Clinicopathologic analysis of 4 perivascular epithelioid cell tumors (PEComas) of the gastrointestinal tract.

abstract：:Peritoneal metastasis in colorectal carcinoma is associated with a dismal prognosis; however, features that correlate with patterns of metastatic spread are not well characterized. We analyzed the clinicopathologic and molecular features of 166 patients with colorectal carcinomas stratified by metastases to the perito...

journal_title：International journal of surgical pathology

authors： Kermanshahi TR,Magge D,Choudry H,Ramalingam L,Zhu B,Pingpank J,Ahrendt S,Holtzman M,Zeh H,Bartlett D,Zureikat A,Pai RK

更新日期：2017-04-01 00:00:00

abstract：:We assessed the contribution of histopathological features to systemic recurrence (SR) in patients with colorectal cancer, using a case-control design: 71 cases and 184 controls were included, with a mean time until SR of 1.4 ± 0.1 years and a mean follow-up of controls of 1.6 ± 0.06 years. Cases had significantly gre...

journal_title：International journal of surgical pathology

authors： Hayes BD,O'Riordan JM,Stuart C,Muldoon C

更新日期：2014-09-01 00:00:00

abstract：:Juvenile granulosa cell tumor of the testis of neonates and infants is an uncommon lesion frequently associated with abnormal sex chromosome and ambiguous genitalia. This report describes a juvenile granulosa cell tumor arising in the testis of a neonate. Chromosome analysis of the tumor showed a normal male karyotype...

journal_title：International journal of surgical pathology

authors： Alexiev BA,Alaish SM,Sun CC

更新日期：2007-07-01 00:00:00

abstract：:Intrasellar rhabdomyosarcoma is rare, and when arising in collusion with an unrelated entity, can present a diagnostic pitfall. We describe a case of a 56-year-old woman who presented with right eye ptosis and a pituitary mass, which was resected and diagnosed as atypical pituitary adenoma. Because of residual disease...

journal_title：International journal of surgical pathology

authors： Duncan VE,Nabors LB,Warren PP,Conry RM,Willey CD,Perry A,Riley KO,Hackney JR

更新日期：2016-12-01 00:00:00

abstract：:To further study the characteristics of renal cell carcinoma (RCC) in young patients and better define their biological features, 46 RCCs of patients younger than 25 years were morphologically and immunohistochemically characterized with follow-up. Loss of heterozygosity (LOH) analysis of the von Hippel-Lindau (VHL) g...

journal_title：International journal of surgical pathology

authors： Rao Q,Chen JY,Wang JD,Ma HH,Zhou HB,Lu ZF,Zhou XJ

更新日期：2011-04-01 00:00:00

abstract：:We report the case of a sclerosing perineurioma with conspicious collagen rosette formation in a 20-year-old male presenting with a firm, painless nodule on the palmar side of his right ring finger. The main differential diagnosis is a low-grade fibromyxoid sarcoma. The distinction between these entities is important ...

journal_title：International journal of surgical pathology

authors： Creytens D,Ferdinande L,Van Dorpe J

更新日期：2018-04-01 00:00:00

abstract：BACKGROUND:The rate of incidental prostate adenocarcinoma (PCa) detection in radical cystoprostatectomy (RCP) varies widely, ranging from 15% to 54%. Such variability may be explained by institutional differences in prostate grossing protocols. Either partial or complete submission of the prostate gland in RCP may resu...

journal_title：International journal of surgical pathology

authors： Filter ER,Gabril MY,Gomez JA,Wang PZT,Chin JL,Izawa J,Moussa M

更新日期：2017-08-01 00:00:00

abstract：:Combined lung cancers containing both small cell and non-small cell carcinoma elements are uncommon but well recognized. Lung tumors with neuroendocrine differentiation form a group of histologically distinct tumors with differing clinical behavior ranging from low-grade tumors with good prognosis (typical carcinoid) ...

journal_title：International journal of surgical pathology

authors： Owens CL,Fraire AE

更新日期：2011-04-01 00:00:00

abstract：:Superficial CD34-positive fibroblastic tumor (SCPFT) is a recently described entity that, despite significant pleomorphism, carries a good prognosis. We briefly describe this tumor and its principal differential diagnoses. Recognition of SCPFTs, including the clinical context in which they arise, is important to avoid...

journal_title：International journal of surgical pathology

authors： Foot O,Hallin M,Bagué S,Jones RL,Thway K

更新日期：2020-12-01 00:00:00

abstract：:Cervical cancer is the most common gynecologic malignancy of the developing world. The oncogenic role of human papilloma virus (HPV) is well known. Attention is now focusing on the complicit genetic changes, which allow progression of these tumors. Regarding these changes, deletion of tumor suppressor genes (loss of h...

journal_title：International journal of surgical pathology

authors： Clarke B,Gordon M,Moodley M,Naidoo R,Chetty R

更新日期：2003-10-01 00:00:00

abstract：:Studies on the expression of beta-catenin (beta-ct) in gastric carcinoma have provided conflicting results, and the role played by beta-ct mutations in gastric carcinogenesis remains unclear. In an attempt to clarify the aforementioned issues we undertook the retrospective study of 157 gastric carcinomas by using immu...

journal_title：International journal of surgical pathology

authors： Nabais S,Machado JC,Lopes C,Seruca R,Carneiro F,Sobrinho-Simões M

更新日期：2003-01-01 00:00:00

abstract：:We report the case of a well-differentiated chondrosarcoma of the proximal humerus in a 60-year-old man that featured a prominent component of granular cells, the granules being shown by electron microscopy to be lysosomal. Although secondary granular cell changes have been described in a large variety of tumor types,...

journal_title：International journal of surgical pathology

authors： Cremonini A,Kuhn E,De Biase P,Franchi A

更新日期：2006-04-01 00:00:00

abstract：:A 38-year-old immunocompetent man with occupational exposure to Aspergillus presented with dyspnea, pleuritic chest pain, and hemoptysis. Chest roentgenograms and computed tomography scans demonstrated multiple pulmonary nodules bilaterally. An initial set of bronchial washing cultures grew Aspergillus fumigatus, sero...

journal_title：International journal of surgical pathology

authors： Pinckard JK,Rosenbluth DB,Patel K,Dehner LP,Pfeifer JD

更新日期：2003-01-01 00:00:00

abstract：:The small cell and lymphohistiocytic variants of anaplastic large cell lymphoma are commonly misdiagnosed as reactive lymphadenopathies. A helpful histologic clue is the presence of perivascular cuffs of large lymphoid cells, and the diagnosis can be readily confirmed by immunostaining for CD30 and ALK. Int J Surg Pat...

journal_title：International journal of surgical pathology

authors： Chan JK

更新日期：2000-04-01 00:00:00

abstract：:In this article, we report the case of a 40-year-old woman with a sessile polyp of the rectosigmoid junction that underwent endoscopic resection. The resected specimen showed spindle cell proliferation with eosinophilic cytoplasm between mucosal crypts, mimicking mucosal prolapse syndrome. However, these were immunohi...

journal_title：International journal of surgical pathology

authors： Hashimoto H,Usui G,Sakai E,Ohata K,Morikawa T

更新日期：2019-08-01 00:00:00

abstract：:We report a cytohistologic and immunohistochemical study of 2 cases of papillary thyroid carcinoma occurring in a thyroglossal duct cyst. The patients were a 21-year-old woman and a 48-year-old man. Needle aspiration cytology smears were consistent with papillary thyroid carcinoma. The Sistrunk procedure was done. Pap...

journal_title：International journal of surgical pathology

authors： Falconieri G,Della Libera D,Zanella M

更新日期：2001-01-01 00:00:00

abstract：:Simple melanosis of the bladder is an uncommon condition with fewer than 15 reported cases characterized by multifocal, diffuse melanin pigmentation of the urothelial mucosa. It is frequently associated with urinary incontinence or urgency. Histologically, melanin granules are present within urothelial cells or lamina...

journal_title：International journal of surgical pathology

authors： Talmon GA,Khan AU,Koerber RK,Johansson SL

更新日期：2010-12-01 00:00:00

abstract：:We report our experience with Chromogenic in Situ Hybridization (CISH) for the evaluation of HER2 amplification on 55 cases of formalin-fixed, paraffin-embedded invasive breast carcinomas of different histology. All the results were corrected for chromosome 17 aneusomy and compared with immunohistochemistry (IHC); a s...

journal_title：International journal of surgical pathology

authors： Li-Ning-T E,Ronchetti R,Torres-Cabala C,Merino MJ

更新日期：2005-10-01 00:00:00

abstract：:The authors describe the case of a 36-year-old man with gynecomastia who was previously treated with liposuction of the breast for cosmetic purposes. Histologic examination of a subsequent excisional biopsy revealed nests of displaced epithelial cells in adipose tissue. Epithelial cell displacement is a well-known ris...

journal_title：International journal of surgical pathology

authors： McLaughlin CS,Petrey C,Grant S,Ransdell JS,Reynolds C

更新日期：2011-08-01 00:00:00

abstract：:Appendiceal pneumatosis is rare, reported either in the context of acute appendicitis or enterocolitis. Here, we report the case of an elderly adult in whom the acute appendicitis was associated with pneumatosis and occurred in the context of a malformed appendix with pathogenic organism remnants. A 72-year-old man pr...

journal_title：International journal of surgical pathology

authors： Handra-Luca A,Bisseret D,Dragoescu E

更新日期：2016-02-01 00:00:00

abstract：:In this study based on the study of a centromeric DNA probe specific for chromosome 8 the authors standardized a method for the enzymatic detection of specific chromosome copy numbers on interphase nuclei from tumor tissue samples. Since the in situ hybridization (ISH) of chromosome 8 specific probe was revealed with ...

journal_title：International journal of surgical pathology

authors： Buonamici L,Serra M,Losi L,Eusebi V

更新日期：2000-07-01 00:00:00

abstract：:Mixed adenoneuroendocrine carcinomas (MANECs) of the biliary tract are rare tumors, and to date only a few cases arising in the gallbladder have been reported. Their histogenesis is a matter of debate, since the biliary tract normally lacks neuroendocrine cells. However, the immunohistochemical identification of nonne...

journal_title：International journal of surgical pathology

authors： Acosta AM,Hamedani FS,Kajdacsy-Balla A,Wiley EL

更新日期：2015-08-01 00:00:00

abstract：:The development of squamous metaplasia or carcinoma is a rare occurrence in the setting of a ruptured or leaking silicone breast implant capsule. However, the oncogenic process in such a context is yet another intriguing example of how chronic inflammation plays an integral role in the tumorigenic process. Recent pape...

journal_title：International journal of surgical pathology

authors： Alikhan MB,Nassar A,Mansoor I

更新日期：2010-12-01 00:00:00

abstract：:Malignant melanoma (MM), the most common metastatic solid tumor to involve the breast, may present as a diagnostic problem, frequently requiring the use of ancillary studies for accurate diagnosis. The implication of hormonal interplay is strong since metastatic MM to the breast is seen nearly always in women. However...

journal_title：International journal of surgical pathology

authors： Beaty MW,Quezado M,Sobel ME,Duray P,Merino MJ

更新日期：2005-01-01 00:00:00

abstract：AIMS:Diffuse large B-cell lymphomas (DLBCL) can be divided into different subgroups (germinal center B-cell-like [GCB] and non-GCB) according to their gene expression profiles. Immunohistochemistry has been proposed as a surrogate for identifying these subgroups, but data about its efficacy in providing prognostic info...

journal_title：International journal of surgical pathology

authors： Laszlo D,Pruneri G,Andreola G,Radice D,Calabrese L,Rafaniello PR,Nassi L,Sammassimo S,Alietti A,Agazzi A,Vanazzi A,Martinelli G

更新日期：2011-08-01 00:00:00

abstract：:Cystic squamous cell carcinomas (SCCs) of the jaws, including carcinoma cuniculatum, are rare, slow growing, and relentlessly invasive. The aim of this article is to present 12 cases, 4 of which were designated as carcinoma cuniculatum on the basis of deeply endophytic, anastomosing channels of cystic stratified squam...

journal_title：International journal of surgical pathology

authors： Barrett AW,Garg M,Armstrong D,Bisase BS,Newman L,Norris PM,Shelley M,Tighe JV,Hyde NC,Chaston NJ,Gulati A

更新日期：2020-09-01 00:00:00

abstract：:St. Gallen 2005 expert consensus guideline modified its criteria for the risk category of breast cancer (BC) patients by integrating a combination of lymph nodes with metastasis (positive lymph nodes [PLNs]) and HER-2/neu status of tumor. Recently, some studies have shown that lymph node ratio (LNR), defined as the ra...

journal_title：International journal of surgical pathology

authors： Yang C,Liu F,Li S,Li W,Zhai L,Ren M,Li Y,Lang R,Fan Y,Zhang X,Fu L

更新日期：2012-12-01 00:00:00

abstract：:Lymphoplasmacyte-rich meningioma (LPRM) is an extremely rare variant of meningioma, and a small percentage of LPRM may be associated with IgG4-related disease. To date, the coexistence of 2 rare meningioma variants consisting of LPRM and angiomatous meningioma within one neoplasm has not been reported in the literatur...

journal_title：International journal of surgical pathology

authors： Son HJ,Yu IK,Kim SM

更新日期：2018-02-01 00:00:00

abstract：:A high level of serum alpha-fetoprotein (AFP) is typically indicative of hepatocellular carcinoma in patients with liver lesions. In this article, we describe an exceptional case of intrahepatic cholangiocarcinoma that occurred in a 36-year-old man with a markedly elevated serum AFP level (12310.7 ng/mL). Histopatholo...

journal_title：International journal of surgical pathology

authors： Vij K,Wang HL

更新日期：2008-04-01 00:00:00

abstract：AIM:To describe a case of metastasis of malignant peritoneal epithelioid mesothelioma in gastric antral mucosa in a patient with a cryptogenic liver cirrhosis associated with esophageal varices, abdominal pain and distension, ascites, and weight loss. MATERIALS AND METHOD:The patient underwent esophageal gastric endos...

journal_title：International journal of surgical pathology

authors： Daniele L,Righi A,Ferraris A,Macrì L,Asioli S

更新日期：2011-04-01 00:00:00