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：: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 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：:Adenocarcinomas and noninvasive intraepithelial neoplasms (either polypoid or flat) are the most common gallbladder tumors; however, neuroendocrine neoplasms (NENs) can also occur. The majority of NENs are represented by neuroendocrine carcinomas (NECs), while neuroendocrine tumors (NETs) are extremely rare in this lo...

journal_title：International journal of surgical pathology

authors： Kővári B,Turkevi-Nagy S,Lauwers GY,Jiang K

更新日期：2021-01-09 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：: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：: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：: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：:Germinotropic lymphoproliferative disorder (GLPD) is a poorly characterized lymphoproliferative entity, recently included in the World Health Organization classification of hematolymphoid neoplasms. The histological pattern of this disease comprises monotypic plasmablasts that involve the germinal centers of the lymph...

journal_title：International journal of surgical pathology

authors： Martinez-Ciarpaglini C,Valkov A,Hurtado M,Agustí J,Malave G,Ferrández A

更新日期：2020-10-01 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：:Tissue contaminants in anatomical pathology are not uncommon. While issues related to the presence of extraneous tissue on glass slides are often easily resolved, this is not always the case and several factors may contribute to diagnostic difficulty. Because of this, familiarity with the different steps involved in h...

journal_title：International journal of surgical pathology

authors： Hodgson AJ,Shang YM,Boulianne P,Downes MR,Hwang D,Slodkowska E

更新日期：2020-10-01 00:00:00

abstract：:Mixed squamous and glandular papilloma (mixed papilloma) of the lung has been reported in fewer than 25 cases in the English literature. Although it is known as a benign tumor, malignant transformation has been reported. Papillary cystic carcinoma is characterized by papillary and cystic growth patterns and has been r...

journal_title：International journal of surgical pathology

authors： An AR,Park SY,Kim JH,Chae KJ,Chung MJ

更新日期：2020-09-01 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：:Juvenile xanthogranuloma (JXG) is a benign histiocytic disorder usually affecting the head and trunk region of a child. The isolated occurrence of JXG in the penile shaft of a young adult is hitherto unreported. This lesion is amenable to surgical resection although systemic and/or internal visceral involvement can oc...

journal_title：International journal of surgical pathology

authors： Majumder R,Biswas D,Mishra TS,Mitra S

更新日期：2020-09-01 00:00:00

abstract：:Esophageal ectopic sebaceous glands are very rare lesions. A series of 5 cases in a single report has been the maximum number described in the English literature to date. We conducted a clinicopathologic study of 8 cases of esophageal ectopic sebaceous glands. The median patient age at the time of diagnosis was 60 yea...

journal_title：International journal of surgical pathology

authors： Hashimoto H,Horiuchi H,Miura S,Takayanagi S,Gunji T,Morikawa T

更新日期：2020-08-26 00:00:00

abstract：AIMS. GIARDIA:is sometimes missed by the pathologist, and we sought to determine how often this occurs at our institution-a large tertiary care center with a subspecialty gastrointestinal pathology service and what certain clinical and histologic clues can be used to flag cases with a higher likelihood of infection, ta...

journal_title：International journal of surgical pathology

authors： Shen MJ,Voltaggio L,Robertson S

更新日期：2020-08-10 00:00:00

abstract：:Mammary-type myofibroblastoma (MFB) is a benign spindle cell tumor of the breast and soft tissue characterized by 13q14 alterations leading to loss of Rb-1 protein expression, a feature shared among spindle cell lipoma and cellular angiofibroma. In this article, we present a novel case of MFB arising in the left breas...

journal_title：International journal of surgical pathology

authors： Strait AM,Linos K,Tafe LJ,Muller KE

更新日期：2020-08-05 00:00:00

abstract：:Objectives. The criteria for "active surveillance" depend in part on quantification of tumor extent and grade on prostate biopsies. It is known that false-negative biopsies may occur from incomplete sectioning of cores within the paraffin blocks. Methods. We retrospectively analyzed a prostate biopsy series, which wer...

journal_title：International journal of surgical pathology

authors： Paulk AT,Sesterhenn IA,Burke AP

更新日期：2020-08-01 00:00:00

abstract：:Calcifying pseudoneoplasm of the neuraxis (CAPNON) is a rare tumor-like lesion with unclear pathogenesis. Collision lesions of CAPNONs with neoplasms are occasionally reported. In this article, we report the first case of collision lesions between CAPNON and rheumatoid nodules (RNs) in a patient with systemic lupus er...

journal_title：International journal of surgical pathology

authors： Lu JQ,Popovic S,Provias J,Cenic A

更新日期：2020-07-15 00:00:00

abstract：:In this article, we report a very rare case of secondary angiosarcoma in a young woman with no prior history of breast cancer who had bilateral prophylactic mastectomies with autologous reconstruction due to a strong family history of breast cancer and BRCA1 gene variant of uncertain significance. The surgery was comp...

journal_title：International journal of surgical pathology

authors： Webb C,Partain N,Koduru P,Hwang H,Sarode VR

更新日期：2020-06-18 00:00:00

abstract：:Neuromuscular and vascular hamartoma (NMVH) is an unusual lesion presenting as intestinal obstruction by stricture formation. It is characterized by a hamartomatous mass comprising haphazardly arranged mesenchymal tissue native to the intestinal mucosa and submucosa. We aimed to characterize the clinicohistopathologic...

journal_title：International journal of surgical pathology

authors： Ayyanar P,Purkait S,Mishra TS,Patra S,Mitra S

更新日期：2020-06-01 00:00:00

abstract：:Merkel cell carcinoma (MCC) is a rare entity that most commonly arises from the skin. Angiosarcoma (AS) is a rare malignancy with a predilection for elderly males, has endothelial differentiation and a notoriously poor prognosis despite aggressive therapy. Herein, we report an angiosarcoma colliding with a MCC, in a p...

journal_title：International journal of surgical pathology

authors： Hacking S,Chavaria H,Khan L,Das K

更新日期：2020-05-01 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：:Verruciform xanthoma is a rare benign verrucopapillary lesion that develops in the oral mucosa and genital skin. Its development in the esophagus is extremely rare, with only 5 reported cases. We present 2 cases of verruciform xanthoma of the esophagus. Case 1 involved a 91-year-old woman, who had hypertension and chr...

journal_title：International journal of surgical pathology

authors： Noguchi H,Kitazono I,Hamada K,Tanaka T,Tasaki T,Shirahama H,Yamamoto Y,Tanimoto A

更新日期：2020-05-01 00:00:00

abstract：:Carcinomas in the breast with a predominantly clear cytoplasm are rare. In this article, we review the differential diagnosis of clear cell breast neoplasms and report a case of invasive lobular carcinoma with extensive clear cell morphology that was diagnosed as invasive ductal carcinoma, not otherwise specified, on ...

journal_title：International journal of surgical pathology

authors： Kavesh MH,Sanchez D,Asirvatham JR

更新日期：2020-04-01 00:00:00

abstract：:Tumor-to-tumor metastasis is an unusual phenomenon wherein one distinct malignancy is present within the substance of another independent tumor. This event is rare, difficult to detect with imaging, and, due to conflicting terminology in the literature, can be challenging to classify. This article reports the first do...

journal_title：International journal of surgical pathology

authors： Miller V,Hoellwarth JS,Hankins ML,McGough R,Schoedel K

更新日期：2020-04-01 00:00:00

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：:Primary pulmonary acinic cell carcinoma (ACC) is rare. The clinicopathological features are not identical to that of classic ACC that leads to misdiagnosis. In this article, we summarized the clinicopathological features of 25 such cases, including 6 cases in this series and additional 19 cases in the literature. Pulm...

journal_title：International journal of surgical pathology

authors： Nie L,Zhou C,Wu H,Zhou Q,Meng F

更新日期：2019-09-01 00:00:00

abstract：:Background. Solitary circumscribed neuroma (SCN), also known as palisaded encapsulated neuroma (PEN), is a benign neural tumor. It may be mistaken as either schwannoma or neurofibroma in pathology practice. In this study, we aimed to define clinicopathologic and immunohistochemical features and discuss its differentia...

journal_title：International journal of surgical pathology

authors： Leblebici C,Savli TC,Yeni B,Cin M,Aksu AEK

更新日期：2019-08-01 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：BACKGROUND:Epithelioid hemangioendothelioma (EHE) is an uncommon malignant endothelial neoplasm that most commonly arises in soft tissue, bone, lung, and liver. Crohn's disease (CD) is an inflammatory bowel disease of unknown etiology that is frequently associated with complications including strictures, fistulas/fissu...

journal_title：International journal of surgical pathology

authors： Spasic S,Brcic I,Freire R,Garcia-Buitrago MT,Rosenberg AE

更新日期：2019-06-01 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：:Crystalloid granuloma (CG) of salivary gland is an extremely rare inflammatory disease, and only 6 cases have been reported in the English literature. CG is histologically characterized by a granulomatous reaction to amylase crystalloid deposition. A 73-year-old woman presented with a painful left neck mass. Computed ...

journal_title：International journal of surgical pathology

authors： Motoda N,Onda M,Nakamizo M,Ohashi R,Okubo K,Naito Z

更新日期：2019-04-01 00:00:00

abstract：BACKGROUND:The phenomenon of vanishing carcinomas, first described in context of prostatic carcinomas, has been documented in endometrial carcinomas as well. METHODS:The archives of the department were searched for case files of endometrial carcinoma diagnosed on endometrial curetting/biopsy but which did not reveal a...

journal_title：International journal of surgical pathology

authors： Bharani V,Rai B,Rajwanshi A,Gupta N,Dey P,Kalra J,Suri V,Srinivasan R

更新日期：2019-02-01 00:00:00

abstract：:Clear cell chondrosarcoma (CCCS) is a rare variant of conventional chondrosarcoma with low-grade malignant features that may be confused radiographically and histologically with chondroblastoma. We report a case of a 50-year-old female who presented with 6 months of left hip pain. Initial radiographs demonstrated an o...

journal_title：International journal of surgical pathology

authors： Kiefer RM,Wojcik J,Cooper K,Weber KL,Sebro R

更新日期：2018-12-01 00:00:00

abstract：:Gastrointestinal stromal tumors (GIST) are the most common mesenchymal lesions of the gastrointestinal tract. Many are treated surgically with or without the use of adjuvant tyrosine kinase inhibitors. Metastases to lymph nodes are infrequent. In this article, we present a case of a perigastric nodule presenting 3 yea...

journal_title：International journal of surgical pathology

authors： Moodley J,Cutz JC,Schell M

更新日期：2018-10-01 00:00:00

abstract：:Adenomyoma and adenomyomatous hyperplasia are benign tumor-like lesions that rarely involve the major or minor duodenal papilla. We report the case of a 73-year-old patient who underwent a cephalic duodenopancreatectomy due to clinical and radiological evidence of underlying malignant neoplasm. The histopathology resu...

journal_title：International journal of surgical pathology

authors： Gialamas E,Mormont M,Bagetakos I,Frossard JL,Morel P,Puppa G

更新日期：2018-10-01 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：BACKGROUND:To avoid diagnostic errors such as missed diagnosis and errors in staging tumors due to inadequate tissue sampling, pathologists submit additional sections (AS). OBJECTIVE:This study assessed frequency, diagnostic yield, distribution, and cost of AS. METHOD:Among 1542 AS cases, we calculated mean AS per ca...

journal_title：International journal of surgical pathology

authors： Hamza A,Alrajjal A,Edens J,Khawar S,Khurram MS,Szpunar S,Bonnett M

更新日期：2018-08-01 00:00:00

abstract：:Mammary sclerosing lobular hyperplasia is an uncommon benign fibroproliferative lesion of adolescent and young women, often of African American heritage with an incidence of ~3%. Patients generally complain of a palpable, painless, or slightly tender and well-defined lump in breast. Very rarely, this lesion may be bil...

journal_title：International journal of surgical pathology

authors： Elfituri O,Sonawane S,Xu H,Warso MA,Wiley E

更新日期：2018-06-01 00:00:00