CD138 Expression Is Observed in the Urothelial Epithelium and in Various Urothelial Carcinomas, and Cannot Be Evidence for Plasmacytoid Urothelial Carcinoma.

abstract：:The histology in cases of primary spontaneous pneumothorax is generally nonspecific, but a careful examination, taking into account clinical data, may reveal subtle tissue alterations leading to a specific diagnosis in cases that might otherwise be taken as primary and spontaneous. In this article, we describe 3 cases...

journal_title：International journal of surgical pathology

authors： Mataca E,Rossi G,Colby TV

更新日期：2019-09-01 00:00:00

abstract：:Pseudomembranes in colonic biopsies are normally associated with antibiotic related pseudomembranous colitis. Although pseudomembranes have rarely been reported in other conditions, their presence in rectal prolapse has not been previously reported. ...

journal_title：International journal of surgical pathology

authors： Coyne JD

更新日期：2013-08-01 00:00:00

abstract：:Langerhans cell histiocytosis (LCH) with primary involvement of the upper gastrointestinal (GI) tract is rare. We report 2 adult cases of localized LCH in the upper-GI tract, including the second reported adult case of esophageal LCH and review 11 previously reported cases. Case 1 involved the esophagus of a 61-year-o...

journal_title：International journal of surgical pathology

authors： Matsuoka Y,Iemura Y,Fujimoto M,Shibuya S,Yamada A,Fujii S,Kusaka T,Shindo T,Minamiguchi S,Haga H

更新日期：2020-10-09 00:00:00

abstract：:Transformation of an ameloblastic fibroma to an ameloblastic fibrosarcoma has been reported rarely in the literature. The present case report describes such evolution in a patient under long-term follow-up. The patient was first treated in 2008, and he developed the malignant counterpart of the disease 2 years later. ...

journal_title：International journal of surgical pathology

authors： Bertoni F,Del Corso G,Bacchini P,Marchetti C,Tarsitano A

更新日期：2016-10-01 00:00:00

abstract：:Primary carcinoid tumor of the skin (PCTS) is an uncommon indolent neoplasm, with 10 cases described in the literature. The tumors affect patients in the sixth to ninth decades of life (mean = 66.3 years) with an equal gender distribution and predilection for the head and trunk. They present as slowly enlarging nodule...

journal_title：International journal of surgical pathology

authors： Jedrych J,Pulitzer M

更新日期：2014-04-01 00:00:00

abstract：:Background. In this single-institution study, we applied the current (eighth edition) American Joint Committee on Cancer pathologic staging criteria to 64 low-grade mucinous neoplasms of the appendix (LAMNs), examined their histopathologic features, and studied the patients' clinical outcomes. Design. Sixty-four LAMNs...

journal_title：International journal of surgical pathology

authors： Wong M,Barrows B,Gangi A,Kim S,Mertens RB,Dhall D

更新日期：2020-05-01 00:00:00

abstract：:Sinonasal adenocarcinoma is a rare tumor of the head and neck accounting for 10% to 20% of all primary malignancies of the nose and paranasal sinuses. There tumors are classified as salivary, intestinal and nonintestinal, nonsalivary. Low-grade nonintestinal nonsalivary are rare tumors whose diagnosis is essentially t...

journal_title：International journal of surgical pathology

authors： Blumberg JM,Escobar-Stein J,Vining EM,Prasad ML

更新日期：2015-12-01 00:00:00

abstract：:A 46-year-old man presented with nonproductive cough and lower limb swelling. Chest radiograph showed a left lower lobe lung mass and multiple subpleural nodules. Other investigations revealed that he had nephrotic syndrome. Core biopsies of the left lower lobe lung mass showed features of inflammatory pseudotumor wit...

journal_title：International journal of surgical pathology

authors： Govender D,Jackson C,Chetty D

更新日期：2021-02-01 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：:Transitional cell tumors of the ovary comprise about 1% to 2% of all ovarian neoplasms. Most of these tumors are benign Brenner tumors and account for about 5% of benign surface epithelial-stromal tumors. Spicules of calcifications are found in the stroma of about 50% of benign Brenner tumors. Although diagnostic chal...

journal_title：International journal of surgical pathology

authors： Vemavarapu L,Alatassi H,Moghadamfalahi M

更新日期：2011-02-01 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：: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：:Malignant melanoma has a variety of morphologic patterns and can metastasize and mimic any type of neoplastic process creating significant diagnostic difficulty. When metastasis to the gastrointestinal system is identified, it is most commonly associated with widely metastatic disease. We report a rare case of isolate...

journal_title：International journal of surgical pathology

authors： Lo AA,Peevey J,Lo EC,Guitart J,Rao MS,Yang GY

更新日期：2015-08-01 00:00:00

abstract：:Ocular sebaceous carcinoma is an uncommon, aggressive tumor arising from the Meibomian gland, Zeis gland, or sebaceous glands in the caruncle or eyelashes. We described a rare case of sebaceous carcinoma in situ in a 51-year-old female that was characterized by intraepithelial growth of sebaceous carcinoma cells with ...

journal_title：International journal of surgical pathology

authors： Yim CL,Lam SC,Yuen HKL,Cheuk W

更新日期：2020-12-01 00:00:00

abstract：:We review the clinical, pathologic, and molecular genetic features of 3 splenic T-cell-rich B-cell lymphomas and discuss their differential diagnosis. All patients presented with symptomatic splenomegaly and underwent diagnostic/therapeutic splenectomy. Microscopically, the spleen in all cases showed a micronodular pr...

journal_title：International journal of surgical pathology

authors： Li S,Mann KP,Holden JT

更新日期：2004-01-01 00:00:00

abstract：BACKGROUND:Study of minimum adenocarcinoma has been done almost exclusively on conventional acinar adenocarcinoma. Pseudohyperplastic adenocarcinoma can be confused with benign lesions because of its well-differentiated appearance and has not been studied when the biopsy shows few malignant glands (limited carcinoma). ...

journal_title：International journal of surgical pathology

authors： Arista-Nasr J,Martinez-Benitez B,Mijangos-Trejo A,Bornstein-Quevedo L,Albores-Saavedra J

更新日期：2017-10-01 00:00:00

abstract：:Specimen misidentification is a common cause of errors in surgical pathology. We report a case where bone-marrow biopsies from patients of different genders were mislabeled and molecular methods were applied to resolve the identity. A short tandem repeat (STR)-polymerase chain reaction-based assay, commonly used in pa...

journal_title：International journal of surgical pathology

authors： Mariappan MR,Zehnder J,Arber DA,Lay M,Fadare O,Schrijver I

更新日期：2005-07-01 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：:Diaphragm disease of small intestine usually presents with nonspecific clinical features. Radiological investigations often fail to differentiate it from small intestinal tumors and inflammatory bowel disease. It is therefore diagnosed on final histology after surgical resection. We hereby report an interesting case o...

journal_title：International journal of surgical pathology

authors： Ullah S,Ajab S,Rao R,Raghunathan G,DaCosta P

更新日期：2015-06-01 00:00:00

abstract：:A 37-year-old woman was found to have multiple peritoneal nodules, including on the uterine serosa, at Cesarean section. Histology showed yellow crystalline material surrounded by histiocytes and occasional multinucleate giant cells. Further enquiry revealed that the patient underwent a cholecystectomy for a perforate...

journal_title：International journal of surgical pathology

authors： McVeigh G,McComiskey M,McCluggage WG

更新日期：2012-02-01 00:00:00

abstract：:A 16-year-old boy presented with a tumor located in fourth ventricle, which showed histological features of an ependymoma replete with perivascular pseudorosettes and true ependymal rosettes. Interestingly, many of the tumor cells exhibited abundant cytoplasm stuffed with a grayish brown pigment. Histochemical stains ...

journal_title：International journal of surgical pathology

authors： Malhotra A,Rao S,Santhoshkumar R,Muralidharan N,Mitra S,Shetty S

更新日期：2021-02-01 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：:Gastric duplication cysts are rare congenital anomalies that are mostly discovered in children but can remain asymptomatic and undetected into adulthood. Malignant transformation in gastric duplications is extremely rare, with most reported cases being adenocarcinomas. Herein, the authors report the first case of a hi...

journal_title：International journal of surgical pathology

authors： Horne G,Ming-Lum C,Kirkpatrick AW,Parker RL

更新日期：2007-04-01 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：:To elucidate the relationship between del(5q) and the clinical and histological features of small cell neuroendocrine lung carcinoma, 33 tissue samples from patients with this tumor were evaluated. By using fluorescence in situ hybridization, del(5q) was identified in almost 50% of cases (15/33, 45%). Clinically, pati...

journal_title：International journal of surgical pathology

authors： Hartel PH,Shackelford AL,Hartel JV,Wenger SL

更新日期：2008-10-01 00:00:00

abstract：:Enfuvirtide (ENF, T-20, or Fuzeon [Hoffman-La Roche Inc, Nutley, NJ, and Trimeris, Inc, Durham, NC]) is an HIV-1 fusion inhibitor and is the only injectable antiretroviral drug available. Injection site reactions (ISRs) are the most frequently reported adverse events, occurring in about 98% of patients. A granuloma an...

journal_title：International journal of surgical pathology

authors： Sidhu HK,Chaffee BH,Tvetenstrand CD,Sidhu JS

更新日期：2010-10-01 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：:Diverticulosis of the appendix is a relatively rare pathological finding. The majority are acquired pseudodiverticula. True congenital diverticula are very rare. Appendiceal diverticulosis is usually an incidental finding and clinically asymptomatic. When symptomatic, it is usually complicated by acute or chronic dive...

journal_title：International journal of surgical pathology

authors： Abdullgaffar B

更新日期：2009-06-01 00:00:00

abstract：:A 61-year-old woman presented with solitary lymphadenopathy suspicious for lymphoma. An excisional biopsy of a right inguinal lymph node demonstrated metastatic Merkel cell carcinoma (MCC). No skin lesions were detected, but a primary nasopharyngeal mass was identified. A microscopic examination of the nasopharyngeal ...

journal_title：International journal of surgical pathology

authors： Wu KN,McCue PA,Berger A,Spiegel JR,Wang ZX,Witkiewicz AK

更新日期：2010-10-01 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