Pleomorphic adenoma with mucinous and squamous differentiation: a mimicker of mucoepidermoid carcinoma.

abstract：:A completely infarcted lymph node should alert the pathologist to the high possibility of malignant lymphoma. The lymph node lesion of infectious mononucleosis (IM) shows marked histologic diversity and occasionally may be confused with malignant lymphoma. We report a rare case of IM showing extensive lymph node infar...

journal_title：International journal of surgical pathology

authors： Kojima M,Nakamura S,Sugihara S,Sakata N,Masawa N

更新日期：2002-07-01 00:00:00

abstract：:Male breast carcinomas (MBCs) are rare neoplasms that account for 0.1% of all male cancers. Still, there are 2000 new cases of MCB diagnosed annually in the United States. Because of its rarity, data regarding the etiology, risk factors, diagnosis, management, and prognosis of MBC are limited. MBC shares some similari...

journal_title：International journal of surgical pathology

authors： Javidiparsijani S,Rosen LE,Gattuso P

更新日期：2017-05-01 00:00:00

abstract：:Palisaded mammary-type myofibroblastoma is a rare variant of benign stromal spindle cell tumor whose histological features are well known. Nevertheless, no cytological features have been reported to date. In this article, we describe the cytological features of a case of palisaded mammary-type myofibroblastoma in whic...

journal_title：International journal of surgical pathology

authors： Fabbri VP,Damiani S,Baccarini P,Saguatti G,Cucchi MC,Foschini MP

更新日期：2017-04-01 00:00:00

abstract：:The true incidence of light chain deposition disease (LCDD) restricted to the central nervous system (CNS) is unknown. To our knowledge only 7 cases of LCDD restricted to the brain have been previously reported. We herein describe an unusual example. A 44-year-old man presented with a history of ischemic retinopathy i...

journal_title：International journal of surgical pathology

authors： Mercado JJ,Markert JM,Meador W,Chapman P,Perry A,Hackney JR

更新日期：2017-12-01 00:00:00

abstract：:Mucoepidermoid carcinoma (MEC) shows a wide morphologic spectrum, including epithelium with oncocytic or squamous metaplastic changes overlying a prominent cystic architecture, as well as tumor-associated lymphoid tissue. We illustrate a case of MEC of the parotid in a 17-year-old female, in which all these features o...

journal_title：International journal of surgical pathology

authors： Heatley N,Harrington KJ,Thway K

更新日期：2018-02-01 00:00:00

abstract：:Myositis ossificans (MO) and fibroosseous pseudotumor of digits (FP) are pseudotumoral mimics of malignancy. A review of 50 cases of MO and 14 cases of FP showed that a malignant diagnosis was suggested by referring pathologists in 23% of MO and 9% of FP. The most common misdiagnosis was osteosarcoma. Awareness of the...

journal_title：International journal of surgical pathology

authors： de Silva MV,Reid R

更新日期：2003-07-01 00:00:00

abstract：BACKGROUND:Acetylcholinesterase (AchE) histochemistry has been established as an accurate diagnostic tool for Hirschsprung's disease (HD). In addition, calretinin immunohistochemistry is also reported as a reliable and adjunctive method to diagnose HD. We investigated the diagnostic value of combined AchE histochemistr...

journal_title：International journal of surgical pathology

authors： Jeong H,Jung HR,Hwang I,Kwon SY,Choe M,Kang YN,Jung E,Kim SP

更新日期：2018-09-01 00:00:00

abstract：:The aim of this study was to investigate the role of UbcH10 expression in the differential diagnosis of benign, hyperplastic, and malignant endometrial tissues and also the relationship of UbcH10 with the clinicopathologic parameters of malignant cases. A tissue microarray was performed for 81 endometrial curettage bi...

journal_title：International journal of surgical pathology

authors： Kefeli M,Yildiz L,Celik H,Tosun M,Karagoz F

更新日期：2012-08-01 00:00:00

abstract：:The International Society of Urological Pathology in 2010 recommended weighing prostates without seminal vesicles (SV) to include only prostate weight in prostate-specific antigen (PSA) density (PSAD) calculation, because SV do not produce PSA. Large retrospective cohorts exist with combined weight recorded that needs...

journal_title：International journal of surgical pathology

authors： Tjionas GA,Epstein JI,Williamson SR,Diaz M,Menon M,Peabody JO,Gupta NS,Parekh DJ,Cote RJ,Jorda M,Kryvenko ON

更新日期：2015-12-01 00:00:00

abstract：:Ulcerative colitis-related epithelial dysplasia represents a premalignant lesion, which may lead to the development of ulcerative colitis-related adenocarcinoma. The proper management of this condition requires proctocolectomy before the acquisition of the invasive phenotype. Patients with chronic ulcerative colitis, ...

journal_title：International journal of surgical pathology

authors： Urbanski SJ,Fogt F

更新日期：2000-01-01 00:00:00

abstract：:A 59-year-old female received a matched related donor stem cell transplant for chronic myelogenous leukemia. After being successfully treated with prednisone for chronic graft versus host disease that initially started 50 days posttransplant, she developed hepatic dysfunction during the steroid taper on day 531, as ev...

journal_title：International journal of surgical pathology

authors： Baniak NM,Kanthan R

更新日期：2016-04-01 00:00:00

abstract：:Aims Epithelial mesenchymal transition (EMT) is a crucial process for acquisition of malignant phenotype, aggressiveness, and metastatic capacity in neoplasms. It is characterized by loss of epithelial markers and gain of mesenchymal markers. Studies on EMT and its potential association with the histological grading a...

journal_title：International journal of surgical pathology

authors： Angadi PV,Patil PV,Angadi V,Mane D,Shekar S,Hallikerimath S,Kale AD,Kardesai SG

更新日期：2016-12-01 00:00:00

abstract：OBJECTIVES:Renal cell carcinomas (RCCs) in children and adolescents are much rarer than in adults. In this age group, Xp11.2 translocation RCCs were the most common subtype of pediatric RCCs. Information regarding the clinical behavior of pediatric RCCs remains controversial because of their relatively rare incidence. ...

journal_title：International journal of surgical pathology

authors： Qiu Rao,Bing Guan,Zhou XJ

更新日期：2010-12-01 00:00:00

abstract：:Epithelioid sarcoma is a rare malignant mesenchymal neoplasm (less than 1% of all sarcomas) with epithelioid morphology. Among the 2 subtypes, proximal represents only one-third of cases and commonly involves deep tissues of pelvic region, including the perineum, genital area, and groin, and occurs more frequently in ...

journal_title：International journal of surgical pathology

authors： Suárez-Zamora DA,Barrera-Herrera LE,Rodríguez-Urrego PA,Palau-Lázaro MA

更新日期：2017-08-01 00:00:00

abstract：:The sarcomatoid variant of anaplastic large cell lymphoma is an extremely rare histologic pattern of anaplastic large cell lymphoma that consists of spindle-shaped neoplastic cells and is easily misdiagnosed as a soft tissue sarcoma. We report a case of the sarcomatoid variant of anaplastic large cell lymphoma that wa...

journal_title：International journal of surgical pathology

authors： Song F,Yu S,Jia M,Gao H,Sun PL

更新日期：2021-01-11 00:00:00

abstract：:Fibroadenoma and phyllodes tumors of the breast exhibit a continuum of pathologic features. We examined phyllodes tumors initially called fibroadenoma for features that may accurately classify the tumor as phyllodes tumor on the first biopsy specimen. The phyllodes tumors initially called fibroadenoma for features tha...

journal_title：International journal of surgical pathology

authors： Yohe S,Yeh IT

更新日期：2008-04-01 00:00:00

abstract：BACKGROUND:In this study, we retrospectively evaluated cases of patients who had undergone appendectomy in our hospital and aimed to present the efficiency of diagnostic tests and demographic data of cases. Pathological reports were analyzed for the following parameters: age, gender, and pathological diagnosis. In addi...

journal_title：International journal of surgical pathology

authors： Unver N,Coban G,Arıcı DS,Buyukpınarbasılı N,Gucin Z,Malya FÜ,Onaran OI,Topalan K

更新日期：2019-04-01 00:00:00

abstract：:Because of its rarity, pathologic and clinical features of Hodgkin lymphoma-like posttransplant lymphoproliferative disorder (HL-like PTLD) are not well understood, and it is unclear whether its biological behavior is more closely related to classical Hodgkin disease or to monomorphic B-cell PTLD. The authors compared...

journal_title：International journal of surgical pathology

authors： Krishnamurthy S,Hassan A,Frater JL,Paessler ME,Kreisel FH

更新日期：2010-08-01 00:00:00

abstract：:Composite hemangioendothelioma is a rare vascular tumor morphologically comprising several distinct vascular components and exhibits a borderline malignant potential. We described the case of a 53-year-old female who presented with an infiltrative mass in the paravertebral soft tissue. The tumor showed discrete nests ...

journal_title：International journal of surgical pathology

authors： Cheuk W,Shum KS,Ng WK,Chan JKC

更新日期：2020-10-01 00:00:00

abstract：CONTEXT.:Follicular cholecystitis (FC) is a poorly characterized entity. OBJECTIVE.:To determine its frequency/clinicopathologic associations. DESIGN.:A total of 2550 cholecystectomy specimens were examined. Two hundred three of these were consecutive routine cholecystectomies submitted entirely for microscopic exami...

journal_title：International journal of surgical pathology

authors： Saka B,Memis B,Seven IE,Pehlivanoglu B,Balci S,Bagci P,Reid M,Dursun N,Escalano OT,Roa JC,Araya JC,Kong SY,Basturk O,Koshiol J,Adsay NV

更新日期：2020-12-01 00:00:00

abstract：:Hodgkin lymphoma (HL) associated with Warthin tumor (WT) is extremely rare, accounting for only 3 cases of classical HLs. Here, we report for the first time the occurrence of a nodular lymphocyte-predominant Hodgkin lymphoma (NLPHL) involving the lymphoid stroma of a WT of the parotid gland. Pathogenesis of WT is cont...

journal_title：International journal of surgical pathology

authors： Di Napoli A,Mallel G,Bartolazzi A,Cavalieri E,Becelli R,Cippitelli C,Ruco L

更新日期：2015-08-01 00:00:00

abstract：:The role and diagnostic efficacy of gene and protein products RB1, CDK4, CHMP2B, HSP90, and cPLA2G4A, all previously shown to be involved in tumor genesis and cell proliferation, were examined by immunohistochemical techniques in 32 cases of myxofibrosarcomas and 29 myxoid liposarcomas (all diagnosis had been confirme...

journal_title：International journal of surgical pathology

authors： Wang T,Goodman MA,McGough RL,Weiss KR,Rao UN

更新日期：2014-10-01 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：:In this study, the pathogenesis of clear cell change in colorectal epithelial lesions was studied. A total of 4 cases of clear cell change (1 hyperplasic polyp and 3 adenomas) were characterized using histochemistry, immunohistochemistry, and electron microscopy. All lesions developed in the left colon. In all, 1 aden...

journal_title：International journal of surgical pathology

authors： Eloy C,Lopes JM,Faria G,Moreira H,Brandão A,Silva T,Carneiro F

更新日期：2009-12-01 00:00:00

abstract：:Colorectal liver metastases with intrabiliary growth are uncommon and difficult to characterize by radiology alone. We present the case of a 61-year-old woman previously operated on for a left colon cancer who developed a metacronous lesion at liver segment II-III. Radiologic workup was indicative for cholangiocarcino...

journal_title：International journal of surgical pathology

authors： Coppola S,Zucchini N,Romano F,Bovo G,Gilardoni E,Nespoli L,Gianotti L

更新日期：2014-05-01 00:00:00

abstract：:The authors describe a case of multifocal perivascular epithelioid cell tumor (PEComa) arising in the pelvis of a 39-year-old woman affected by tuberous sclerosis. The tumor presented in the form of multiple fascicular, focally cystic nodules involving the uterine corpus, both ovaries, and the omentum. Microscopically...

journal_title：International journal of surgical pathology

authors： Froio E,Piana S,Cavazza A,Valli R,Abrate M,Gardini G

更新日期：2008-10-01 00:00:00

abstract：:Spindle cell neoplasms arising in the testis are uncommon; most cases belong to the category of gonadal stromal tumors, and the presence of distinctive clinical and pathological features usually lead to a definitive diagnosis. In some instances, however, the diagnosis of these tumors can be challenging and special tec...

journal_title：International journal of surgical pathology

authors： Nistal M,Gonzalez-Peramato P,Serrano A,Reyes-Mugica M,Cajaiba MM

更新日期：2011-02-01 00:00:00

abstract：:The purpose of our study was to investigate the diagnostic value of expression of IMP3, nucleophosmin, and correlation of these markers with Ki-67 proliferation index in papillary thyroid carcinoma and benign neoplasms of thyroid gland. The aim was also to investigate whether there is a difference between papillary an...

journal_title：International journal of surgical pathology

authors： Yorukoglu A,Yalcin N,Avci A,Cakalagaoglu F,Yaylali G,Akin F,Haciyanli M,Ozden A

更新日期：2015-02-01 00:00:00

abstract：:Atypical adenomatous hyperplasia (AAH) of the prostate is a microscopic proliferation of small acini that may be mistaken for adenocarcinoma. Although some data suggest that AAH is associated with adenocarcinoma arising in the transition zone, the clinical significance of this lesion is uncertain. Therefore we studied...

journal_title：International journal of surgical pathology

authors： Lopez-Beltran A,Qian J,Montironi R,Luque RJ,Bostwick DG

更新日期：2005-04-01 00:00:00

abstract：:A 52-year-old woman presented with fatigue and thrombocytopenia. Imaging studies were unremarkable with the exception of a positron emission tomography scan, which demonstrated intense F-18 fluorodeoxyglucose uptake fusing to the marrow. A bone marrow aspirate was notable for large discohesive cells with basophilic cy...

journal_title：International journal of surgical pathology

authors： Kern JB,Hii A,Kruse MJ,Szabo Z,Argani P,Hibbard MK,Gladstone DE,Meyer C,Zheng R,Borowitz MJ,Duffield AS

更新日期：2015-02-01 00:00:00