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https://www.readbyqxmd.com/read/28811252/expression-of-alcam-cd166-and-pd-l1-cd274-independently-predicts-shorter-survival-in-malignant-pleural-mesothelioma
#1
Shingo Inaguma, Jerzy Lasota, Zengfeng Wang, Piotr Czapiewski, Renata Langfort, Janusz Rys, Joanna Szpor, Piotr Waloszczyk, Krzysztof Okoń, Wojciech Biernat, Hiroshi Ikeda, David S Schrump, Raffit Hassan, Markku Miettinen
Diffuse malignant mesothelioma of the pleura is a highly aggressive tumor typically associated with short survival. ALCAM (CD166), a type I transmembrane protein, is a member of the immunoglobulin superfamily. In normal cells, ALCAM regulates physiological processes such as angiogenesis and immune response. In cancer, it is associated with neoplastic progression, including invasion, migration, and metastasis. Furthermore, ALCAM is considered one of the cancer stem cell markers such as ALDH1 (ALDH1A1) and SALL4...
August 12, 2017: Human Pathology
https://www.readbyqxmd.com/read/28810297/-clinical-and-pathologic-features-of-extrapleural-sarcomatoid-mesothelioma
#2
M C Wei, S J Yang
Objective: To investigate the morphological features, diagnosis and differential diagnosis of extrapleural sarcomatoid malignant mesothelioma (SMM). Methods: Six cases of extrapleural SMM were evaluated for their clinical, histological, immunohistochemical features, and prognosis. Results: Patients included 3 men and 3 women, with a median age of 60 years (range 41-75 years). All patients had no asbestos exposure in history and no pleural lesions. The tumors involved peritoneum (3 cases), bone (2 cases), and neck soft tissue (1 case)...
August 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28803448/microvascular-and-lymphovascular-tumor-invasion-are-associated-with-poor-prognosis-and-metastatic-spread-in-renal-cell-carcinoma-a-validation-study-in-clinical-practice
#3
Jens Bedke, Johannes Heide, Silvia Ribback, Steffen Rausch, Michela de Martino, Marcus Scharpf, Andrea Haitel, Uwe Zimmermann, Maik Pechoel, Hussam Alkhayyat, Shahrokh F Shariat, Frank Dombrowski, Arnulf Stenzl, Martin Burchardt, Tobias Klatte, Nils Kroeger
OBJECTIVE: To validate microvascular (MVI) and lymphovascular (LVI) invasion as a prognostic factor in renal cell carcinoma patients (pts.) MATERIALS AND METHODS: Data of patients with RCC who underwent radical or nephron sparing surgery were prospectively collected from three academic centers. The occurrence of MVI and LVI was determined with standard staining protocols by experienced pathologists at the time of diagnosis. The association of MVI and LVI with clinicopathological data, metastatic spread and cancer-specific survival (CSS) was evaluated with Fisher's exact tests, binary logistic regression analyses and univariable and multivariable Cox proportional hazard regression models...
August 13, 2017: BJU International
https://www.readbyqxmd.com/read/28801324/mechanical-thrombectomy-for-repeated-cerebral-tumor-embolism-from-a-thoracic-sarcomatoid-carcinoma
#4
Raoul Pop, Dan Mihoc, Monica Manisor, Johann Sebastian Richter, Veronique Lindner, Ralf Janssen-Langenstein, Mihaela Simu, Valerie Wolff, Remy Beaujeux
Cerebral embolism originating from intracardiac tumors represents a rare cause of stroke and has been documented in both adult and pediatric populations. We present a patient recently diagnosed with a right pulmonary hilum tumor, invading the pulmonary veins and the left atrium. Two consecutive episodes of large cerebral vessel occlusion in separate vascular territories occurred in the same day and were treated by mechanical thrombectomy. Embolic material retrieved on both occasions contained tumor fragments with peripheral endothelialization...
August 11, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28798002/sarcomatoid-carcinoma-of-the-maxilla-a-case-report-with-literature-review
#5
Lahcen Khalfi, Yassine Ziani, Mouna Kairouani, Odry Agbessi, Mohammed Kamal Fiqhi, Alae Guerrouani, Karim El Khatib
Sarcomatoid carcinoma is a very rare malignant and aggressive tumor that can involve the maxillary sinus. We report the case of a 46 y/o male who presented a tumor of the right maxillary sinus with extension to the right nasal cavity. The diagnosis of sarcomatoid carcinoma was set by histology and immunohistochemistry. The patient received concomitant cisplatin based chemoradiotherapy with no response after 3 months of treatment. He died 6 months later. Through the present case and the review of literature we discuss all aspects of this entity: clinical presentation, differential diagnoses, pathology, treatment and prognosis...
May 2017: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28795841/serous-carcinoma-mimicking-primary-urothelial-carcinoma-on-clinical-evaluation-and-pathology-a-potential-diagnostic-pitfall
#6
Leili Mirsadraei, Alexey Hodkoff, Karra Jones, Ahmed Shabaik, A Karim Kader, Cheryl C Saenz, Rodolfo Montironi, David E Tacha, Oluwole Fadare, Donna E Hansel
CONTEXT: - Serous carcinoma of the gynecologic tract often involves the external bladder wall and can occasionally mimic primary urothelial carcinoma of the bladder. OBJECTIVE: - To define the spectrum of morphologic and immunohistochemical features that characterize serous carcinoma involving the bladder wall and its distinction from urothelial carcinoma. DESIGN: - We reviewed all cases of serous carcinoma secondarily involving the bladder wall from the University of California San Diego and Polytechnic Institute for histopathologic and immunohistochemical features...
August 10, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28782639/the-differential-diagnosis-between-pleural-sarcomatoid-mesothelioma-and-spindle-cell-pleomorphic-sarcomatoid-carcinomas-of-the-lung-evidence-based-guidelines-from-the-international-mesothelioma-panel-and-the-mesopath-national-reference-center
#7
Alberto M Marchevsky, Nolwenn LeStang, Kenzo Hiroshima, Giuseppe Pelosi, Richard Attanoos, Andrew Churg, Lucien Chirieac, Sanja Dacic, Aliya Husain, Andras Khoor, Sonja Klebe, Silvie Lantuejoul, Victor Roggli, Jean-Michel Vignaud, Birgit Weynand, Jennifer Sauter, Douglas Henderson, Kazuki Nabeshima, Francoise Galateau-Salle
Immunohistochemistry is used to distinguish sarcomatoid malignant mesotheliomas (SMM) from spindle cell and pleomorphic carcinomas (SPC) but there are no guidelines on how to interpret cases that show overlapping or equivocal immunohistochemical findings. A systematic literature review of the immunophenotype of these lesions was performed and the experience with 587 SMM and 46 SPC at MESOPATH was collected. Data were analyzed with Comprehensive Meta-Analysis 2.0 software (Biostast, Englewood N.J.). There were insufficient data to evaluate the differential diagnosis between SPC and localized SMM or peritoneal SMM...
August 4, 2017: Human Pathology
https://www.readbyqxmd.com/read/28781811/unusual-recurrent-tongue-spindle-cell-carcinoma-with-marked-anaplasia-occurring-at-the-site-of-glossectomy-for-a-well-differentiated-squamous-cell-carcinoma-a-case-report
#8
Kohei Okuyama, Shuichi Fujita, Souichi Yanamoto, Tomofumi Naruse, Yuki Sakamoto, Akiko Kawakita, Keisuke Omori, Hiroki Tsuchihashi, Masahiro Umeda
Spindle cell carcinoma (SpCC), which predominantly arises in the oral, pharyngeal and laryngeal mucosal tissues, is composed of a mixture of squamous and sarcomatoid components. The present study describes the case of a 62-year-old woman with SpCC recurrence 4 years after an initial surgery to remove a well-differentiated primary squamous cell carcinoma (SCC) of the tongue. The recurrent tumor was spherical and located deep within the tongue tissue, which differs from the typical manifestation of ulcerated masses of the mucosa...
September 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28778070/the-association-between-renal-sinus-fat-area-and-the-progression-free-survival-in-chinese-non-metastatic-clear-cell-renal-cell-carcinoma-patients
#9
Haichao Huang, Shi Chen, Wei Yu, Zirong Ye, Wei Li, Jinchun Xing, Xiurong Wu
In this retrospective study, we evaluated the association between renal sinus fat area (RSFA) and survival in 268 Chinese non-metastatic clear-cell renal cell carcinoma (ccRCC) patients. Patients with high RSFA exhibited better progression-free survival than those with low RSFA in both univariable (HR: 0.240; 95% CI: 0.119-0.482; p < 0.001) and multivariable (HR: 0.432; 95% CI: 0.369-2.749; p = 0.027) analyses. A propensity-score matched (PSM) analysis using Kaplan-Meier curves confirmed our findings (log-rank test; p = 0...
July 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28762391/kidney-cancer-deciphering-sarcomatoid-rcc
#10
Clemens Thoma
No abstract text is available yet for this article.
August 1, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/28749793/pax8-expression-in-solitary-fibrous-tumor-a-potential-diagnostic-pitfall
#11
David Ullman, Jennifer Gordetsky, Gene P Siegal, Carlos N Prieto-Granada, Shi Wei, Todd M Stevens
PAX8 is used as a diagnostic aid in classifying retroperitoneal (RP) spindle cell tumors. PAX8 positivity in a spindled RP tumor is typically associated with sarcomatoid renal cell carcinoma (SRCC). However, PAX8 expression in solitary fibrous tumor (SFT), a tumor not uncommon to the RP, has not been extensively studied. We investigated the expression of PAX8 in SFTs and other spindle cell RP tumors. We collected 30 SFT, 23 SRCC, 11 gastrointestinal stromal tumors, 2 synovial sarcomas, 6 dedifferentiated liposarcomas (DDLS), 4 well differentiated liposarcomas (WDLS), and select other tumors...
July 26, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28743155/neoadjuvant-chemotherapy-prior-to-radical-cystectomy-for-muscle-invasive-bladder-cancer-with-variant-histology
#12
Malte W Vetterlein, Stephanie A M Wankowicz, Thomas Seisen, Richard Lander, Björn Löppenberg, Felix K-H Chun, Mani Menon, Maxine Sun, Justine A Barletta, Toni K Choueiri, Joaquim Bellmunt, Quoc-Dien Trinh, Mark A Preston
BACKGROUND: Neoadjuvant chemotherapy in pure urothelial bladder cancer provides a significant survival benefit. However, to the authors' knowledge, it is unknown whether this benefit persists in histological variants. The objective of the current study was to assess the effect of neoadjuvant chemotherapy on the probability of non-organ-confined disease and overall survival after radical cystectomy (RC) in patients with histological variants. METHODS: Querying the National Cancer Data Base, the authors identified 2018 patients with histological variants who were undergoing RC for bladder cancer between 2003 and 2012...
July 25, 2017: Cancer
https://www.readbyqxmd.com/read/28736828/genomic-and-metabolic-characterization-of-a-chromophobe-renal-cell-carcinoma-cell-line-model-uok276
#13
Youfeng Yang, Cathy D Vocke, Christopher J Ricketts, Darmood Wei, Hesed M Padilla-Nash, Martin Lang, Carole Sourbier, J Keith Killian, Shawna L Boyle, Robert Worrell, Paul S Meltzer, Thomas Ried, Maria J Merino, Adam R Metwalli, W Marston Linehan
Chromophobe renal cell carcinoma (ChRCC) represents 5% of all RCC cases and frequently demonstrates multiple chromosomal losses and an indolent pattern of local growth, but can demonstrate aggressive features and resistance to treatment in a metastatic setting. Cell line models are an important tool for the investigation of tumor biology and therapeutic drug efficacy. Currently, there are few ChRCC-derived cell lines and none is well characterized. This study characterizes a novel ChRCC-derived cell line model, UOK276...
June 9, 2017: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/28731045/renal-cell-tumors-with-clear-cell-histology-and-intact-vhl-and-chromosome-3p-a-histological-review-of-tumors-from-the-cancer-genome-atlas-database
#14
Laura Favazza, Dhananjay A Chitale, Ravi Barod, Craig G Rogers, Shanker Kalyana-Sundaram, Nallasivam Palanisamy, Nilesh S Gupta, Sean R Williamson
Clear cell renal cell carcinoma is by far the most common form of kidney cancer; however, a number of histologically similar tumors are now recognized and considered distinct entities. The Cancer Genome Atlas published data set was queried (http://cbioportal.org) for clear cell renal cell carcinoma tumors lacking VHL gene mutation and chromosome 3p loss, for which whole-slide images were reviewed. Of the 418 tumors in the published Cancer Genome Atlas clear cell renal cell carcinoma database, 387 had VHL mutation, copy number loss for chromosome 3p, or both (93%)...
July 21, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28725540/the-pathology-and-molecular-genetics-of-sarcomatoid-renal-cell-carcinoma-a-mini-review
#15
REVIEW
Shuanzeng Wei, Tahseen Al-Saleem
Sarcomatoid renal cell carcinoma is a highly aggressive tumor. It is not a distinct histologic entity as it can be found in any subtypes of renal cell carcinoma. Recent molecular and genetic evidence suggest that sarcomatoid component is transformed from a common progenitor of the associated renal cell carcinoma, and the TP53 gene plays a pivotal role in this process. The presence of sarcomatoid carcinoma indicates poor prognosis, which also correlates with the amount of the sarcomatoid component. Therefore, the presence and quantity of sarcomatoid component should be reflected in pathology reports...
2017: Journal of Kidney Cancer and VHL
https://www.readbyqxmd.com/read/28723756/pulmonary-pleomorphic-carcinoma-a-case-report-and-review-of-the-literature
#16
REVIEW
Xiangwei Zhang, Yang Wang, Linping Zhao, Haiyan Jing, Shaowei Sang, Jiajun Du
RATIONALE: Pleomorphic carcinoma (PC) is a rare malignancy of the lung. It has a dual-cell component of spindle and/or giant cells, and of epithelial cells. PATIENT CONCERNS AND DIAGNOSES: We presented a case of PC. A 69-year-old healthy asymptomatic woman who was occasionally found an abnormal shadow on her chest X-rays. A computerized tomography scan showed a mass located in the left lingular lobe and the percutaneous lung biopsy pathology confirmed sarcomatoid cancer...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28718911/clear-cell-renal-cell-carcinoma-validation-of-who-isup-grading
#17
Julien Dagher, Brett Delahunt, Nathalie Rioux-Leclercq, Lars Egevad, John R Srigley, Geoffrey Coughlin, Nigel Dunglinson, Troy Gianduzzo, Boon Kua, Greg Malone, Ben Martin, John Preston, Morgan Pokorny, Simon Wood, John Yaxley, Hemamali Samaratunga
AIM: In 2012, the International Society of Urological Pathology (ISUP) introduced a novel grading system for clear cell and papillary renal cell carcinoma (RCC) based upon increasing nucleolar prominence in grades 1 to 3, with the presence of extreme nuclear pleomorphism and/or tumour giant cells and/or sarcomatoid and/or rhabdoid differentiation as criteria for grade 4. This system is now incorporated in the latest World Health Organization renal tumour classification, being designated WHO/ISUP grading...
July 18, 2017: Histopathology
https://www.readbyqxmd.com/read/28716649/blood-platelet-volume-represents-a-novel-prognostic-factor-in-non-metastatic-renal-cell-carcinoma-patients-and-improves-the-predictive-ability-of-established-prognostic-scores
#18
Maximilian Seles, Florian Posch, Georg P Pichler, Thomas Gary, Karl Pummer, Richard Zigeuner, Georg C Hutterer, Martin Pichler
PURPOSE: The average size of blood platelets determined by the mean platelet volume (MPV), might represent a biologically meaningful parameter in carcinogenesis and potentially serve as novel prognostic biomarker in renal cell carcinoma (RCC). MATERIALS AND METHODS: In this retrospective analysis (n=652) we evaluated the potential prognostic value of MPV and its ability to improve existing risk assessment tools used in adjuvant clinical trials in non-metastatic RCC...
July 14, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28716439/renal-cell-carcinoma-unclassified-with-medullary-phenotype-poorly-differentiated-adenocarcinomas-overlapping-with-renal-medullary-carcinoma
#19
Deepika Sirohi, Steven C Smith, Chisato Ohe, Piergiuseppe Colombo, Mukul Divatia, Ema Dragoescu, Priya Rao, Michelle S Hirsch, Ying-Bei Chen, Rohit Mehra, Mahul B Amin
Renal medullary carcinoma (RMC) is a highly aggressive renal cell carcinoma, arising in the collecting system, and requiring careful correlation with status of sickle cell trait. A panel of international experts has recently proposed provisional diagnostic terminology, renal cell carcinoma, unclassified, with medullary phenotype (RCCU-MP), based on encountering an extraordinarily rare tumor with RMC morphology and immunophenotype in an individual proven not to have a hemoglobinopathy. Herein, we extend this observation to a cohort of five such tumors, morphologically similar to RMC, lacking SMARCB1 expression by immunohistochemistry, but each without evidence of a hemoglobinopathy...
July 14, 2017: Human Pathology
https://www.readbyqxmd.com/read/28712702/clinical-usefulness-of-f-18-fdg-pet-in-lymphoepithelioma-like-gastric-carcinoma
#20
Soyeon Park, Dakeun Lee, Kee Myung Lee, Sang-Uk Han, Jei Hee Lee, Su Jin Lee, Young-Sil An, Joon-Kee Yoon
PURPOSE: Lymphoepithelioma-like carcinoma (LELC) is a rare type of gastric cancer. We evaluated the clinical usefulness of F-18 FDG positron emission tomography/computed tomography (PET/CT) in LELC of stomach. MATERIALS AND METHODS: A total of 28 patients (mean age=59years) who underwent preoperative F-18 FDG PET/CT were enrolled retrospectively. Nine patients underwent follow-up F-18 FDG PET/CT. Pathologic information was obtained through gastrectomy and the association with Epstein-Barr virus (EBV) was investigated in 26 patients...
June 27, 2017: European Journal of Radiology
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