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Diagnostic Pathology

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https://www.readbyqxmd.com/read/28923119/alk-positive-gastric-inflammatory-myofibroblastic-tumor-in-an-adult-with-familial-adenomatous-polyposis-and-diffuse-fundic-polyposis
#1
Jun Fan, Bo Huang, Xiuping Yang, Ming Yang, Jun He, Xiu Nie
BACKGROUND: Inflammatory myofibroblastic tumor (IMT) of the stomach is extremely rare in adults and exhibits a variable biological behavior that ranges from frequently benign lesions to more aggressive variants. Here we report a case of gastric IMT with lymph node metastasis in an adult who had undergone total colectomy for familial adenomatous polyposis (FAP). CASE PRESENTATION: A 37-year-old man presented gradual-onset epigastric discomfort; he had undergone total colectomy for FAP 6 years before...
September 18, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28923066/data-integration-from-pathology-slides-for-quantitative-imaging-of-multiple-cell-types-within-the-tumor-immune-cell-infiltrate
#2
Zhaoxuan Ma, Stephen L Shiao, Emi J Yoshida, Steven Swartwood, Fangjin Huang, Michael E Doche, Alice P Chung, Beatrice S Knudsen, Arkadiusz Gertych
BACKGROUND: Immune cell infiltrates (ICI) of tumors are scored by pathologists around tumor glands. To obtain a better understanding of the immune infiltrate, individual immune cell types, their activation states and location relative to tumor cells need to be determined. This process requires precise identification of the tumor area and enumeration of immune cell subtypes separately in the stroma and inside tumor nests. Such measurements can be accomplished by a multiplex format using immunohistochemistry (IHC)...
September 18, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28882151/retraction-note-astragalus-saponins-affect-proliferation-invasion-and-apoptosis-of-gastric-cancer-bgc-823-cells
#3
Tao Wang, Xiaoyan Xuan, Min Li, Ping Gao, Yuling Zheng, Wenqiao Zang, Guoqiang Zhao
No abstract text is available yet for this article.
September 7, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28851404/computer-assisted-stereology-and-automated-image-analysis-for-quantification-of-tumor-infiltrating-lymphocytes-in-colon-cancer
#4
Ann C Eriksen, Johnnie B Andersen, Martin Kristensson, René dePont Christensen, Torben F Hansen, Sanne Kjær-Frifeldt, Flemming B Sørensen
BACKGROUND: Precise prognostic and predictive variables allowing improved post-operative treatment stratification are missing in patients treated for stage II colon cancer (CC). Investigation of tumor infiltrating lymphocytes (TILs) may be rewarding, but the lack of a standardized analytic technique is a major concern. Manual stereological counting is considered the gold standard, but digital pathology with image analysis is preferred due to time efficiency. The purpose of this study was to compare manual stereological estimates of TILs with automatic counts obtained by image analysis, and at the same time investigate the heterogeneity of TILs...
August 29, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28851389/immunohistochemical-staining-with-non-phospho-%C3%AE-catenin-as-a-diagnostic-and-prognostic-tool-of-cox-2-inhibitor-therapy-for-patients-with-extra-peritoneal-desmoid-type-fibromatosis
#5
Tomohisa Sakai, Yoshihiro Nishida, Shunsuke Hamada, Hiroshi Koike, Kunihiro Ikuta, Takehiro Ota, Naoki Ishiguro
BACKGROUND: Immunohistochemical staining with conventional anti-β-catenin antibody has been applied as a diagnostic tool for desmoid-type fibromatosis (DF). This study aimed to evaluate the diagnostic and prognostic value of immunohistochemical staining with anti-non-phospho β-catenin antibody, which might more accurately reflect the aggressiveness of DF, in comparison to the conventional anti-β-catenin antibody. METHODS: Between 2003 and 2015, 40 patients with extra-peritoneal sporadic DF were prospectively treated with meloxicam or celecoxib, a COX-2 inhibitor, therapy...
August 29, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28841919/mesonephric-adenocarcinoma-of-the-uterine-corpus-with-intracystic-growth-completely-confined-to-the-myometrium-a-case-report-and-literature-review
#6
Hiroka Ando, Yuko Watanabe, Minori Ogawa, Hiromi Tamura, Tomomi Deguchi, Kayo Ikeda, Mayumi Fujitani, Mitsunori Shioji, Tomoko Tsujie, Reiko Doi, Akinori Wakimoto, Shiro Adachi
BACKGROUND: Mesonephric adenocarcinoma (MA) is a rare tumor believed to arise from mesonephric remnants occurring mostly in the uterine cervix and, to a lesser extent, the corpus. Since the first case report of MA in the corpus in 1995, only 16 cases have been reported in the English literature. A recent report suggested that MA originates in Müllerian tissue and exhibits the mesonephric differentiation phenotype. CASE PRESENTATION: An asymptomatic 61-year-old woman was referred to our hospital because of elevated levels of tumor markers...
August 25, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28841887/a-case-of-intravascular-large-b-cell-lymphoma-presenting-as-nodular-goiter
#7
Bo Luo, Jia-Mei Chen, Jie Liu, Wen-He Li, Yu-Xiang Shi, Pan Zeng, Yong-Hui Xie, Hong-Feng Zhang
BACKGROUND: Intravascular large B-cell lymphoma (IVLBCL) is a subtype of diffuse large B-cell lymphoma (DLBCL) that is rare and highly aggressive and that may progressively involve many organs. CNS (central nervous system), BM (bone marrow) and skin are the most common systems involved. To date, only 2 cases of IVLBCL involving the thyroid have been reported. CASE PRESENTATION: Here, we report a case of IVLBCL involving the thyroid and accompanied by bilateral nodular goiter...
August 25, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28830562/ciliated-muconodular-papillary-tumors-of-the-lung-with-kras-braf-akt1-mutation
#8
Emiko Udo, Bungo Furusato, Kazuko Sakai, Leah M Prentice, Tomonori Tanaka, Yuka Kitamura, Tomoshi Tsuchiya, Naoya Yamasaki, Takeshi Nagayasu, Kazuto Nishio, Junya Fukuoka
BACKGROUND: Ciliated muconodular papillary tumors (CMPTs) are newly recognized rare peripheral lung nodules that are histologically characterized by ciliated columnar, goblet, and basal cells. Although recent studies have shown that CMPTs constitute a neoplastic disease, the complete histogenesis of CMPTs is not fully understood and molecular data are limited. METHODS: We reviewed four cases of CMPT and performed immunohistochemical and genomic analyses to establish CMPT profiles...
August 22, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28814334/abernethy-malformation-associated-with-caroli-s-syndrome-in-a-patient-with-a-pkhd1-mutation-a-case-report
#9
Xiao-Xiao Mi, Xiao-Guang Li, Zi-Rong Wang, Ling Lin, Chun-Hai Xu, Jun-Ping Shi
BACKGROUND: Abernethy malformation is a rare congenital anomaly characterised by the partial or complete absence of the portal vein and the subsequent development of an extrahepatic portosystemic shunt. Caroli's disease is a rare congenital condition characterised by non-obstructive saccular intrahepatic bile duct dilation. Caroli's disease combined with congenital hepatic fibrosis and/or renal cystic disease is referred to - Caroli's syndrome. The combination of Abernethy malformation and Caroli's syndrome has not been reported previously...
August 16, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28810922/pleural-epithelioid-angiosarcoma-with-lymphatic-differentiation-arisen-after-radiometabolic-therapy-for-thyroid-carcinoma-immunohistochemical-findings-and-review-of-the-literature
#10
REVIEW
Daniela Cabibi, Giulia Pipitone, Rossana Porcasi, Sabrina Ingrao, Ignazio Benza, Calogero Porrello, Massimo Cajozzo, Antonino Giulio Giannone
BACKGROUND: Pleural angiosarcoma is a rare tumor that causes diffuse pleural thickening and effusion, mimicking mesothelioma. Immunohistochemistry is needed to highlight endothelial differentiation. We describe the first case of pleural angiosarcoma with lymphatic differentiation following radiometabolic therapy for thyroid carcinoma. CASE PRESENTATION: A 50-year-old man showed diffuse pleural thickening and effusion. Nine years earlier, he underwent thyroidectomy and radiometabolic therapy for thyroid carcinoma with lymph node metastases...
August 15, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28778176/localized-amyloidosis-of-the-epididymis-a-previously-unreported-phenomenon
#11
Lucio Díaz-Flores, Ricardo Gutiérrez, Ma Del Pino García, Manuel Jose Gayoso, Jose Luis Carrasco, Lucio Díaz-Flores, Hugo Álvarez-Argüelles
BACKGROUND: Localized amyloidosis has not been documented in the epididymis; we report this phenomenon for the first time. CASE PRESENTATION: The first aim of this work is to report three cases of localized epididymal amyloidosis. Two cases were clinically detected as epididymal nodules, and a third after reviewing 120 epididymides obtained with neighbouring pathological processes. Amyloid deposits showed Congo red positivity, with yellow-green birefringence, and immunohistochemical expression for light chains kappa and lambda, transthyretin, amyloid P and cytokeratin AE1 AE3...
August 4, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28778171/gene-expression-profiling-in-uveal-melanoma-technical-reliability-and-correlation-of-molecular-class-with-pathologic-characteristics
#12
Kristen M Plasseraud, Jeff K Wilkinson, Kristen M Oelschlager, Trisha M Poteet, Robert W Cook, John F Stone, Federico A Monzon
BACKGROUND: A 15-gene expression profile test has been clinically validated and is widely utilized in newly diagnosed uveal melanoma (UM) patients to assess metastatic potential of the tumor. As most patients are treated with eye-sparing radiotherapy, there is limited tumor tissue available for testing, and technical reliability and success of prognostic testing are critical. This study assessed the analytical performance of the 15-gene expression test for UM and the correlation of molecular class with pathologic characteristics...
August 4, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28764742/pancreatic-gangliocytic-paraganglioma-harboring-lymph-node-metastasis-a-case-report-and-literature-review
#13
Keisuke Nonaka, Yoko Matsuda, Akira Okaniwa, Atsuko Kasajima, Hironobu Sasano, Tomio Arai
BACKGROUND: Gangliocytic paraganglioma (GP) is a rare neuroendocrine neoplasm, which occurs mostly in the periampullary portion of the duodenum; the majority of the reported cases of duodenal GP has been of benign nature with a low incidence of regional lymph node metastasis. GP arising from the pancreas is extremely rare. To date, only three cases have been reported and its clinical characteristics are largely unknown. CASE PRESENTATION: A nodule located in the pancreatic head was incidentally detected in an asymptomatic 68-year-old woman...
August 2, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28764740/variation-of-stemness-markers-expression-in-tumor-nodules-from-synchronous-multi-focal-hepatocellular-carcinoma-an-immunohistochemical-study
#14
Regina Cheuk-Lam Lo, Carmen Oi-Ning Leung, Kenneth Siu-Ho Chok, Irene Oi-Lin Ng
BACKGROUND: Advancing knowledge in molecular pathogenesis of hepatocellular carcinoma (HCC) opens up new horizons in the diagnostic, prognostic and therapeutic perspectives. Assessing the expression of molecular targets prior to definitive treatment is gaining importance in clinical practice. In this study, we investigated the variation in expression pattern of stemness markers in synchronous multi-focal HCC. METHODS: In the first cohort, 21 liver explants with multi-focal HCC were examined for expression of stemness markers EpCAM, Sox9 and CK19 by immunohistochemistry (IHC)...
August 1, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28743306/detection-of-22-common-leukemic-fusion-genes-using-a-single-step-multiplex-qrt-pcr-based-assay
#15
Xiaodong Lyu, Xianwei Wang, Lina Zhang, Zhenzhu Chen, Yu Zhao, Jieying Hu, Ruihua Fan, Yongping Song
BACKGROUND: Fusion genes generated from chromosomal translocation play an important role in hematological malignancies. Detection of fusion genes currently employ use of either conventional RT-PCR methods or fluorescent in situ hybridization (FISH), where both methods involve tedious methodologies and require prior characterization of chromosomal translocation events as determined by cytogenetic analysis. In this study, we describe a real-time quantitative reverse transcription PCR (qRT-PCR)-based multi-fusion gene screening method with the capacity to detect 22 fusion genes commonly found in leukemia...
July 25, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28738880/level-of-mitoses-in-non-muscle-invasive-papillary-urothelial-carcinomas-pta-and-pt1-at-initial-bladder-biopsy-is-a-simple-and-powerful-predictor-of-clinical-outcome-a-multi-center-study-in-south-korea
#16
Ji Eun Kwon, Nam Hoon Cho, Yeong-Jin Choi, So Dug Lim, Yong Mee Cho, Sun Young Jun, Sanghui Park, Young A Kim, Sung-Sun Kim, Mi Sun Choe, Jung-Dong Lee, Dae Yong Kang, Jae Y Ro, Hyun-Jung Kim
BACKGROUND: Histologic grade is the most important predictor of the clinical outcome of non-muscle invasive (Ta, T1) papillary urothelial carcinoma (NMIPUCa), but its ambiguous criteria diminish its power to predict recurrence/progression for individual patients. We attempted to find an objective and reproducible histologic predictor of NMIPUCa that correlates well with the clinical outcome. METHODS: A total of 296 PUCas were collected from the Departments of Surgical Pathology of 11 institutions in South Korea...
July 24, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28720116/retraction-note-the-microrna-1246-promotes-metastasis-in-non-small-cell-lung-cancer-by-targeting-cytoplasmic-polyadenylation-element-binding-protein
#17
Weihua Huang, Huifen Li, Rongcheng Luo
No abstract text is available yet for this article.
July 18, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28693516/pancreatic-metastasis-from-invasive-pleomorphic-lobular-carcinoma-of-the-breast-a-rare-case-report
#18
Xiangjie Sun, Ke Zuo, Dan Huang, Baohua Yu, Yufan Cheng, Wentao Yang
BACKGROUND: Invasive pleomorphic lobular carcinoma (PLC) is an aggressive subtype of invasive lobular carcinoma of the breast, which has its own histopathological and biological features. The metastatic patterns for PLC are distinct from those of invasive ductal carcinoma. In addition, pancreatic metastasis from PLC is extremely rare. CASE PRESENTATION: We report a rare case of a 48-year-old woman presenting with clinical gastrointestinal symptoms and pancreatic metastasis of PLC...
July 11, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28693610/gata3-is-a-sensitive-marker-for-primary-genital-extramammary-paget-disease-an-immunohistochemical-study-of-72-cases-with-comparison-to-gross-cystic-disease-fluid-protein-15
#19
Ming Zhao, Lixin Zhou, Li Sun, Yan Song, Yunquan Guo, Xun Zhang, Feng Zhao, Peng Wang, Junqiu Yue, Dongfeng Niu, Zhongwu Li, Xiaozheng Huang, Qiang Kang, Lin Jia, Jinping Lai, Dengfeng Cao
BACKGROUND: GATA-binding protein 3 (GATA3) has been identified as a sensitive marker for breast carcinoma but its sensitivity in primary genital extramammary Paget diseases (EMPDs) has not been well studied. METHODS: Here we investigated immunohistochemical expression of GATA3 in 72 primary genital EMPDs (35 from female, 37 from male; 45 with intraepithelial disease only, 26 with both intraepithelial disease and invasive adenocarcinoma including 14 also metastasis, 1 with metastatic adenocarcinoma only for study)...
July 10, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28687087/a-rare-case-of-malignant-solitary-fibrous-tumor-in-prostate-with-review-of-the-literature
#20
Andrea Ronchi, Elvira La Mantia, Vincenzo Gigantino, Sisto Perdonà, Marco De Sio, Gaetano Facchini, Renato Franco, Annarosaria De Chiara
BACKGROUND: Solitary fibrous tumor is an uncommon soft tissue neoplasm with intermediate biological behavior, which rarely metastasizes. Malignant solitary fibrous tumor, although not clearly defined, is rarely described in the prostate. The present case is characterized by some peculiarities if compared with previously reported cases of prostatic malignant solitary fibrous tumor. Firstly, it does not show a homogeneous morphology: part of the neoplasm (about 50%) showed the features of a conventional solitary fibrous tumor, while the remaining part showed the features of a malignant solitary fibrous tumor...
July 7, 2017: Diagnostic Pathology
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