M Zamecnik

Summary

Affiliation: Charles University
Country: Czech Republic

Publications

  1. ncbi request reprint Composite dermatofibrosarcoma protuberans-giant cell fibroblastoma recurring as Bednár tumor-giant cell fibroblastoma with mucoid lakes and with amputation neuroma
    M Zamecnik
    Sikl s Department of Pathology, Faculty Hospital, Charles University, Plzen, Czech Republic
    Cesk Patol 38:173-7. 2002
  2. ncbi request reprint Squamous cell carcinoma in situ involving mesonephric remnants of the uterine cervix
    M Zamecnik
    Sikl s Department of Pathology, Faculty Hospital, Charles University, Pilsen, Czech Republic
    Cesk Patol 40:109-11. 2004
  3. 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
  4. ncbi request reprint Gastrointestinal stromal tumor (GIST) with glandular component. A report of an unusual tumor resembling adenosarcoma
    M Zamecnik
    Sikl s Department of Pathology, Faculty Hospital, Charles University, Pilsen, Czech Republic
    Cesk Patol 41:150-6. 2005
  5. ncbi request reprint Uterine tumor resembling ovarian sex cord tumor (UTROSCT). Report of case suggesting neoplastic origin of intratumoral myoid cells
    M Zamecnik
    Sikl s Department of Pathology, Faculty Hospital, Charles University, Pilsen, Czech Republic
    Cesk Patol 42:145-9. 2006
  6. ncbi request reprint Angiomatous spindle cell lipoma: Report of three cases with immunohistochemical and ultrastructural study and reappraisal of former 'pseudoangiomatous' variant
    Michal Zamecnik
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Pilsen, Czech Republic
    Pathol Int 57:26-31. 2007
  7. ncbi request reprint Retroperitoneal schwannoma with features of gastrointestinal schwannoma. A case report
    M Zamecnik
    Sikl s Department of Pathology, Faculty Hospital, Charles University, Pilsen, Czech Republic
    Cesk Patol 39:36-8. 2003
  8. ncbi request reprint [Mesenchymal tumors of the ovary and uterine corpus. Selected review]
    M Zamecnik
    Bioptická laborator s r o, Plzen, Česká Republika
    Cesk Patol 43:121-34. 2007
  9. 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
  10. ncbi request reprint Perineurial cells and nerve axons in gastrointestinal schwannomas: a similarity with neurofibromas. An immunohistochemical study of eight cases
    M Zamecnik
    Sikl s Department of Pathology, Charles University, Pilsen, Czech Republic
    Cesk Patol 40:150-3. 2004

Detail Information

Publications45

  1. ncbi request reprint Composite dermatofibrosarcoma protuberans-giant cell fibroblastoma recurring as Bednár tumor-giant cell fibroblastoma with mucoid lakes and with amputation neuroma
    M Zamecnik
    Sikl s Department of Pathology, Faculty Hospital, Charles University, Plzen, Czech Republic
    Cesk Patol 38:173-7. 2002
    ....
  2. ncbi request reprint Squamous cell carcinoma in situ involving mesonephric remnants of the uterine cervix
    M Zamecnik
    Sikl s Department of Pathology, Faculty Hospital, Charles University, Pilsen, Czech Republic
    Cesk Patol 40:109-11. 2004
    ..The lesion strongly simulated invasive carcinomas, such as adenosquamous carcinoma and adenoid basal carcinoma (epithelioma) of the cervix...
  3. 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...
  4. ncbi request reprint Gastrointestinal stromal tumor (GIST) with glandular component. A report of an unusual tumor resembling adenosarcoma
    M Zamecnik
    Sikl s Department of Pathology, Faculty Hospital, Charles University, Pilsen, Czech Republic
    Cesk Patol 41:150-6. 2005
    ..Therefore, a collision of GIST and gastritis cystica profunda is suggested in the histogenesis of the lesion...
  5. ncbi request reprint Uterine tumor resembling ovarian sex cord tumor (UTROSCT). Report of case suggesting neoplastic origin of intratumoral myoid cells
    M Zamecnik
    Sikl s Department of Pathology, Faculty Hospital, Charles University, Pilsen, Czech Republic
    Cesk Patol 42:145-9. 2006
    ..It further expands the spectrum of possible differentiations in this polyphenotypic neoplasm...
  6. ncbi request reprint Angiomatous spindle cell lipoma: Report of three cases with immunohistochemical and ultrastructural study and reappraisal of former 'pseudoangiomatous' variant
    Michal Zamecnik
    Sikl s Department of Pathology, Charles University, Medical Faculty Hospital, Pilsen, Czech Republic
    Pathol Int 57:26-31. 2007
    ..Ultrastructural study confirmed the endothelial nature of these cells. The results indicate that pseudoangiomatous SCL is truly angiomatous and should be termed as such. It could represent a sex steroid hormone-dependent lesion...
  7. ncbi request reprint Retroperitoneal schwannoma with features of gastrointestinal schwannoma. A case report
    M Zamecnik
    Sikl s Department of Pathology, Faculty Hospital, Charles University, Pilsen, Czech Republic
    Cesk Patol 39:36-8. 2003
    ..The authors discuss a phenotypical similarity of the lesion with GI schwannoma as well as the possible existence of GI-type schwannoma outside the tubal GI tract...
  8. ncbi request reprint [Mesenchymal tumors of the ovary and uterine corpus. Selected review]
    M Zamecnik
    Bioptická laborator s r o, Plzen, Česká Republika
    Cesk Patol 43:121-34. 2007
    ..Group of tumors of specialized gonadal stroma is not discussed as it represents particular area and thus requires a separated review article...
  9. 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...
  10. ncbi request reprint Perineurial cells and nerve axons in gastrointestinal schwannomas: a similarity with neurofibromas. An immunohistochemical study of eight cases
    M Zamecnik
    Sikl s Department of Pathology, Charles University, Pilsen, Czech Republic
    Cesk Patol 40:150-3. 2004
    ..In surgical pathology practice, a finding of intratumoral axons and positivity for claudin-1 and especially for EMA should not preclude diagnosis of GIS...
  11. ncbi request reprint Calcifying sclerosing tumor of the ovary: a late stage of sclerosing stromal tumor?
    M Zamecnik
    Sikl s Department of Pathology, Faculty Hospital, Charles University, Pilsen, Czech Republic
    Cesk Patol 38:121-4. 2002
    ..The tumor cells were positive for alpha-inhibin, CD99, actin, and negative for desmin, S100 protein, and epithelial markers. This type of ovarian stromal tumor may represent a calcifying stage of SST...
  12. doi request reprint Krukenberg tumor with yolk sac tumor differentiation
    Michal Zamecnik
    Sikl s Department of Pathology, Charles University
    Int J Gynecol Pathol 27:223-8. 2008
    ..The case represents further example of the somatic cell-derived tumor with focal germ cell-type differentiation and the first report of YST differentiation in Krukenberg tumor...
  13. ncbi request reprint EMA+ cells in dermatofibrosarcoma protuberans. A study of 11 tumors suggesting perineurial cell differentiation
    M Zamecnik
    Sikl s Department of Pathology, Faculty Hospital, Charles University, Pilsen, Czech Republic
    Cesk Patol 38:55-62. 2002
    ..The knowledge of occasional EMA positivity in DFSP is needed for a differential diagnosis between DFSP and other EMA+ soft tissue lesions...
  14. ncbi request reprint Fibrosarcomatous dermatofibrosarcoma protuberans with giant rosettes
    M Zamecnik
    Sikl s Department of Pathology, Faculty Hospital, Charles University, Pilsen, Czech Republic
    Am J Dermatopathol 23:41-5. 2001
    ..The presence of giant rosettes in fibrosarcomatous areas of dermatofibrosarcoma protuberans suggests a possible histogenetic relationship between fibrosarcomatous areas of DFSP and hyalinizing spindle cell tumor with giant rosettes...
  15. ncbi request reprint Giant cell fibroblastoma in a 62-year-old patient. A case report
    M Zamecnik
    Bioptická laborator s r o, Plzen, Czech Republic
    Cesk Patol 44:75-8. 2008
    ..This association was suggestive of emperipolesis. The unusual clinicopathologic features caused some diagnostic difficulty...
  16. 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...
  17. 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...
  18. ncbi request reprint Autoimmune gastritis. A clinicopathologic study of 25 cases
    A Chlumska
    Sikl s Department of Pathology, Faculty Hospital, Charles University, Pilsen, Czech Republic
    Cesk Patol 41:137-42. 2005
    ....
  19. 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)...
  20. 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...
  21. 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...
  22. ncbi request reprint Histologic findings after sodium phosphate bowel preparation for colonoscopy. Diagnostic pitfalls of colonoscopic biopsies
    A Chlumska
    Sikl s Department of Pathology, Faculty Hospital of Charles University, Pilsen, Czech Republic
    Cesk Patol 46:37-41. 2010
    ..Our results are similar to those previously described in other studies of colonic changes after the NaP application. It reflects probably a similarity in composition of used NaP solutions...
  23. ncbi request reprint Microglandular adenocarcinoma of the uterus mimicking microglandular cervical hyperplasia
    Michal Zamecnik
    Sikl s Department of Pathology, Faculty Hospital, Charles University, Pilsen, Czech Republic
    Ann Diagn Pathol 7:180-6. 2003
    ..Our case shows the difficulties in the diagnosis of this lesion and confirms a low aggressiveness that was observed in all 10 cases described to date...
  24. ncbi request reprint Dedifferentiated mixed stromal-smooth muscle tumor of the uterus. Report of a case
    M Zamecnik
    Department of Pathology, Faculty Hospital, Charles University, Pilsen, Czech Republic
    Cesk Patol 42:81-5. 2006
    ..It shows that extensive sampling/histological search may be needed for recognition of a minor component in a dedifferentiated tumor...
  25. ncbi request reprint Histopathologic changes in gastroesophageal reflux disease. A study of 126 bioptic and autoptic cases
    A Chlumska
    Sikl s Department of Pathology, Faculty Hospital, Charles University, Pilsen, Czech Republic
    Cesk Patol 43:142-7. 2007
    ..In the GEJ of 5 autopsy cases of children with spastic quadriplegia (age range 7-10 years) CM in a short segment (0.5-3 mm in length), probably of metaplastic origin was identified, showing chronic inactive inflammation...
  26. 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...
  27. ncbi request reprint Sessile serrated adenomas of the large bowel. Clinicopathologic and immunohistochemical study including comparison with common hyperplastic polyps and adenomas
    A Chlumska
    Sikl s Department of Pathology, Medical Faculty Hospital, Charles University, Pilsen, Czech Republic
    Cesk Patol 42:133-8. 2006
    ..Expression of p53 in SSAs was minimal. SSAs have malignant potential comparable with conventional adenomas and for this reason they must be distinguished from HPs...
  28. 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...
  29. 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...
  30. ncbi request reprint Adenoid basal epithelioma of the uterine cervix in 21-year-old patient. Report of a case with histologic and immunohistochemical study
    M Zamecnik
    Sikl s Department of Pathology, Medical Faculty Hospital, Charles University, Pilsen, Czech Republic
    Cesk Patol 41:157-62. 2005
    ..It further indicates, along with finding of associated CIN, a role of oncogenic HPV in pathogenesis of ABE...
  31. 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...
  32. ncbi request reprint Ovarian carcinoma of hypercalcemic type: myoid features and lack of estrogen and progesterone receptors
    Michal Zamecnik
    Virchows Arch 442:186-7. 2003
  33. ncbi request reprint Perineurioma versus fibroblastic polyp of the colon
    Michal Zamecnik
    Am J Surg Pathol 30:1337-9. 2006
  34. ncbi request reprint Correspondence re: Mikami Y, Hata S, Kiyokawa T, Manabe T. Expression of CD10 in malignant mullerian mixed tumors and adenosarcomas: an immunohistochemical study. Mod pathol 2002;15:923-30
    Michal Zamecnik
    Mod Pathol 16:618-9; author reply 619. 2003
  35. ncbi request reprint Relationship between cutaneous epithelioid angiomatous nodule and epithelioid hemangioma
    Michal Zamecnik
    Am J Dermatopathol 26:351-2. 2004
  36. ncbi request reprint Perineurioma with adipocytes (lipomatous perineurioma)
    Michal Zamecnik
    Am J Dermatopathol 25:171-3; author reply 173-4. 2003
  37. ncbi request reprint Onionskin-like pattern in inflammatory lesions of the gastrointestinal tract
    Michal Zamecnik
    Hum Pathol 33:1241; author reply 1241-2. 2002
  38. ncbi request reprint Visceral carcinoma with shadow cell differentiation can mimic pilomatrix carcinoma
    Michal Zamecnik
    Am J Dermatopathol 24:446; author reply 446-7. 2002
  39. ncbi request reprint Hormone receptors in microglandular hyperplasia of the uterine cervix
    Michal Zamecnik
    Int J Gynecol Pathol 21:424-5. 2002
  40. ncbi request reprint Possible precursor of HNPCC-related endometrioid carcinoma of the uterus
    Michal Zamecnik
    Am J Surg Pathol 28:1667; author reply 1667. 2004
  41. ncbi request reprint Prostate gland differentiation in females
    Michal Zamecnik
    Hum Pathol 34:729-30. 2003
  42. ncbi request reprint Mullerianosis of the urinary bladder: report of a case with suggested metaplastic origin
    Jan Koren
    Department of Pathology, Roosevelt s Faculty Hospital, General Svoboda s Square No 1, 975 17 Banska Bystrica, Slovak Republic
    Virchows Arch 449:268-71. 2006
    ..The histologic and immunohistochemical findings in the present case support strongly the metaplastic origin of mullerianosis...
  43. ncbi request reprint Nemaline myopathy in neck muscle after radiotherapy
    Michal Zamecnik
    Hum Pathol 35:642-3. 2004
  44. ncbi request reprint Fibroblastic polyp of the colon shares features with Vanek tumor
    Michal Zamecnik
    Am J Surg Pathol 28:1397-8; author reply 1398. 2004
  45. ncbi request reprint Meningothelial-like nodules: additional pattern of myoid differentiation in endometrial stromal tumors
    Michal Zamecnik
    Pathol Int 57:632-3. 2007