Alberto G Ayala

Summary

Affiliation: Texas Medical Center
Country: USA

Publications

  1. ncbi Tribute to James J. Butler, MD
    Alberto G Ayala
    Department of Pathology, Methodist Hospital, Houston, TX 77030, USA
    Am J Surg Pathol 29:115-6. 2005
  2. doi Diagnostic utility of P504S/p63 cocktail, prostate-specific antigen, and prostatic acid phosphatase in verifying prostatic carcinoma involvement in seminal vesicles: a study of 57 cases of radical prostatectomy specimens of pathologic stage pT3b
    Aaron M Harvey
    Department of Pathology, The Methodist Hospital, Weill Medical College of Cornell University, Houston, Texas, USA
    Arch Pathol Lab Med 134:983-8. 2010
  3. ncbi Prostatic intraepithelial neoplasia: recent advances
    Alberto G Ayala
    Department of Pathology, The Methodist Hospital, Weill Cornell University School of Medicine, 6565 Fannin St, Room 227 Main Building, Houston, TX 77030, USA
    Arch Pathol Lab Med 131:1257-66. 2007
  4. doi Adenocarcinoma in ectopic prostatic tissue at dome of bladder: a case report of a patient with urothelial carcinoma of the bladder and adenocarcinoma of the prostate
    Jerad M Gardner
    Department of Pathology, The Methodist Hospital, Houston, Texas, USA
    Arch Pathol Lab Med 134:1271-5. 2010
  5. doi Reappraisal of T3N0/NxM0 renal cell carcinoma: significance of extent of fat invasion, renal vein invasion, and adrenal invasion
    Soo Jin Jung
    Department of Pathology, The Methodist Hospital and Research Institute, and Weill Medical College of Cornell University, Houston, TX 77030, USA
    Hum Pathol 39:1689-94. 2008
  6. doi Intraprostatic adipose tissue: a study of 427 whole mount radical prostatectomy specimens
    Tipu Nazeer
    Department of Pathology, Albany Medical College, Albany, NY 12208, USA
    Hum Pathol 40:538-41. 2009
  7. doi Minimal or no residual prostatic adenocarcinoma on radical prostatectomy: a 5-year experience with "vanishing carcinoma phenomenon"
    Ognjen Kosarac
    Department of Pathology, The Methodist Hospital, 6565 Fannin St, Houston, TX 77030, USA
    Arch Pathol Lab Med 135:1466-70. 2011
  8. doi Virtual-karyotyping with SNP microarrays in morphologically challenging renal cell neoplasms: a practical and useful diagnostic modality
    Hyun Jung Kim
    The Methodist Hospital Research Institute, Houston, TX, USA
    Am J Surg Pathol 33:1276-86. 2009
  9. doi Flat pattern of nephrogenic adenoma: previously unrecognized pattern unveiled using PAX2 and PAX8 immunohistochemistry
    Sergio Piña-Oviedo
    Department of Pathology and Genomic Medicine, The Methodist Hospital, Houston, TX 77030, USA
    Mod Pathol 26:792-8. 2013
  10. doi Extranodal rosai-dorfman disease associated with increased numbers of immunoglobulin g4 plasma cells involving the colon: case report with literature review
    Daniel B Wimmer
    Departments of Pathology and Genomic Medicine, The Methodist Hospital, Weill Medical College of Cornell University, Houston, Texas 77030, USA
    Arch Pathol Lab Med 137:999-1004. 2013

Detail Information

Publications70

  1. ncbi Tribute to James J. Butler, MD
    Alberto G Ayala
    Department of Pathology, Methodist Hospital, Houston, TX 77030, USA
    Am J Surg Pathol 29:115-6. 2005
  2. doi Diagnostic utility of P504S/p63 cocktail, prostate-specific antigen, and prostatic acid phosphatase in verifying prostatic carcinoma involvement in seminal vesicles: a study of 57 cases of radical prostatectomy specimens of pathologic stage pT3b
    Aaron M Harvey
    Department of Pathology, The Methodist Hospital, Weill Medical College of Cornell University, Houston, Texas, USA
    Arch Pathol Lab Med 134:983-8. 2010
    ..p63 has positive immunoreactivity in basal cell nuclei of benign prostatic glands. Many researchers use a combination of these antibodies and their different colors...
  3. ncbi Prostatic intraepithelial neoplasia: recent advances
    Alberto G Ayala
    Department of Pathology, The Methodist Hospital, Weill Cornell University School of Medicine, 6565 Fannin St, Room 227 Main Building, Houston, TX 77030, USA
    Arch Pathol Lab Med 131:1257-66. 2007
    ..There have been 2 putative prostatic cancer precursors, prostatic intraepithelial neoplasia (PIN) and atypical adenomatous hyperplasia (adenosis), but PIN remains as a well-known precancerous condition...
  4. doi Adenocarcinoma in ectopic prostatic tissue at dome of bladder: a case report of a patient with urothelial carcinoma of the bladder and adenocarcinoma of the prostate
    Jerad M Gardner
    Department of Pathology, The Methodist Hospital, Houston, Texas, USA
    Arch Pathol Lab Med 134:1271-5. 2010
    ..We report the first case of adenocarcinoma arising in ectopic prostatic tissue within the bladder...
  5. doi Reappraisal of T3N0/NxM0 renal cell carcinoma: significance of extent of fat invasion, renal vein invasion, and adrenal invasion
    Soo Jin Jung
    Department of Pathology, The Methodist Hospital and Research Institute, and Weill Medical College of Cornell University, Houston, TX 77030, USA
    Hum Pathol 39:1689-94. 2008
    ..In contrast, tumors with adrenal gland invasion carry a far worse prognosis than perinephric fat or renal vein invasion and thus supporting a separate stage category...
  6. doi Intraprostatic adipose tissue: a study of 427 whole mount radical prostatectomy specimens
    Tipu Nazeer
    Department of Pathology, Albany Medical College, Albany, NY 12208, USA
    Hum Pathol 40:538-41. 2009
    ..The small size of foci of adipose tissue and its admixture with benign glands are useful morphologic clues in distinguishing it from extraprostatic fat...
  7. doi Minimal or no residual prostatic adenocarcinoma on radical prostatectomy: a 5-year experience with "vanishing carcinoma phenomenon"
    Ognjen Kosarac
    Department of Pathology, The Methodist Hospital, 6565 Fannin St, Houston, TX 77030, USA
    Arch Pathol Lab Med 135:1466-70. 2011
    ..Vanishing carcinoma phenomenon" (VC) has been defined as the finding of minute or no cancer on radical prostatectomy specimens after a positive biopsy...
  8. doi Virtual-karyotyping with SNP microarrays in morphologically challenging renal cell neoplasms: a practical and useful diagnostic modality
    Hyun Jung Kim
    The Methodist Hospital Research Institute, Houston, TX, USA
    Am J Surg Pathol 33:1276-86. 2009
    ..We consider that this technique is a feasible and practical approach for resolving difficult-to-diagnose renal tumors in clinical practice...
  9. doi Flat pattern of nephrogenic adenoma: previously unrecognized pattern unveiled using PAX2 and PAX8 immunohistochemistry
    Sergio Piña-Oviedo
    Department of Pathology and Genomic Medicine, The Methodist Hospital, Houston, TX 77030, USA
    Mod Pathol 26:792-8. 2013
    ..Immunostains for PAX2 and PAX8 are useful in the detection of nephrogenic adenomas and particularly unveil those nephrogenic adenomas with flat pattern...
  10. doi Extranodal rosai-dorfman disease associated with increased numbers of immunoglobulin g4 plasma cells involving the colon: case report with literature review
    Daniel B Wimmer
    Departments of Pathology and Genomic Medicine, The Methodist Hospital, Weill Medical College of Cornell University, Houston, Texas 77030, USA
    Arch Pathol Lab Med 137:999-1004. 2013
    ..Reviews of colonic Rosai-Dorfman disease and IgG4-related sclerosis are presented to heighten awareness of this rare presentation. ..
  11. doi Clinicopathologic and immunohistochemical characteristics of adult primary cardiac angiosarcomas: analysis of 10 cases
    Yimin Ge
    Department of Pathology, The Methodist Hospital and DeBakey Heart Center, Weill Medical College of Cornell University, Houston, TX 77030, USA
    Ann Diagn Pathol 15:262-7. 2011
    ..Surgical resection with adjuvant chemotherapy is currently the preferred treatment, and survival time appears to be inversely correlated with the tumor size and degree of regional tumor extension at the time of surgery...
  12. ncbi Mucinous tubular and spindle cell carcinoma of kidney is probably a variant of papillary renal cell carcinoma with spindle cell features
    Steven S Shen
    Department of Pathology, The Methodist Hospital and Research Institute, Houston, TX 77030, USA
    Ann Diagn Pathol 11:13-21. 2007
    ....
  13. doi Sarcomatoid chromophobe renal cell carcinoma with heterologous sarcomatoid elements. A case report and review of the literature
    Gabriela Quiroga-Garza
    Department of Pathology, The Methodist Hospital, Weill Medical College of Cornell University, Houston, Texas, USA
    Arch Pathol Lab Med 133:1857-60. 2009
    ..As in other sarcomatoid RCCs, this tumor behaves aggressively, with frequent distant metastases. It is important to recognize the sarcomatoid component in these tumors because of its consequential adverse prognosis for the patient...
  14. doi Lymphovascular invasion in micropapillary urothelial carcinoma: a study of 22 cases
    Elizabeth McQuitty
    Department of Pathology and Genomic Medicine, The Methodist Hospital, 6565 Fannin Street, Houston, TX 77030, USA
    Arch Pathol Lab Med 136:635-9. 2012
    ..Micropapillary urothelial carcinoma (MPUC) is a known aggressive variant of urothelial carcinoma. However, the reasons for its aggressiveness remain unclear...
  15. doi Mixed epithelial and stromal tumor of kidney with malignant transformation: report of two cases and review of literature
    Soo Jin Jung
    Department of Pathology, Weill Medical College of Cornell University, The Methodist Hospital, Houston, TX 77030, USA
    Hum Pathol 39:463-8. 2008
    ..We report 2 additional cases of sarcomatous transformation in mixed epithelial and stromal tumor of the kidney...
  16. ncbi Concurrent angiomyolipoma and two oncocytomas in the same kidney
    Armita Bahrami
    Department of Pathology, Baylor College of Medicine, Houston, TX 77030, USA
    Ann Diagn Pathol 11:132-6. 2007
    ..Whether there is a pathogenetic association between AML and OC needs to be further investigated...
  17. doi Muscularis mucosae versus muscularis propria in gallbladder, cystic duct, and common bile duct: smoothelin and desmin immunohistochemical study
    Kirtee Raparia
    Department of Pathology, The Methodist Hospital, Weill Medical College, Cornell University, Houston, TX 77030, USA
    Ann Diagn Pathol 14:408-12. 2010
    ..Differentiating these anatomical muscle structures may be important for the pathologic staging of carcinoma in these organs...
  18. pmc Synchronous clear cell renal cell carcinoma and tubulocystic carcinoma: genetic evidence of independent ontogenesis and implications of chromosomal imbalances in tumor progression
    Gabriela Quiroga-Garza
    Department of Pathology and Genomic Medicine, The Methodist Hospital, Houston, Texas 77030, USA
    Diagn Pathol 7:21. 2012
    ..Second, the presence of a ccRCC with varying degrees of differentiation exemplifies the sequence of chromosomal imbalances acquired during tumor progression...
  19. doi Amyloidosis of seminal vesicles and ejaculatory ducts: a histologic analysis of 21 cases among 447 prostatectomy specimens
    Keun Hong Kee
    Department of Pathology, The Methodist Hospital and Weill Medical College of Cornell University, Houston, TX 77030, USA
    Ann Diagn Pathol 12:235-8. 2008
    ..Amyloidosis develops subepithelially spreading to include the wall of these organs and appears to be related to advanced age. The incidence of amyloidosis of the ejaculatory system in Korean patients was higher than in US patients...
  20. doi Expression of master regulatory genes controlling skeletal development in benign cartilage and bone forming tumors
    Jane Y Dancer
    Department of Pathology, The University of Texas M D Anderson Cancer Center, Houston, TX 77030, USA
    Hum Pathol 41:1788-93. 2010
    ..Strong nuclear expression of Sox9 was detected in all chondroblastomas, whereas nearly half of the osteoblastomas showed focal weak cytoplasmic expression of Sox9...
  21. pmc Inflammatory aortic aneurysm: possible manifestation of IgG4-related sclerosing disease
    Kirtee Raparia
    Department of Pathology, Northwestern University Chicago, IL, USA
    Int J Clin Exp Pathol 6:469-75. 2013
    ..The high number of positive plasma cells, >50 plasma cells/one 40X field is more specific for the IAA than for AAA; however, lesser number can be seen in both IAA and AAA patients...
  22. doi Plasmacytoid transitional cell carcinoma of urinary bladder: a clinicopathologic study of 9 cases
    Jae Y Ro
    Department of Pathology, The Methodist Hospital and Weill Medical College of Cornell University, Houston, TX 77030, USA
    Am J Surg Pathol 32:752-7. 2008
    ..Morphologic recognition and distinction from other plasmacytoid malignant neoplasms is critical for its clinical management and immunohistochemical studies may be required for differential diagnosis...
  23. ncbi Recently described and emphasized entities of renal neoplasms
    Steven S Shen
    Department of Pathology, The Methodist Hospital, 6565 Fannin St, Houston, TX 77030, USA
    Arch Pathol Lab Med 131:1234-43. 2007
    ..In addition, rare nonepithelial renal neoplasms are identified and characterized. Familiarity with these entities will help make the most accurate diagnosis and guide the treatment and follow-up of patients with renal neoplasm...
  24. doi Dedifferentiated liposarcoma with peculiar meningothelial-like whorling and metaplastic bone formation
    Joon Seon Song
    Department of Pathology, Weill Medical College of Cornell University, The Methodist Hospital, Houston, TX 77030, USA
    Ann Diagn Pathol 13:278-84. 2009
    ..To our knowledge, case 1 represents the first report of DDLMB with paraganglioma-like pattern. A brief literature review was made with focus on the morphologic variations of DDLMB...
  25. doi Myxoid adrenal cortical neoplasms
    Kirtee Raparia
    Department of Pathology, The Methodist Hospital, Weill Medical College of Cornell University, Houston, TX 77030, USA
    Ann Diagn Pathol 12:344-8. 2008
    ..The usual clinical and histological features can be applied to classify the lesions as benign, borderline tumor, or malignant. In our series, there was no case with frank malignant tumor...
  26. ncbi An overview of testicular germ cell tumors
    Armita Bahrami
    Department of Pathology, Baylor College of Medicine, Houston, TX, USA
    Arch Pathol Lab Med 131:1267-80. 2007
    ..More than 90% of testicular neoplasms originate from germ cells. Testicular germ cell tumors (GCTs) are a heterogeneous group of neoplasms with diverse histopathology and clinical behavior...
  27. ncbi Primary osteosarcoma of the breast: report of 2 cases
    Armita Bahrami
    Department of Pathology, Baylor College of Medicine, Houston, TX, USA
    Arch Pathol Lab Med 131:792-5. 2007
    ....
  28. ncbi Muscularis mucosae of the urinary bladder revisited with emphasis on its hyperplastic patterns: a study of a large series of cystectomy specimens
    Funda Vakar-Lopez
    Department of Pathology, The University of Texas M D Anderson Cancer Center, Houston, TX 77030, USA
    Ann Diagn Pathol 11:395-401. 2007
    ..Pathologists should be aware of its occurrence and morphologic patterns to accurately assess the depth of invasion of bladder tumors and avoid misinterpreting HMM as the muscularis propria...
  29. doi Thyrolipoma and thyrolipomatosis: 5 case reports and historical review of the literature
    Yimin Ge
    Department of Pathology, Weill Medical College of Cornell University, The Methodist Hospital, Houston, TX 77030, USA
    Ann Diagn Pathol 13:384-9. 2009
    ..In summary, we are reporting 5 rare cases of thyrolipoma and thyrolipomatosis with distinct histologic patterns. Previously reported cases of thyrolipomatosis were reviewed and analyzed with the current cases...
  30. doi Calcifications in prostate and ejaculatory system: a study on 298 consecutive whole mount sections of prostate from radical prostatectomy or cystoprostatectomy specimens
    Jae Hee Suh
    Department of Pathology, The Methodist Hospital, Houston, TX 77030, USA
    Ann Diagn Pathol 12:165-70. 2008
    ..Also, ejaculatory system calcifications are not an infrequent finding...
  31. doi Clinicopathologic study of 24 patients with primary cardiac sarcomas: a 10-year single institution experience
    Chul Hwan Kim
    Department of Pathology, Weill Medical College of Cornell University, Methodist Hospital, Houston, TX 77030, USA
    Hum Pathol 39:933-8. 2008
    ..The survival of cardiac sarcomas is poor...
  32. doi Clear cell papillary renal cell carcinoma is the fourth most common histologic type of renal cell carcinoma in 290 consecutive nephrectomies for renal cell carcinoma
    Haijun Zhou
    Department of Pathology and Genomic Medicine, Houston Methodist Hospital, Weill Cornell Medical College of Cornell University, Houston, TX 77030, USA Department of Pathology and Laboratory Medicine, Weill Cornell Medical College of Cornell University, Houston, TX 77030, USA
    Hum Pathol 45:59-64. 2014
    ..In equivocal cases, immunohistochemical stains with a small panel of markers (cytokeratin 7, α-methylacyl-CoA racemase, RCC marker, or CD10) are warranted in making the correct histologic classification. ..
  33. doi Use of frozen section in genitourinary pathology
    Steven S Shen
    Department of Pathology and Genomic Medicine, The Methodist Hospital, Houston, Texas 77030, USA
    Pathology 44:427-33. 2012
    ....
  34. doi Non-epiphyseal chondroblastoma arising in the iliac bone, and complicated by an aneurysmal bone cyst: a case report and review of the literature
    Jin Kim
    Department of Diagnostic Radiology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, TX 77030 4009, USA
    Skeletal Radiol 39:583-7. 2010
    ..A core biopsy of the lesion was performed. The histopathology revealed the lesion to be a chondroblastoma with secondary features of aneurysmal bone cyst. An en bloc surgical resection of the tumor was performed...
  35. ncbi Invasive micropapillary carcinoma of the breast metastatic to the urinary bladder and endometrium: diagnostic pitfalls and review of the literature of tumors with micropapillary features
    Preetha Ramalingam
    Department of Pathology, The University of Texas M D Anderson Cancer Center, Houston 77030, USA
    Ann Diagn Pathol 7:112-9. 2003
    ..Carcinomas with micropapillary features have a propensity for lymph node metastases and advanced stage disease. This article discusses the differential diagnosis of carcinomas with micropapillary features in different organs...
  36. ncbi E-cadherin immunohistochemical analysis of histiocytoid carcinoma of the breast
    Deepali Gupta
    Department of Pathology and Laboratory Medicine, The University of Texas Health Science Center, Houston, TX, USA
    Ann Diagn Pathol 6:141-7. 2002
    ..Moreover, the lack of consistent morphologic features, a specific clinical profile, and a distinct immunohistochemical pattern lead us to hypothesize that histiocytoid carcinoma is not a special type of breast cancer...
  37. doi Raymond's Paragraph System: an alternative format for the organization of gross pathology reports and its implementation in an academic teaching hospital
    Annette S Dayton
    Department of Pathology, The Methodist Hospital, 6565 Fannin Street, Houston, TX 77030, USA
    Arch Pathol Lab Med 133:298-302. 2009
    ..However, little literature is available that highlights organization of the specimen gross descriptions...
  38. ncbi Histologic variants of infiltrating urothelial carcinoma
    Qihui J Zhai
    Department of Pathology, The Methodist Hospital, Weill Medical College of Cornell University, Houston, TX 77030, USA
    Arch Pathol Lab Med 131:1244-56. 2007
    ..The spectrum of urothelial carcinoma is broad, and variant morphologies are being reported continually. Many of these variants have been extensively documented and even established as subclasses of urothelial carcinoma...
  39. ncbi Pseudosarcomatous and sarcomatous proliferations of the bladder
    Philippe E Spiess
    Department of Urologic Oncology, The University of Texas M D Anderson Cancer Center, Houston, TX 77030, USA
    Hum Pathol 38:753-61. 2007
    ..Pseudosarcomatous fibromyxoid tumor and PSN have unique clinical and pathologic features that allow their distinction from primary bladder sarcoma and sarcomatoid carcinoma...
  40. ncbi Characterization of the myxoid variant of hibernoma
    Lucian R Chirieac
    Department of Pathology, The University of Texas M D Anderson Cancer Center, Houston, TX 77030, USA
    Ann Diagn Pathol 10:104-6. 2006
    ..This report highlights recent advances that may help confirm the diagnosis and explain the differential diagnosis of this rare tumor. This is one of only a few cases of a myxoid variant of hibernoma reported in the literature...
  41. ncbi Adenomatoid tumor of the adrenal gland: a clinicopathologic study of 3 cases
    Karuna Garg
    Department of Pathology, Health Science Center, University of Texas, Houston, TX 77030 4009, USA
    Ann Diagn Pathol 9:11-5. 2005
    ..In our experience, the key to the diagnosis of this rare benign tumor is to consider adenomatoid tumor in the differential diagnosis of any glandular tumor occurring in the adrenal gland...
  42. doi Tumor-to-tumor metastasis with endometrial carcinoma metastatic to squamous cell carcinoma of vulva: the first reported case
    Jana L Wimmer
    From the Departments of Pathology and Genomic Medicine Drs Wimmer, Coffey, Ayala, and Ro and Obstetrics and Gynecology Dr Kaplan, The Methodist Hospital, Houston, Texas and the Departments of Pathology and Laboratory Medicine Drs Coffey, Ayala, and Ro, and Obstetrics and Gynecology Dr Kaplan, Weill Cornell Medical College of Cornell University, New York, New York
    Arch Pathol Lab Med 137:1825-8. 2013
    ..This unique case highlights the importance of awareness of the phenomenon, and expands the current spectrum of tumor-to-tumor metastases. ..
  43. doi Solid-pseudopapillary neoplasm of pancreas with long delayed liver metastasis
    Pablo Gomez
    Department of Pathology, Weill Medical College of Cornell University, The Methodist Hospital, Houston, TX 77030, USA
    Ann Diagn Pathol 16:380-4. 2012
    ..Solid-pseudopapillary neoplasm of the pancreas can present with metastases many years after resection of the primary tumor. Long-term follow-up is warranted, given the possibility of late metastasis...
  44. ncbi Update: prostate cancer early detection clinical practice guidelines
    Alberto G Ayala
    Department of Pathology, The University of Texas M D Anderson Cancer Center, Houston, TX 77030, USA
    J Natl Compr Canc Netw 1:S57-60. 2003
    ..A diagnosis of atypical glands suggestive of malignancy indicates that a rebiopsy should be performed because the chances of finding an invasive carcinoma are high...
  45. ncbi Can the number of cores with high-grade prostate intraepithelial neoplasia predict cancer in men who undergo repeat biopsy?
    Yoshio Naya
    Department of Urology, University of Texas M D Anderson Cancer Center, Houston, Texas 77030, USA
    Urology 63:503-8. 2004
    ....
  46. ncbi Fine needle aspiration cytology of a low grade myxoid renal epithelial neoplasm: a case report
    Wei Sun
    Department of Pathology, The University of Texas M D Anderson Cancer Center, Houston 77030, USA
    Acta Cytol 49:525-9. 2005
    ..This report describes the cytologic features of this tumor as determined by fine needle aspiration (FNA) biopsy...
  47. doi Eosinophilic angiocentric fibrosis of the sinonasal tract
    Ognjen Kosarac
    Department of Pathology, The Methodist Hospital, Houston, TX 77030, USA
    Ann Diagn Pathol 12:267-70. 2008
    ..The 19-year-old woman is the youngest patient with EAF ever described. The patients presented with a nasal cavity mass, face pain, or nasal obstructive symptoms of long duration...
  48. ncbi Adenocarcinomas of the gastrointestinal tract with prominent rhabdoid features
    Mojghan Amrikachi
    Department of Pathology, Baylor College of Medicine, Houston, TX 77030 4009, USA
    Ann Diagn Pathol 6:357-63. 2002
    ..Recognition of the rhabdoid phenotype in gastrointestinal tract neoplasms is important because this feature is associated with poor prognosis and unresponsiveness to conventional therapy...
  49. ncbi Sox9, a master regulator of chondrogenesis, distinguishes mesenchymal chondrosarcoma from other small blue round cell tumors
    Bret Michael Wehrli
    Department of Pathology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd, Box 085, Houston, TX 77030, USA
    Hum Pathol 34:263-9. 2003
    ..More important, Sox9 may serve as a useful tool in the differentiation of small cell malignancies...
  50. ncbi Micropapillary component in lung adenocarcinoma: a distinctive histologic feature with possible prognostic significance
    Mitual B Amin
    Department of Pathology, The University of Texas M D Anderson Cancer Center, Houston, Texas 77030, USA
    Am J Surg Pathol 26:358-64. 2002
    ..It is also important to recognize this component in evaluating a metastasis from an unknown primary site, as it should alert the pathologist to a possible primary in the lung in addition to breast, urinary bladder, and ovary...
  51. ncbi Thymic carcinoma with rhabdoid features
    Tushar H Toprani
    Department of Pathology, The University of Texas M D Anderson Cancer Center, Houston 77030, USA
    Ann Diagn Pathol 7:106-11. 2003
    ..He has since developed metastases to the pelvis and is alive with disease at 20 months of follow-up. To our knowledge, this is the first reported case of thymic carcinoma with rhabdoid features...
  52. ncbi Risk-adapted treatment for patients with clinical stage I nonseminomatous germ cell tumor of the testis
    Robert J Amato
    Scott Department of Urology, Baylor College of Medicine, Houston, Texas 77030, USA
    Urology 63:144-8; discussion 148-9. 2004
    ..To evaluate whether two courses of chemotherapy after orchiectomy in patients with clinical Stage I nonseminomatous germ cell testicular tumor at high risk of relapse will spare patients additional chemotherapy or surgery...
  53. ncbi Pulmonary epithelioid hemangioendothelioma with prominent signet ring cell features mimicking metastatic adenocarcinoma
    Elena N Hristova
    Department of Pathology, The University of Texas M D Anderson Cancer Center, Houston, TX 77030 4009, USA
    Ann Diagn Pathol 7:160-4. 2003
    ..This case clearly indicates the importance of recognizing the cytomorphologic and histologic spectrum of this entity to avoid misdiagnosing it as either primary or metastatic adenocarcinoma...
  54. ncbi Benign myoepithelial tumors of the breast have immunophenotypic characteristics similar to metaplastic matrix-producing and spindle cell carcinomas
    Nikolay K Popnikolov
    Division of Surgical Pathology, Department of Pathology, University of Texas Medical Branch, Galveston, USA
    Am J Clin Pathol 120:161-7. 2003
    ..The abnormal expression of oncogenes or antioncogenes, such as p53, may be more useful for distinguishing between those entities than the expression of the classic myoepithelial markers...
  55. ncbi Chromophobe renal cell carcinoma with sarcomatoid transformation
    Neil A Abrahams
    Department of Pathology, The University of Texas, MD Anderson Cancer Center, Houston, TX 77030, USA
    Ann Diagn Pathol 7:296-9. 2003
    ..This case report shows that chromophobe carcinoma can develop a sarcomatoid transformation with a high propensity for invasive growth and metastasis...
  56. ncbi Carcinoma of lung with rhabdoid features
    Pheroze Tamboli
    Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
    Hum Pathol 35:8-13. 2004
    ..We conclude that rhabdoid features can occur in a variety of lung tumors, including sarcomatoid carcinoma. Recognizing these lesions is important because of their possibly aggressive clinical course...
  57. ncbi Extranodal follicular dendritic cell sarcoma of the head and neck region: three new cases, with a review of the literature
    David A Biddle
    Department of Pathology, The University of Texas M D Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, TX 77030, USA
    Mod Pathol 15:50-8. 2002
    ..Correct characterization of this neoplasm is imperative given its potential for recurrence and metastasis...
  58. ncbi Breast carcinoma with choriocarcinomatous features
    Erika Resetkova
    Department of Pathology, University of Texas M D Anderson Cancer Center, Houston, TX, USA
    Ann Diagn Pathol 8:74-9. 2004
    ..Immunostaining for the beta subunit of human chorionic gonadotropin was localized mostly, but not entirely, to multinucleated syncytiotrophoblast-like giant cells within both tumors...
  59. ncbi Ewing sarcoma/peripheral primitive neuroectodermal tumor: adult abdominal tumors with an Ewing sarcoma gene rearrangement demonstrated by fluorescence in situ hybridization in paraffin sections
    Laura J Gardner
    Division of Hematopathology, Department of Pathology, St Louis University Health Sciences Center, St Louis, Missouri, USA
    Appl Immunohistochem Mol Morphol 12:160-5. 2004
    ..Thus, the usefulness of FISH demonstration of an EWS gene rearrangement with these specific probes in such unusual cases is supported and is demonstrated in paraffin-embedded tissue...
  60. ncbi Mucinous tubular and spindle cell carcinoma of the kidney with neuroendocrine differentiation: report of two cases
    Soo Jin Jung
    Department of Pathology, Inje University College of Medicine, Pusan Paik Hospital, Busan 614 725, Korea
    Am J Clin Pathol 125:99-104. 2006
    ..We present 2 additional cases of MTSCC showing typical morphologic features with neuroendocrine differentiation...
  61. ncbi Thyroid follicular carcinoma-like tumor of kidney: a case report with morphologic, immunohistochemical, and genetic analysis
    Soo Jin Jung
    Department of Pathology, Inje University College of Medicine, Busan, Korea
    Am J Surg Pathol 30:411-5. 2006
    ..Herein, we present a new case of thyroid follicular carcinoma-like tumor of the kidney with a chromosomal study and review of the literature...
  62. ncbi Synovial sarcoma of the kidney with rhabdoid features: report of three cases
    Sun Young Jun
    Department of Pathology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
    Am J Surg Pathol 28:634-7. 2004
    ..A subset of adult rhabdoid tumors may be a rhabdoid variant of synovial sarcoma, and molecular studies to detect SYT-SSX fusion transcripts are recommended for an accurate diagnosis...
  63. ncbi Triple synchronous neoplasms in one kidney: report of a case and review of the literature
    Sun Young Jun
    Department of Pathology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
    Ann Diagn Pathol 7:374-80. 2003
    ..This case is the first of its type reported in the literature...
  64. ncbi Juxtaglomerular cell tumor of kidney with CD34 and CD117 immunoreactivity: report of 5 cases
    Hyun Jung Kim
    Department of Pathology, Inje University, Sanggye Paik Hospital, Seoul, Korea
    Arch Pathol Lab Med 130:707-11. 2006
    ..Juxtaglomerular cell tumor is a rare renal neoplasm. Renin immunohistochemistry and electron microscopic documentation of rhomboid crystals are the primary methods of diagnosing this benign tumor...
  65. ncbi Juxtaglomerular cell tumor
    Chul Hwan Kim
    Am J Clin Pathol 117:986; author reply 986. 2002
  66. ncbi Dedifferentiated chondrosarcoma with a noncartilaginous component mimicking a conventional giant cell tumor of bone
    Eréndira G Estrada
    Department of Pathology, Instituto Nacional de Ortopedia, Mexico City, Mexico
    Ann Diagn Pathol 6:159-63. 2002
    ....
  67. ncbi Demyelinating pseudotumor
    Irma E Erana-Rojas
    Department of Pathology, Hospital San José Tec de Monterrey, Monterrey, Nuevo Leon, Mexico
    Ann Diagn Pathol 6:265-71. 2002
    ..This approach will minimize the chance of misdiagnosis and subsequent use of inappropriate and deleterious therapies...
  68. ncbi True hermaphroditism and mixed gonadal dysgenesis in young children: a clinicopathologic study of 10 cases
    Kyu Rae Kim
    Department of Pathology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
    Mod Pathol 15:1013-9. 2002
    ..Therefore, examination of all resected or biopsied tissue and the application of strict histological criteria are important...
  69. ncbi Lymphoepithelioma-like carcinoma of the breast: report of a case mimicking lymphoma
    Souzan Sanati
    The University of Texas Medical Branch, Galveston, TX 77030 4009, USA
    Ann Diagn Pathol 8:309-15. 2004
    ..In summary, lymphoepithelioma-like carcinoma of the breast is a tumor with a good prognosis that should be considered as a possible diagnosis in breast tumors with an intense lymphocytic infiltrate...
  70. ncbi Ovarian yolk sac tumor associated with endometrioid carcinoma and mucinous cystadenoma of the ovary
    Jessica M Lopez
    Departamento de Patologia, Hospital de Clinicas Jose de San Martin, Buenos Aires, Argentina
    Ann Diagn Pathol 7:300-5. 2003
    ..After surgery, the patient received three cycles of chemotherapy. However, the disease progressed and the patient died 10 months after the diagnosis of the ovarian tumor...