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International Journal of Surgical Pathology

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https://www.readbyqxmd.com/read/27913782/intravascular-large-b-cell-lymphoma-resembling-myelodysplastic-syndrome-in-the-bone-marrow
#1
Marco Pizzi, Elena Sabattini
No abstract text is available yet for this article.
December 2, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27913781/synchronous-microscopic-epstein-barr-virus-positive-diffuse-large-b-cell-lymphoma-of-the-adrenal-and-lymphoplasmacytic-lymphoma-de-novo-disease-or-transformation
#2
Mufaddal T Moonim, Alia Nasir, Jonathan Hubbard, Nicholas Ketley, Paul Fields
Lymphomas arising in the adrenal are rare, and to our knowledge, 2 cases of Epstein-Barr virus (EBV)-positive diffuse large B-cell lymphomas (DLBCL) in an adrenal pseudocyst have been reported. We report an incidental EBV-positive DLBCL arising in an adrenal pseudocyst in a 58-year-old man with a 7-year history of lymphoplasmacytic lymphoma (LPL). The DLBCL was present in the fibrinous exudate, while the LPL resided in the cyst wall. The patient underwent de-roofing of the same cyst 3 years previously; review of histology revealed foci of LPL in the cyst wall, but not of DLBCL...
December 2, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27913780/multifocal-polymorphous-hemangioendothelioma-of-the-liver-case-report-and-review-of-literature
#3
Siba El Hussein, Yumna Omarzai
We report a case of polymorphous hemangioendothelioma, a rare vascular neoplasm, arising in the liver of a 51-year-old woman. Microscopically, this neoplasm is characterized by a polymorphous blend of solid, primitive vascular and angiomatous areas in variable proportions. Polymorphous hemangioendothelioma is considered to be an intermediate-grade vascular neoplasm. In most of the reported cases, its occurrence has been in lymph nodes, but a few cases have been found in extranodal sites such as the mediastinum, spinal cord, and liver...
December 2, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27903930/metachronous-uterine-endometrioid-adenocarcinoma-and-peritoneal-mesothelioma-in-lynch-syndrome-a-case-report
#4
Yuxin Lu, Sara Milchgrub, Gaurav Khatri, Purva Gopal
Lynch syndrome is a hereditary disease with germline mutation in a DNA mismatch repair gene, most often presenting with colorectal and/or endometrial carcinomas; however, the spectrum of Lynch syndrome-associated tumors is expanding. In this article, we report a case of a primary peritoneal epithelioid mesothelioma that developed in a Lynch syndrome patient 10 months after diagnosis of uterine endometrioid adenocarcinoma. To our knowledge, this is the first reported case of a Lynch syndrome patient with metachronous uterine endometrioid adenocarcinoma and primary peritoneal mesothelioma...
November 30, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27899694/non-small-cell-carcinoma-of-the-lung-with-osteoclast-like-giant-cells
#5
Hans Helmut Dahm
Carcinomas of the lung with benign osteoclast-like giant cells are rare. A literature search showed only 8 previously reported examples. These tumors resemble a giant cell tumor of bone. Many of these tumors, which occur in most epithelium-containing organs, are composed of an undifferentiated, sarcomatoid component that contains benign osteoclast-like giant cells and a conventional carcinoma. In some tumors the epithelial origin may be revealed by immunohistochemistry only; others lack any evidence of an epithelial component...
November 29, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27899693/performance-testing-of-rreb1-myb-and-ccnd1-fluorescence-in-situ-hybridization-in-spindle-cell-and-desmoplastic-melanoma-argues-for-a-two-step-test-algorithm
#6
Stephanie E Weissinger, Manfred Frick, Peter Möller, Basil A Horst, Jochen K Lennerz
Background Diagnostic confirmation of spindle-cell melanoma (SM) or desmoplastic melanoma (DM) as a melanoma can be challenging. In conventional melanoma (CM), a recently established fluorescence in situ hybridization (FISH) assay for RREB1, MYB, CCND1 can be helpful. Here, we determined the presence of RREB1, MYB, and CCND1 abnormalities in an SM/DM/mixed cohort. Methods We assembled 49 cases and performed 3 separate hybridizations for RREB1/MYB/CCND1 We assessed clinical utility in diagnostically challenging cases and performed a cost and turnaround time analysis...
November 29, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27881612/-what-s-past-is-prologue-an-uncommon-thyroid-mass
#7
Lina Irshaid, Esther Cheng, Rana S Hoda, Syed A Hoda
No abstract text is available yet for this article.
November 23, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27881611/unusual-case-of-amniotic-band-sequence
#8
Stefan Kostadinov, Svetlana Shapiro
No abstract text is available yet for this article.
November 23, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27881610/primary-leiomyosarcoma-of-the-ovarian-vein-case-report-and-literature-review
#9
María Elena López-Ruiz, Laura Yébenes, Alberto Berjón, David Hardisson
Primary leiomyosarcoma arising from the ovarian vein is extremely rare, with only 10 cases reported in the literature. We report on a case of leiomyosarcoma of the left ovarian vein in a 67-year-old woman who presented with abdominal discomfort. Pelvic ultrasound revealed a large, solid, irregular mass in close relation to the left ovary. The patient subsequently underwent a total hysterectomy with bilateral salpingo-oophorectomy. Histologically, the tumor was composed of interlacing fascicles of spindle cells with abundant eosinophilic cytoplasm, hyperchromatic nuclei, and prominent nucleoli...
November 23, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27881609/epstein-barr-virus-in-nasopharyngeal-carcinoma-of-guatemalan-and-brazilian-patients
#10
Alicia Rumayor Piña, Harim Tavares Dos Santos, Roman Carlos, Albina Altemani, Oslei Paes de Almeida
BACKGROUND: Nasopharyngeal carcinoma (NPC) is highly associated with Epstein-Barr virus (EBV), particularly the undifferentiated nonkeratinizing subtype. Prevalence of EBV in NPC in countries such as Guatemala and Brazil has not been studied. METHODS: We analyzed 19 cases of NPC, 11 from Guatemala and 8 from Brazil, for the presence of EBV by in situ hybridization and immunohistochemistry. Additionally, 19 hyperplastic adenoids from children were analyzed for EBV by in situ hybridization, 12 from Guatemala and 7 from Brazil...
November 23, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27856681/a-brief-examination-of-brunner-gland-paste
#11
LETTER
Raul S Gonzalez
No abstract text is available yet for this article.
November 16, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27852932/epididymis-like-tubules-in-adult-renal-hypodysplasia-immunohistochemical-features-indicate-a-mesonephric-origin
#12
Madhavi A Naik, Sanjay A Pai
We report the presence of epididymis-like tubules in unilateral renal hypodysplasia in 3 adult men. Microscopy showed dilated tubules lined by ciliated columnar epithelium and smaller basal cells, morphologically resembling epididymal tubules. Small tubules lined by cuboidal epithelium were also present in all cases, with glomeruli in 2 cases. The epididymis-like tubules expressed CD10, CK7, PAX8, and AR in the luminal epithelium, while the basal cells were positive for p63, CK7, and focally for CD10. The smooth muscle bundles around the epididymis-like tubules were focally AR and WT1 (cytoplasmic) positive...
November 16, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27831533/tumiform-laryngeal-histoplasmosis
#13
Shivani Sharma, Smeeta Gajendra, Lipika Lipi, Ritesh Sachdev
No abstract text is available yet for this article.
November 9, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27831532/multifocal-invasive-ductal-cancer-distinguishing-independent-tumor-foci-from-multiple-satellites
#14
Melissa Alexander, Gabriel Acosta Gonzalez, Stefano Malerba, Tsivia Hochman, Judith D Goldberg, Farbod Darvishian
Patients with multifocal breast cancers (MBCs) have a poorer prognosis than patients with unifocal breast cancers. Studies have attributed this to tumor size underestimation in MBC. An alternative hypothesis is that some MBCs behave in a fashion analogous to the "satellite" and "in-transit metastasis" observed in melanoma and, thereby, are more clinically aggressive. We identified 79 cases of MBC, which we classified into 2 groups: study cases defined as ≥2 morphologically similar tumor foci with ≥1 focus without in situ carcinoma (n = 21); and a control group defined as ≥2 morphologically similar or dissimilar foci with associated in situ carcinoma in all foci (n = 58)...
November 9, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27831531/subareolar-sclerosing-ductal-hyperplasia-further-characterization-of-a-distinctive-clinicopathological-entity
#15
REVIEW
Esther Cheng, Timothy M D'Alfonso, Maria Arafah, Rebecca Marrero Rolon, Paula S Ginter, Syed A Hoda
Subareolar sclerosing duct hyperplasia (SSDH) remains to be fully characterized nearly 20 years after initial description. Thirty-five SSDH cases diagnosed over a 16-year period (January 2000 to December 2015) were reviewed. All patients were female (mean age = 59 years, range = 18-80) who had presented with a unilateral solitary lesion (left 22, right 13) with a mean size of 1.3 cm (range = 0.4-3.0 cm), and showed florid and papillary epithelial hyperplasia with dense sclerosis without involvement of nipple or areolar epidermis...
November 9, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27831530/male-breast-carcinoma-a-clinical-and-pathological-review
#16
REVIEW
Sara Javidiparsijani, Lauren E Rosen, Paolo Gattuso
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 similarities with female breast carcinoma (FBC). This review will address the important clinical, histopathological, immunohistochemical and molecular features, genetics, management, and prognosis of MBC...
November 9, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27811185/does-identifying-whether-pseudoangiomatous-stromal-hyperplasia-pash-is-focal-or-diffuse-on-core-biopsy-correlate-with-a-pash-nodule-on-excision
#17
Gabriela Rosa, Andrea Dawson, J Jordi Rowe
Aims Pseudoangiomatous stromal hyperplasia (PASH) diagnosed on core needle biopsy is generally excised. As a consequence, PASH as an incidental finding, may lead to unnecessary excisions. This study categorized PASH in biopsies as diffuse versus focal to determine if this correlates with the presence of a mass. Methods In a 10-year period, 253 biopsies were identified and 159 met inclusion criteria. Of these, 47 biopsies had excisions. Biopsies and excisions were classified as diffuse, involving 2 adjacent lobules, or focal PASH in a single lobule or noncontiguous lobules...
November 2, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27784831/spectrum-of-clinicopathological-deviations-in-long-segment-hirschsprung-disease-compared-with-short-segment-hirschsprung-disease-a-single-institution-study
#18
Hussein Alnajar, Diana Murro, Alaa Alsadi, Shriram Jakate
Hirschsprung disease (HSCR) is a congenital disorder characterized by intestinal aganglionosis leading to pseudoobstruction. The majority of cases are limited to the rectum or rectosigmoid (S-HSCR). A variably longer segment can be affected (L-HSCR), which may show many deviations from S-HSCR. We retrospectively reviewed 48 clinicopathologically confirmed total cases of HSCR at a single institution in a 21-year period to identify L-HSCR cases and determine their deviations from known features of S-HSCR. Eight L-HSCR cases were found where aganglionosis extended to the terminal ileum (7/8) or to the splenic flexure (1/8)...
October 26, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27777331/pseudolipomatosis-in-endometrial-specimens-does-not-represent-uterine-perforation
#19
Alexis Heller
BACKGROUND: Specimens of endometrial biopsies can sometimes present with an artifact within blood, composed of optically clear vacuoles mimicking adipose tissue, pseudolipomatosis. This artifact can be mistaken for adipose tissue and lead to an overdiagnosis of uterine perforation. CASE: We describe the case of pseudolipomatosis seen within the evacuated products of conception from a missed abortion. RESULTS: Areas of vacuolization in the blood clot mimicked adipose tissue...
October 24, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27829211/metastatic-papillary-thyroid-carcinoma-with-adjacent-braf-v600e-mutated-squamous-cell-carcinoma
#20
Asha Rupani, Owain R Hughes, John Watkinson, Christopher M Nutting, Khin Thway
No abstract text is available yet for this article.
October 21, 2016: International Journal of Surgical Pathology
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