggest the name "primitive small cell tumor with epithelial, gangliocytic, neuroendocrine, and mesenchymal differentiation" for this neoplasm...
  9. ncbi request reprint Hemosiderotic fibrohistiocytic lipomatous lesion: clinical correlation with venous stasis
    Dmitry V Kazakov
    Sikl s Department of Pathology, Medical Faculty Hospital, Charles University, Alej Svobody 80, 304 60, Pilsen, Czech Republic
    Virchows Arch 447:103-6. 2005
    ..A similar histopathological pattern is seen in acroangiodermatitis of Mali and vascular transformation of lymph node sinuses, and these conditions are also associated with impaired blood circulation...
  10. ncbi request reprint Gigantic cutaneous horns of the scalp: lesions with a gross similarity to the horns of animals: a report of four cases
    Michal Michal
    Department of Pathology, Laborator Spec Diagnostiky Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Surg Pathol 26:789-94. 2002
    ..Gigantic cutaneous horns are rare and benign. We think that they represent an extremely well-differentiated variant of proliferating tricholemmal tumor with an unusual and remarkable gross pattern...
  11. ncbi request reprint Epithelial plasma cell granuloma-like tumors of the lungs. A hitherto unrecognized tumor
    Michal Michal
    Department of Pathology, Faculty Hospital, Pilsen, Czech Republic
    Pathol Res Pract 198:311-6. 2002
    ..We are not aware of similar tumors described in the literature, and we suggest the name "epithelial plasma cell granuloma-like tumors" for these lesions...
  12. ncbi request reprint Plexiform xanthomatous tumor: a report of 20 cases in 12 patients
    Michal Michal
    Department of Pathology, Faculty Hospital Polsen Czech Republic
    Am J Surg Pathol 26:1302-11. 2002
    ....
  13. ncbi request reprint Mixed germ cell sex cord-stromal tumors of the testis and ovary. Morphological, immunohistochemical, and molecular genetic study of seven cases
    Michal Michal
    Sikl s Department of Pathology, Charles University Hospital, Pilsen, Czech Republic
    Virchows Arch 448:612-22. 2006
    ..All other germ cells were negative for amplification of 12p. All five successfully analyzed cases showed no mutation in all studied exons and exon-intron junctions in c-kit and PDFGRA genes...
  14. doi request reprint Mesothelial glandular structures within pseudosarcomatous proliferative funiculitis--a diagnostic pitfall: report of 17 cases
    Michal Michal
    Sikl s Department of Pathology, Laboratore Spec Diagnostiky Medical Faculty Hospital, Plzen, Czech Republic
    Int J Surg Pathol 16:48-56. 2008
    ....
  15. ncbi request reprint Primary signet-ring stromal tumor of the testis
    Michal Michal
    Department of Pathology, University Hospital Plzen, Pilsen, Czech Republic
    Virchows Arch 447:107-10. 2005
    ..The signet-ring stromal tumor of the testis is thus similar morphologically and immunohistochemically to the signet-ring stromal tumor of the ovary. The patient was free of recurrence and metastasis 3 years after the excision...
  16. doi request reprint Ovarian fibromas with heavy deposition of hyaline globules: a diagnostic pitfall
    Michal Michal
    Sikl s Department of Pathology, Bioptical Laboratory sro, Charles University Hospital, Pilsen, Czech Republic
    Int J Gynecol Pathol 28:356-61. 2009
    ..Follow-up in one of the patients was not available. The distinction of the ovarian fibromas with hyaline globules from the Krukenberg tumors and yolk sac tumor is discussed in the paper...
  17. ncbi request reprint A benign neoplasm with histopathological features of both schwannoma and retiform perineurioma (benign schwannoma-perineurioma): a report of six cases of a distinctive soft tissue tumor with a predilection for the fingers
    Michal Michal
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Alej Svobody 80, 30460 Pilsen, Czech Republic
    Virchows Arch 445:347-53. 2004
    ..We interpreted the lesions as hybrid tumors with features of schwannoma and retiform perineurioma...
  18. ncbi request reprint Mixed epithelial and stromal tumors of the kidney. A report of 22 cases
    Michal Michal
    Sikl s Department of Pathology, Laboratore Spec Diagnostiky Medical Faculty Hospital, Charles University Hospital, Alej Svobody 80, 30460 Pilsen, Czech Republic
    Virchows Arch 445:359-67. 2004
    ..In particular, the distinction from cystic nephroma in adult male patients is emphasized, and two cases of this entity are included in the study for comparison...
  19. ncbi request reprint Primary capillary hemangioblastoma of peripheral soft tissues
    Michal Michal
    Department of Pathology, Faculty Hospital, Pilsen, Czech Republic
    Am J Surg Pathol 28:962-6. 2004
    ..No electron-dense structures typical of secretory granules were seen in the stromal cells. No mutation of coding sequence of VHL gene was found...
  20. ncbi request reprint Gardner's syndrome associated fibromas
    Michal Michal
    Department of Pathology, Charles University Hospital, Pilsen, Czech Republic
    Pathol Int 54:523-6. 2004
    ..Therefore, the term Gardner's fibroma should not be used as a specific name for NTF arising in patients with Gardner's syndrome as suggested in the most recent WHO classification of soft tissue and bone tumors...
  21. doi request reprint Renal angiomyoadenomatous tumor: morphologic, immunohistochemical, and molecular genetic study of a distinct entity
    M Michal
    Department of Pathology, Charles University, Faculty Hospital, Plzen, Czech Republic
    Virchows Arch 454:89-99. 2009
    ..RAT is a distinct morphologic entity, being different morphologically, immunohistochemically, and genetically from all renal tumors including conventional clear cell carcinoma and mixed epithelial and stromal tumor of kidney...
  22. ncbi request reprint [The WHO classification of epithelial tumors of the uterine cervix (2003). Comment on the new classification]
    M Michal
    Siklův patologicko anatomický ustav FN, Plzen
    Ceska Gynekol 69:156-60. 2004
  23. ncbi request reprint Branchial-like cysts of the thyroid associated with solid cell nests
    Michal Michal
    Sikl s Department of Pathology, Charles University, Pilsen, Czech Republic
    Pathol Int 56:150-3. 2006
    ..Immunohistochemically, all lesional elements were negative for calcitonin and thyroglobulin. The results of the paper suggest that branchial cleft-like cyst have an origin in the ultimobranchial body...
  24. doi request reprint Typical signs of oncocytic papillary renal cell carcinoma in everyday clinical praxis
    T Urge
    Department of Urology, Faculty of Medicine in Pilsen, Charles University in Prague and Faculty Hospital, Dr E Benese 13, 30599, Plzen, Czech Republic
    World J Urol 28:513-7. 2010
    ..We compare clinical data of O-PRCC with other subtypes of PRCC such as the main tumour size, necrotic changes, presence of pseudocapsula and real extrarenal growth in retrospective study...
  25. ncbi request reprint Cribriform adenocarcinoma of the tongue: a hitherto unrecognized type of adenocarcinoma characteristically occurring in the tongue
    M Michal
    Department of Pathology, Medical Faculty of Charles University in Pilsen, Pilsen, Czech Republic
    Histopathology 35:495-501. 1999
    ..We report a review of our institutional and consultation files in order to select cases of hitherto unrecognized type of adenocarcinoma occurring in the tongue...
  26. ncbi request reprint Hybrid peripheral nerve sheath tumors: Schwannoma-perineurioma and neurofibroma-perineurioma. A report of three cases in extradigital locations
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, 30460 Pilsen, Czech Republic
    Ann Diagn Pathol 9:16-23. 2005
    ..An ultrastructural study was performed in one case of neurofibroma-perineurioma. All cases were studied for mutation of the NF2 gene, and in one case (neurofibroma-perineurioma) a point mutation was detected in exon 15 of the gene...
  27. ncbi request reprint Brooke-Spiegler syndrome: report of a case with combined lesions containing cylindromatous, spiradenomatous, trichoblastomatous, and sebaceous differentiation
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Dermatopathol 27:27-33. 2005
    ..The occurrence of sebaceous and trichoblastic differentiation in spiradenocylindromas is a further proof that spiradenoma and cylindroma are not eccrine tumors but neoplasms of the folliculosebaceousapocrine unit...
  28. ncbi request reprint Reactive syringofibroadenomatous hyperplasia in peristomal skin with formation of hybrid epidermal-colonic mucosa glandular structures, intraepidermal areas of sebaceous differentiation, induction of hair follicles, and features of human papillomavirus in
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Dermatopathol 27:135-41. 2005
    ..The rudimentary follicles and sebaceous differentiation were probably induced by an altered stroma and/or human papillomavirus (HPV): HPV, type 36 was identified by PCR using consensus primers followed by sequencing of the PCR products...
  29. doi request reprint Tumours in end-stage kidney
    M Hora
    Department of Urology, Charles University Hospital, Plzen, Czech Republic
    Transplant Proc 40:3354-8. 2008
    ..The malignant potential is unclear. The question is whether to remove both kidneys in patients with a tumor on one side only diagnosed by computed tomography (CT)...
  30. ncbi request reprint Spiradenocylindromas of the skin: tumors with morphological features of spiradenoma and cylindroma in the same lesion: report of 12 cases
    M Michal
    Sikl s Department of Pathology, Medical Faculty, Charles University, Pilsen, Czech Republic
    Pathol Int 49:419-25. 1999
    ..Three patients died of the disease and the other patients were either free of disease or alive with disease 1-30 years on follow up...
  31. doi request reprint Mammary analogue secretory carcinoma of salivary glands, containing the ETV6-NTRK3 fusion gene: a hitherto undescribed salivary gland tumor entity
    Alena Skalova
    Department of Pathology, Charles University, Pilsen, Czech Republic
    Am J Surg Pathol 34:599-608. 2010
    ..Thus, our results strongly support the concept that MASC and AciCC are different entities...
  32. ncbi request reprint Oncocytic papillary renal cell carcinoma: a clinicopathologic, immunohistochemical, ultrastructural, and interphase cytogenetic study of 12 cases
    Ondrej Hes
    Department of Special Diagnostics SPAU, University Hospital Plzen, Czech Republic
    Ann Diagn Pathol 10:133-9. 2006
    ..One patient died of metastases. Interphase cytogenetic analysis by fluorescent in situ hybridization can be a diagnostic tool in cases mimicking an oncocytoma...
  33. doi request reprint Acinic cell carcinoma with high-grade transformation: a report of 9 cases with immunohistochemical study and analysis of TP53 and HER-2/neu genes
    Alena Skalova
    Department of Pathology, Charles University in Prague, Faculty of Medicine, 305 99 Pilsen, Czech Republic
    Am J Surg Pathol 33:1137-45. 2009
    ..Six of 9 patients (66%) died from tumor dissemination, all with a median overall survival of 4.3 years (range: 1 to 9 y). The high propensity for LN metastases indicates the need for neck dissection at the time of diagnosis...
  34. ncbi request reprint Hidradenoma papilliferum with oxyphilic metaplasia: a clinicopathological study of 18 cases, including detection of human papillomavirus
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Dermatopathol 27:102-10. 2005
    ..A causal role for HPV in hidradenoma papilliferum cannot be confirmed from our results, as the detection rate is too low. The exact role of the HPV in etiology and pathogenesis of this neoplasm has yet to be determined...
  35. ncbi request reprint Cutaneous sebaceous neoplasms with a focal glandular pattern (seboapocrine lesions): a clinicopathological study of three cases
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Dermatopathol 29:359-64. 2007
    ..These tumors may be viewed as rare histopathological variants of sebaceous carcinoma and sebaceoma, with a second type of differentiation along the lines of the folliculosebaceous-apocrine unit...
  36. ncbi request reprint Oncocytic myoepithelioma and pleomorphic adenoma of the salivary glands
    A Skalova
    Department of Pathology, Medical Faculty, Charles University, Pilsen, Czech Republic
    Virchows Arch 434:537-46. 1999
    ..We describe some unusual histological features associated with onococytic metaplasia in benign myoepithelial cell-derived salivary gland tumours, hoping to help to avoid the overdiagnosis of malignancy...
  37. ncbi request reprint Chromophobe renal cell carcinoma with microcystic and adenomatous arrangement and pigmentation--a diagnostic pitfall. Morphological, immunohistochemical, ultrastructural and molecular genetic report of 20 cases
    O Hes
    Department of Pathology, University Hospital, Charles University, Plzen, Czech Republic
    Virchows Arch 446:383-93. 2005
    ..The important feature of pigmented microcystic chromophobe renal cell carcinoma is a relatively benign biological behavior and the absence of distant metastases and sarcomatoid transformation...
  38. doi request reprint Endolymphatic sac tumor (aggressive papillary tumor of middle ear and temporal bone): report of two cases with analysis of the VHL gene
    A Skalova
    Department of Pathology, Medical Faculty of Charles University, Pilsen, Czech Republic
    Pathol Res Pract 204:599-606. 2008
    ..This mutation is a C to T exchange at position 194, resulting in amino acid exchange S65L. No mutation was found in any of the three exons analyzed and in the exon-intron junctions of the VHL gene in the sporadic case...
  39. ncbi request reprint Small cell variant of renal oncocytoma--a rare and misleading type of benign renal tumor
    O Hes
    Department of Pathology, Medical Faculty Hospital, Pilsen, Czech Republic
    Int J Surg Pathol 9:215-22. 2001
    ..We summarize all morphologic, immunohistochemical, and ultrastructural features of this unusual oncocytoma variant with regard to its differential diagnosis. Int J Surg Pathol 9(3):215-222, 2001..
  40. doi request reprint Spiradenocylindroma-like basaloid carcinoma of the anus and rectum: case report, including HPV studies and analysis of the CYLD gene mutations
    Denisa Kacerovska
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Dermatopathol 30:472-6. 2008
    ..A molecular biology study identified HPV-16 in the lesional tissue. Analysis of the CYLD gene did not prove any mutation...
  41. ncbi request reprint Primary intranodal cellular angiolipoma
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Pilsen, Czech Republic
    Int J Surg Pathol 13:99-101. 2005
    ..As we present in this report, angiolipoma is another neoplasm whose primary occurrence in the lymph node should not be misinterpreted as a metastatic tumor or malignant vascular tumor...
  42. ncbi request reprint Clear cell type of renal cell carcinoma with numerous hyaline globules: a diagnostic pitfall
    Ondrej Hes
    Department of Pathology, University Hospital Plzen, Czech Republic
    Pathol Int 55:150-4. 2005
    ..The GHG were localized within rough endoplasmic reticulum. Molecular genetically, mutation of the distal part of exon 3 of the VHL gene causing elongation of the VHL protein was found in the tumor, thus confirming the diagnosis of CRCC...
  43. ncbi request reprint Low-grade trichoblastic carcinosarcoma of the skin
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Dermatopathol 26:304-9. 2004
    ..There were also a high number of p53-positive cells in both compartments. We propose the term "low-grade trichoblastic carcinosarcoma" for this neoplasm. We are not aware of a similar tumor published in the English literature...
  44. ncbi request reprint Cutaneous lymphoid hyperplasia and other lymphoid infiltrates of the breast nipple: a retrospective clinicopathologic study of fifty-six patients
    Ludmila Boudova
    Department of Pathology, Medical Faculty Hospital, Charles University, Pilsen, Czech Republic
    Am J Dermatopathol 27:375-86. 2005
    ..We conclude that cutaneous lymphoid hyperplasia is the most common lymphoproliferation of the breast nipple, rarely recognized clinically, and often overdiagnosed histologically as lymphoma...
  45. ncbi request reprint Carcinoid-like pattern in sebaceous neoplasms: another distinctive, previously unrecognized pattern in extraocular sebaceous carcinoma and sebaceoma
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Dermatopathol 27:195-203. 2005
    ..This pattern seems to be closely related to the rippled and labyrinthine/sinusoidal patterns, as exemplified by our cases, in which these arrangements sometimes occurred simultaneously...
  46. ncbi request reprint Shadow cell differentiation in testicular teratomas. A report of two cases
    M Zamecnik
    Sikls Department of Pathology, Faculty Hospital, Charles University, Pilsen, Czech Republic
    Cesk Patol 41:102-6. 2005
    ..This is, however, not the case and the distinction of teratoma from dermoid cyst must be based on other morphological findings...
  47. ncbi request reprint Benign mixed epithelial and stromal tumor of the kidney
    M Michal
    Department of Pathology, Medical Faculty, Charles University, Pilsen, Czech Republic
    Pathol Res Pract 194:445-8. 1998
    ..Histologically, the tumor differed from the nephrogenic adenofibroma and the rare cases of adult Wilms tumors, mesoblastic nephromas and cystic nephromas...
  48. ncbi request reprint Dendritic cell neurofibroma with pseudorosettes: a report of 18 cases of a distinct and hitherto unrecognized neurofibroma variant
    M Michal
    Department of Pathology, Faculty Hospital, Pilsen, Czech Republic
    Am J Surg Pathol 25:587-94. 2001
    ..No signs of neurosecretory granules were present at ultrastructural level. None of the lesions recurred and none metastasized over a mean follow-up of 8.1 years...
  49. ncbi request reprint Meningeal nodules in teratoma of the testis
    M Michal
    Sikl s Department of Pathology, Medical Faculty Hospital, Pilsen, Czech Republic
    Virchows Arch 438:198-200. 2001
    ....
  50. ncbi request reprint Malignancy-simulating change in parotid gland oncocytoma following fine needle aspiration. Report of 3 cases
    A Skalova
    Department of Pathology, Medical Faculty, Charles University, Plzen, Czech Republic
    Pathol Res Pract 195:399-405. 1999
    ..This report provides another, previously undescribed, example of a diagnostic pitfall that may be observed in histologic tissue specimens removed after FNA of oncocytic tumors...
  51. ncbi request reprint Vanek's tumor (inflammatory fibroid polyp). Report of 18 cases and comparison with three cases of original Vanek's series
    Ondrej Daum
    Department of Pathology, Medical Faculty Hospital, Plzen, Czech Republic
    Ann Diagn Pathol 7:337-47. 2003
    ..In contrast to gastrointestinal stromal tumors, genetically no substitution, deletion, or insertion occurred in c-kit exon 11 in all analyzed samples. Likewise, no deletion or insertion in part of c-kit exon 9 was observed...
  52. ncbi request reprint Benign schwannoma with perineurioma-like areas: A clinicopathologic study of 11 cases
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Pilsen, Czech Republic
    Int J Surg Pathol 14:320-5. 2006
    ..These neoplasms represent a morphologic variant of schwannoma having distinctive perineurial-like areas, a pattern which may elicit diagnostic difficulties...
  53. ncbi request reprint Metanephric adenoma and papillary carcinoma with sarcomatoid dedifferentiation of kidney. A case report
    Ondrej Hes
    Department of Pathology, Charles s University Hospital, Pilsen, Czech Republic
    Pathol Res Pract 199:629-32. 2003
    ..One year after the excision, the patient is without recurrence and metastasis. The existence of the above mentioned tumor supports the hypothesis that metanephric adenomas and papillary renal cell carcinomas are interrelated lesions...
  54. ncbi request reprint Oncocytic papillary carcinoma with lymphoid stroma (Warthin-like tumour) of the thyroid: a distinct entity with favourable prognosis
    M Ludvikova
    Department of Pathology and Biology, Charles University Medical Faculty, Plzen, Czech Republic
    Histopathology 39:17-24. 2001
    ..Polymerase chain reaction, in situ hybridization, and immunohistochemistry for Epstein-Barr virus (EBV) detection revealed no significant positive signal. MIB-1 labelling index was low, compatible with that of 'classical' PC...
  55. ncbi request reprint Nodular mucinosis of the breast: report of three cases
    M Michal
    Department of Pathology, Faculty Hospital, Pilsen, Czech Republic
    Pathol Int 48:542-4. 1998
    ..The lesion should be distinguished particularly from mucocele-like lesions of the breast by the location, nodular arrangement, absence of accompanying ductal hyperplasia and staining properties of the mucous substances...
  56. ncbi request reprint Cystic hypersecretory carcinoma: rare and poorly recognized variant of intraductal carcinoma of the breast. Report of five cases
    A Skalova
    Department of Pathology, Medical Faculty, Charles University, Plzen, Czech Republic
    Histopathology 46:43-9. 2005
    ..To report five cases of a rare variant of intraductal carcinoma of the breast, so-called cystic hypersecretory carcinoma. The clinical and pathological characteristics of the lesion are described, along with a review of the literature...
  57. ncbi request reprint Aggressive angiomyxoma presenting as polyp of uterine cavity
    A Skalova
    Department of Pathology, Medical Faculty, Charles University, Plzen, Czech Republic
    Pathol Res Pract 196:719-25. 2000
    ..Immunohistochemical and ultrastructural findings support the conclusion that the progenitor cell displays myofibroblastic and fibroblastic features, with a capacity for smooth muscle differentiation...
  58. ncbi request reprint Intrathyroidal lymphoepithelial cyst. A report of two cases not associated with Hashimoto's thyroiditis
    A Ryska
    Department of Pathology, Charles University Medical Faculty Hospital, Hradec Kralove, Czech Republic
    Pathol Res Pract 193:777-81. 1997
    ..This assumption is supported by a similar immunohistochemical profile of solid cell nests and epithelial cells lining the cysts and also by the presence of one solid cell nest in the proximity to the cyst in one of our cases...
  59. ncbi request reprint Myoepitheliomas of the skin and soft tissues. Report of 12 cases
    M Michal
    Department of Pathological Anatomy, Medical Faculty, Charles University, Pilsen, Czech Republic
    Virchows Arch 434:393-400. 1999
    ..Myoepitheliomas of soft tissues should be distinguished from other neoplasms with epithelial differentiation and from ossifying fibromyxoid tumour of soft parts, parachordoma and extraskeletal myxoid chondrosarcoma...
  60. ncbi request reprint [Benign mesenchymal stromal tumor of the breast simulating benign schwannoma in an 81-year-old male--a case report]
    Z Kinkor
    Bioptická laborator, s r o, Plzen
    Cesk Patol 42:186-90. 2006
    ..On the background of both detailed review and differential diagnosis of benign, so-called stromal tumor of the female breast, the rarity of this microscopic finding in male is documented...
  61. ncbi request reprint [Splenosis in the abdominal wall subcutis]
    L Boudova
    Siklův patologicko anatomický ústav Fakultní nemocnice a Lékarské fakulty Univerzity Karlovy v Plzni
    Rozhl Chir 85:477-80. 2006
    ..The lesion simulated clinically a hernia or a tumour due to its large size and location. Additionally, no history could be taken from the patient due to his mental handicap. The diagnosis of splenosis was established histologically...
  62. ncbi request reprint [Isolated lymphadenopathy as the first presentation of systemic mastocytosis--description of two cases]
    Z Kinkor
    Bioptická laborator s r o, Plzen
    Cesk Patol 42:34-8. 2006
    ..The latter not only outlines the oncopathogenesis but, in particular, also provides important prognostic and biological implications of this peculiar disease...
  63. ncbi request reprint [Intratubular germ cell neoplasia--review article]
    O Hes
    Siklův patologickoanatomický ústav LF a FN, Plzen
    Cesk Patol 43:136-40. 2007
    ..Spermatogonic arrest and rare reactive changes within seminiferous tubuli have to be distinguished from intratubular germ cell neoplasia...
  64. ncbi request reprint [Diagnostics of human papillomaviruses]
    I Mikyskova
    Bioptická s r o, Plzen
    Ceska Gynekol 69:510-6. 2004
    ..From this context arise need of theoretical rudiments and experience for HPV diagnostics...
  65. ncbi request reprint [Syndrome of pseudomyxoma peritonei--description of three cases and survey of the problem]
    Z Kinkor
    Bioptická laborator, s r o, a Siklův ústav patologie, LF UK, Plzen
    Ceska Gynekol 70:67-72. 2005
    ..To describe personal experience with three heterogeneous cases of pseudomyxoma peritonei. Review of the literature concentrates on the pathogenesis and biologic spectrum of the rare syndrome...
  66. ncbi request reprint [The peroperative biopsy--an overview of its problematical aspects from the pathologist's viewpoint]
    O Hes
    Siklův patologicko anatomický ústav FN Plzen
    Rozhl Chir 83:329-32. 2004
    ..In the last part of this study, the authors describe macroscopic featuries of the mucinous ovarial tumors and their differentiation from the gastrointestinal tract adenocarcinoma metastases, using macroscopy and histological techniques...
  67. ncbi request reprint [Pseudolymphoma of the breast nipple. The problem overview]
    L Boudova
    Siklův patologicko anatomicky ústav Fakultní nemocnice a Lékaiské fakulty Univerzity Karlovy v Plzni
    Rozhl Chir 84:66-9. 2005
    ..Beside CPL, the differential diagnosis of the breast nipple lesions further includes Paget carcinoma, eczema, and florid papillomatosis...
  68. ncbi request reprint [Spindle cell and cuboidal renal cell carcinoma (loopoma). 10 case reports]
    O Hes
    Oddĕlení speciální diagnostiky SPAU FN, Plzen
    Cas Lek Cesk 143:169-73. 2004
    ..e. conventional RCC, papillary RCC, chromophobe RCC, collecting duct/medullary RCC and unclassified RCC. We present 13 cases of unusual and unclassified spindle and cuboidal renal cell carcinomas...
  69. ncbi request reprint [Tumorous diseases in patients with the testicular feminization syndrome ("androgen insensitivity" syndrome)--description of two cases]
    O Hes
    Oddelení speciální diagnostiky SPAU, FN Plzen
    Ceska Gynekol 70:113-7. 2005
    ..To describe tumors occurring in two cases of testicular feminization syndrome...
  70. ncbi request reprint [Carcinoids of the appendix]
    P Mukensnabl
    Siklův patologicko anatomický ustav FN a LF UK Plzen
    Rozhl Chir 84:197-200. 2005
    ..At the end of the study report, a brief table summarizing the most important features of the individual histological types of the appendical carcinoids, is attached...
  71. ncbi request reprint [Metastasing and relapsing "low grade" adenosquamous metaplastic breast cancer--is there a really indolent lesion? A description of three cases and review of literature]
    Z Kinkor
    Bioptická laboratof s r o, Plzen
    Ceska Gynekol 70:211-6. 2005
    ..Due to the aggressive course in two cases, the review of the literature does not concentrate on morphology and differential diagnosis only, but discuss overall biology of this lesion too...
  72. ncbi request reprint Human papillomavirus in lesions of anogenital mammary-like glands
    Dmitry V Kazakov
    Sikl s Department of Pathology, Medical Faculty Hospital, Charles University, Pilsen, Czech Republic
    Int J Gynecol Pathol 26:475-80. 2007
    ..These results coupled with those obtained from literature review suggest that HPV plays no causative role in lesions of anogenital MLG...
  73. ncbi request reprint Apocrine mixed tumors of the skin with architectural and/or cytologic atypia: a retrospective clinicopathologic study of 18 cases
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Surg Pathol 31:1094-102. 2007
    ..We conclude that some atypical cytoarchitectural features in apocrine mixed tumors, albeit worrisome, do not indicate a malignant change...
  74. ncbi request reprint Apocrine mixed tumor of the skin ("mixed tumor of the folliculosebaceous-apocrine complex"). Spectrum of differentiations and metaplastic changes in the epithelial, myoepithelial, and stromal components based on a histopathologic study of 244 cases
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University Medical Faculty Hospital, Pilsen, Czech Republic
    J Am Acad Dermatol 57:467-83. 2007
    ..A systematic analysis of the entire spectrum of various forms of differentiation and metaplastic epiphenomena in cutaneous apocrine mixed tumor (AMT) has never been performed...
  75. ncbi request reprint Skin-type hidradenoma of the breast parenchyma with t(11;19) translocation: hidradenoma of the breast
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Dermatopathol 29:457-61. 2007
    ..A 120-bp METC1/MAML2 fusion transcript was identified by RT-PCR and subsequent sequencing technique. This t(11;19) translocation has been reported in approximately 50% of hidradenomas of the skin...
  76. ncbi request reprint Absence of Epstein-Barr virus, human papillomavirus, and simian virus 40 in patients of central european origin with lymphoepithelioma-like carcinoma of the skin
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Dermatopathol 29:365-9. 2007
    ..Because all 10 cases studied proved negative for EBV, HPV, and SV40, these viruses seem to play no causal role in LELC of the skin in patients from Central Europe...
  77. ncbi request reprint Nodular Hyperplasia of the Bartholin Gland: A Clinicopathological Study of Two Cases, Including Detection of Clonality by HUMARA
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Dermatopathol 29:385-7. 2007
    ..Clonality analysis performed in one case revealed a monoclonal pattern, suggesting that the lesion may be a neoplastic process rather than simple reactive hyperplasia...
  78. doi request reprint Hyperplasia of hair follicles and other adnexal structures in cutaneous lymphoproliferative disorders: a study of 53 cases, including so-called pseudolymphomatous folliculitis and overt lymphomas
    Dmitry V Kazakov
    Sikl Department of Pathology, Medical Military Academy, Saint Petersburg, Russia
    Am J Surg Pathol 32:1468-78. 2008
    ..We conclude that hyperplasia of hair follicles and other adnexa can be seen not only in the condition currently known as PLF, but also in genuine cutaneous lymphomas and may be just a happenstance secondary to a basic pathologic process...
  79. doi request reprint Morphologic diversity of syringocystadenocarcinoma papilliferum based on a clinicopathologic study of 6 cases and review of the literature
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Dermatopathol 32:340-7. 2010
    ..Its association with the benign counterpart and ductal changes suggests a transformation that may involve usual ductal hyperplasia-atypical ductal hyperplasia-(ductal) adenocarcinoma in situ-invasive adenocarcinoma pathway...
  80. doi request reprint Fibroadenoma and phyllodes tumors of anogenital mammary-like glands: a series of 13 neoplasms in 12 cases, including mammary-type juvenile fibroadenoma, fibroadenoma with lactation changes, and neurofibromatosis-associated pseudoangiomatous stromal hyperp
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Czech Republic
    Am J Surg Pathol 34:95-103. 2010
    ....
  81. doi request reprint Skin type spiradenoma of the parotid gland with malignant transformation: report of a case with analysis of the CYLD gene
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University Medical Faculty Hospital, Pilsen, Czech Republic
    Hum Pathol 40:1499-503. 2009
    ..Analysis of the CYLD gene revealed polymorphisms. This is the first report of a "dermal analogue tumor" of the salivary gland that resembled a cutaneous spiradenoma and not a cylindroma...
  82. doi request reprint Crystal-deficient alveolar soft-part sarcoma with cutaneous involvement: a case report
    Denisa Kacerovska
    Sikl s Department of Pathology, Charles University Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Dermatopathol 31:272-7. 2009
    ..Molecular genetic study revealed fusion transcript ASPL-TFE3, type 2. To the best of our knowledge, cutaneous involvement of a crystal-deficient ASPS has not been reported...
  83. doi request reprint Morphologic diversity of malignant neoplasms arising in preexisting spiradenoma, cylindroma, and spiradenocylindroma based on the study of 24 cases, sporadic or occurring in the setting of Brooke-Spiegler syndrome
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Surg Pathol 33:705-19. 2009
    ....
  84. doi request reprint A distinctive translocation carcinoma of the kidney ["rosette-like forming," t(6;11), HMB45-positive renal tumor]
    Milan Hora
    Department of Urology, Charles University Hospital, Plzen, Czech Republic
    Int Urol Nephrol 41:553-7. 2009
    ..Recently, a novel renal carcinoma with specific clinical and histological characteristics and translocation t(6;11)(p21.1;q12 or q13) has been identified. We have found 11 cases in the literature, and we are adding another 3 cases...
  85. doi request reprint Cutaneous hidradenocarcinoma: a clinicopathological, immunohistochemical, and molecular biologic study of 14 cases, including Her2/neu gene expression/amplification, TP53 gene mutation analysis, and t(11;19) translocation
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Dermatopathol 31:236-47. 2009
    ..Even rarer is the amplification of the Her2/neu gene. Of note is the relatively low frequency of TP53 mutations despite a high rate of p53 protein expression at the immunohistochemical level...
  86. doi request reprint End-stage kidney disease: gains of chromosomes 7 and 17 and loss of Y chromosome in non-neoplastic tissue
    Ondrej Hes
    Department of Pathology, Faculty of Medicine Plzen, Charles University Prague, Plzen, Czech Republic
    Virchows Arch 453:313-9. 2008
    ..e., trisomies of chromosomes 7 and 17, are very frequent in non-neoplastic parenchyma of the end-stage kidney, and they have a tendency to a multifocal occurrence...
  87. doi request reprint Hyperplasia of ectopic sebaceous glands in the uterine cervix: case report
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University Medical Faculty Hospital, Pilsen, Czech Republic
    Int J Gynecol Pathol 29:605-8. 2010
    ..In one area, there were over 20 sebaceous lobules that were partly connected to a sebaceous duct. To our knowledge, similar changes in ectopic sebaceous glands in the uterine cervix have not been reported till date...
  88. ncbi request reprint Morphological variations of scar-related and spontaneous endometriosis of the skin and superficial soft tissue: a study of 71 cases with emphasis on atypical features and types of müllerian differentiations
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University Medical Faculty Hospital, Pilsen, Czech Republic
    J Am Acad Dermatol 57:134-46. 2007
    ..All patients were women, whose ages ranged from 22 to 65 years (median, 32 years)...
  89. doi request reprint A case of Brooke-Spiegler syndrome with a novel germline deep intronic mutation in the CYLD gene leading to intronic exonization, diverse somatic mutations, and unusual histology
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Dermatopathol 31:664-73. 2009
    ..A deep intronic mutation resulting in exonization and a somatic sequence mutations causing exon skipping are hitherto unreported genetic mechanisms involving the CYLD gene in patients with Brooke-Spiegler syndrome...
  90. ncbi request reprint Low-grade adnexal carcinoma of the skin with multidirectional (glandular, trichoblastomatous, spiradenocylindromatous) differentiation
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Dermatopathol 28:341-5. 2006
    ....
  91. ncbi request reprint Dermatofibrosarcoma protuberans with EMa+ cells. Report of a case suggesting perineurial cell differentiation
    Michal Zamecnik
    Sikl s Department of Pathology, Faculty Hospital, Charles University, Pilsen, Czech Republic
    Pathol Res Pract 198:767-74; discussion 775. 2002
    ..DFSP should be included in the differential diagnosis of EMA-positive spindle cell lesions of superficial soft tissue and skin...
  92. ncbi request reprint An unusual hamartoma of the folliculosebaceous-apocrine unit: a case report
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Pilsen, Czech Republic
    J Cutan Pathol 33:365-8. 2006
    ..Some of the epithelial structures were reminiscent of those seen in tubular apocrine adenoma; others resembled syringomatous elements. We interpreted this unusual lesion as a hamartoma of the folliculosebaceous-apocrine unit...
  93. ncbi request reprint Trichoepithelioma with giant and multinucleated neoplastic epithelial cells
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Dermatopathol 28:63-4. 2006
    ..CD34 stained the stroma. We believe that the focal presence of pleomorphic giant cells in trichoepithelioma has no clinical or prognostic implications and does not denote its "malignant transformation"...
  94. ncbi request reprint Low-grade metaplastic adenocarcinoma (carcinosarcoma) of the uterus: report of an unusual case
    Michal Zamecnik
    Sikl s Department of Pathology, Faculty Hospital, Charles University, 32600 Pilsen, Czech Republic
    Ann Diagn Pathol 9:335-9. 2005
    ..The course of disease was indolent. Low-grade müllerian carcinosarcoma is to be distinguished from other biphasic müllerian tumors...
  95. ncbi request reprint Intraneural dendritic cell neurofibroma with pseudorosettes
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Dermatopathol 26:72-5. 2004
    ..This observation gives further evidence that this entity is a peripheral nerve sheath tumor and is unrelated to melanocytic neoplasms...
  96. ncbi request reprint Dendritic cell neurofibroma with pseudorosettes lacks mutations in exons 1-15 of the neurofibromatosis type 2 gene
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Dermatopathol 27:286-9. 2005
    ....
  97. ncbi request reprint Pseudoangiomatous stromal hyperplasia in lesions involving anogenital mammary-like glands
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Surg Pathol 29:1243-6. 2005
    ..The clinicopathologic features of PASH in the anogenital area seem to be identical to those in the breast...
  98. ncbi request reprint Primary cutaneous histiocyte and neutrophil-rich CD30+ and CD56+ anaplastic large-cell lymphoma with prominent angioinvasion and nerve involvement in the forehead and scalp of an immunocompetent woman
    Ludmila Boudova
    Department of Pathology, Medical Faculty Hospital, Charles University, Pilsen, Czech Republic
    J Cutan Pathol 33:584-9. 2006
    ..They share a clinicopathological overlap with natural killer- (NK)/T-cell lymphomas and anaplastic large-cell lymphomas (ALCLs), two entities with widely disparate clinical behavior...
  99. ncbi request reprint Pleomorphic hyalinizing angiectatic tumor with a sarcomatous component recurring as high-grade myxofibrosarcoma
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Pilsen, Czech Republic
    Pathol Int 57:281-4. 2007
    ..Hyalinized, fibrin-containing vessels typical for PHAT were absent. PHAT may be more aggressive than previously thought, and PHAT may encompass a morphological spectrum of the lesion ranging from benign to malignant...
  100. ncbi request reprint Sebaceous carcinoma arising in nevus sebaceus of Jadassohn: a clinicopathological study of five cases
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Dermatopathol 29:242-8. 2007
    ..The rest of organoid nevus is usually recognized both clinically and microscopically, although large tumors may overgrow and mask the nevus. The tumor seems to be a low-grade carcinoma in terms of clinical behavior...
  101. ncbi request reprint Primary cutaneous lymphoproliferative disorders with dual lineage rearrangement
    Dmitry V Kazakov
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Pilsen, Czech Republic
    Am J Dermatopathol 28:399-409. 2006
    ..Further reports are needed to identify these lesions to clarify their nature and biologic potential...