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https://www.readbyqxmd.com/read/28087131/incidence-and-effect-of-variant-histology-on-oncological-outcomes-in-patients-with-bladder-cancer-treated-with-radical-cystectomy
#1
Marco Moschini, Paolo Dell'Oglio, Roberta Luciano', Giorgio Gandaglia, Francesco Soria, Agostino Mattei, Tobias Klatte, Rocco Damiano, Shahrokh F Shariat, Andrea Salonia, Francesco Montorsi, Alberto Briganti, Renzo Colombo, Andrea Gallina
INTRODUCTION: We sought to describe incidence of histological variants after radical cystectomy (RC) due to bladder cancer (BCa). Moreover, we investigated survival outcomes accounting for this parameter. METHODS: We retrospectively evaluated data from 1,067 patients with BCa treated with RC between 1990 and 2013 at a single tertiary care referral center. All specimen were evaluated by dedicated uropathologists. Univariable and multivariable Cox regression analyses tested the effect of different histopathological variant on recurrence, cancer-specific mortality (CSM), and overall mortality (OM) after accounting for all available confounders...
January 10, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28081478/pulmonary-sarcomatoid-carcinoma-with-alk-rearrangement-frequency-clinical-pathologic-characteristics-and-response-to-alk-inhibitor
#2
Xinru Chen, Yu Zhang, Jiabin Lu, Chunwei Xu, Jianzhong Liang, Fang Wang, Wenyong Sun, Sangao Fang, Jingping Yuan, Huijuan Wang, Hui Wang, Xuewen Liu, Likun Chen
PURPOSE: The incidence of anaplastic lymphoma kinase (ALK) rearrangement in pulmonary sarcomatoid carcinoma (PSC) is controversial. In this study, we aimed to reveal the reliable frequency and the clinical-pathologic characteristics of pulmonary sarcomatoid carcinoma (PSC) with ALK rearrangement in Chinese population, and to provide insight into the translatability of anti-ALK treatment in this treatment-refractory disease. METHODS: Immunohistochemistry (IHC) using a Ventana anti-ALK (D5F3) rabbit monoclonal antibody was performed in 141 PSC specimens collected from multiple medical centers...
January 9, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28077483/primary-sarcomatoid-carcinoma-of-the-small-intestine-very-rare-and-aggressive-tumour
#3
Peter Abotaga Andrawes, Masood Shariff, Qing Chang, Roman Grinberg
Sarcomatoid carcinoma of the small intestine is a very rare and aggressive variant of small intestinal cancers with poor prognosis. The tumour primarily affects middle-aged and older patients with a mean age of 57 years at the time of presentation. We report a woman aged 58 years without any relevant medical history who presented with small intestinal obstruction. She underwent radiologic and endoscopy investigation with persistent features of small bowel obstruction. The patient was found to have a small bowel tumour causing the obstruction and underwent surgical excision of the tumour...
January 11, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28063846/systematic-expression-analysis-of-mitochondrial-complex-i-identifies-ndufs1-as-a-biomarker-in-clear-cell-renal-cell-carcinoma
#4
Jörg Ellinger, Mirjam Poss, Maria Brüggemann, Arabella Gromes, Doris Schmidt, Nadja Ellinger, Yuri Tolkach, Dimo Dietrich, Glen Kristiansen, Stefan C Müller
INTRODUCTION: Mitochondrial dysfunction is common in cancer, and the mitochondrial electron transport chain is often affected in carcinogenesis. So far, little is known about the expression of the mitochondrial complex I (NADH:ubiquinone oxidoreductase) subunits in clear-cell renal-cell carcinoma (ccRCC). MATERIALS AND METHODS: An expression profile of the mitochondrial complex I subunits was determined using the NextBio database. Subsequently, the expression of selected subunits was experimentally validated on mRNA (quantitative real-time polymerase chain reaction) and protein (Western blot analysis, immunohistochemistry) level...
December 1, 2016: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28060368/squamous-cell-carcinoma-of-the-upper-aerodigestive-tract-dysplasia-and-select-variants
#5
Bruce M Wenig
Upper aerodigestive tract (UADT) mucosal premalignant lesions include non-keratinizing and keratinizing intraepithelial dysplasia. The keratinizing type of intraepithelial dysplasia represents the majority of UADT dysplasias. Historically, grading of UADT dysplasias has followed a three tier system to include mild, moderate and severe dysplasia. Recent recommendations have introduced a two tier grading scheme to including low-grade (ie, mild dysplasia) and high-grade (moderate and severe dysplasia/carcinoma in situ) providing for better consensus among pathologists in the interpretation of such dysplastic lesions...
January 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28052688/tert-promoter-mutation-status-in-sarcomatoid-urothelial-carcinomas-of-the-upper-urinary-tract
#6
Xiaoyan Wang, Antonio Lopez-Beltran, Adeboye O Osunkoya, Mingsheng Wang, Shaobo Zhang, Darrell D Davidson, Robert E Emerson, Sean R Williamson, Puay-Hoon Tan, Hristos Z Kaimakliotis, Lee Ann Baldridge, Gregory T MacLennan, Rodolfo Montironi, Liang Cheng
AIM: To determine TERT promoter mutation status as well as the expression of PAX8, GATA3, p63, p40, p53 and uroplakin III in 17 patients with the upper urinary tract sarcomatoid urothelial carcinoma. METHODS & RESULTS:  TERT C228T mutations were found in six of 17 cases (35%). p53 was expressed in 77% of these tumors. PAX8, GATA3, p40 and uroplakin III are less frequently expressed. Lymph node metastases were present in ten cases (59%). Eight patients (47%), including all three patients with TERT mutation, died of cancer within 2 years after surgery...
January 5, 2017: Future Oncology
https://www.readbyqxmd.com/read/28044200/role-of-postoperative-radiotherapy-in-the-management-of-malignant-pleural-mesothelioma-a%C3%A2-propensity-score-matching-of-the-seer-database
#7
Omar Abdel-Rahman
INTRODUCTION: This study assessed the prognostic impact of postoperative radiotherapy in patients with surgically resected malignant pleural mesothelioma (MPM). METHODS: MPM patients diagnosed between 2000 and 2013 were identified from the SEER (Surveillance, Epidemiology, and End Results) database. A propensity-matched analysis was performed considering baseline characteristics (age, gender, race, histology, TNM stage, and type of surgery). RESULTS: A total of 2166 patients were identified...
January 2, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28043773/pulmonary-sarcomatoid-carcinoma-an-analysis-of-the-national-cancer-data-base
#8
Conor E Steuer, Madhusmita Behera, Yuan Liu, Chao Fu, Theresa W Gillespie, Nabil F Saba, Dong M Shin, Rathi N Pillai, Suchita Pakkala, Taofeek K Owonikoko, Fadlo R Khuri, Suresh S Ramalingam
INTRODUCTION: Pulmonary sarcomatoid carcinoma (PSC) is a grouping of 5 rare non-small-cell lung cancer (NSCLC) subtypes. We studied the clinical characteristics and outcomes of PSC utilizing the National Cancer Data Base (NCDB), an oncology outcomes database. METHODS: The NCDB lung cancer database was queried from 1998 to 2011 for PSC using ICD-O-3 codes. Data were extracted for patient demographics, tumor pathology, treatment, and outcomes. Overall survival (OS) data were available for patients diagnosed from 1998 to 2006 and comorbidity data from 2003 to 2011...
December 7, 2016: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28040422/pure-but-not-mixed-histologic-variants-are-associated-with-poor-survival-at-radical-cystectomy-in-bladder-cancer-patients
#9
Marco Moschini, Shahrokh F Shariat, Roberta Lucianò, David D'Andrea, Beat Foerster, Mohammad Abufaraj, Marco Bandini, Paolo Dell'Oglio, Rocco Damiano, Andrea Salonia, Francesco Montorsi, Alberto Briganti, Renzo Colombo, Andrea Gallina
PURPOSE: To evaluate the impact of pure and mixed histologic variant versus pure urothelial carcinoma in nonmetastatic bladder cancer (BCa) patients treated with radical cystectomy (RC). PATIENTS AND METHODS: We evaluated data from 1067 patients treated with RC and pelvic lymph node dissection between 1990 and 2013 at a single institution tertiary-care referral center. All specimens were evaluated by dedicated uropathologists. Univariable and multivariable Cox regression analyses tested the impact of the presence of pure and mixed histologic variants versus pure urothelial on recurrence, cancer-specific mortality, and overall mortality after accounting for all available confounders...
December 14, 2016: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28038708/usefulness-of-p16-cdkn2a-fluorescence-in-situ-hybridization-and-bap1-immunohistochemistry-for-the-diagnosis-of-biphasic-mesothelioma
#10
Di Wu, Kenzo Hiroshima, Toshikazu Yusa, Daisuke Ozaki, Eitetsu Koh, Yasuo Sekine, Shinji Matsumoto, Kazuki Nabeshima, Ayuko Sato, Tohru Tsujimura, Hisami Yamakawa, Yuji Tada, Hideaki Shimada, Masatoshi Tagawa
Malignant mesothelioma is a highly aggressive neoplasm, and the histologic subtype is one of the most reliable prognostic factors. Some biphasic mesotheliomas are difficult to distinguish from epithelioid mesotheliomas with atypical fibrous stroma. The aim of this study was to analyze p16/CDKN2A deletions in mesotheliomas by fluorescence in situ hybridization (FISH) and BAP1 immunohistochemistry to evaluate their potential role in the diagnosis of biphasic mesothelioma. We collected 38 cases of pleural mesotheliomas...
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28029662/guidance-to-rational-use-of-pharmaceuticals-in-gallbladder-sarcomatoid-carcinoma-using-patient-derived-cancer-cells-and-whole-exome-sequencing
#11
Feiling Feng, Qingbao Cheng, Liang Yang, Dadong Zhang, Shunlong Ji, Qiangzu Zhang, Yihui Lin, Fugen Li, Lei Xiong, Chen Liu, Xiaoqing Jiang
PURPOSE: Gallbladder sarcomatoid carcinoma is a rare cancer with no clinical standard treatment. With the rapid development of next generation sequencing, it has been able to provide reasonable treatment options for patients based on genetic variations. However, most cancer drugs are not approval for gallbladder sarcomatoid carcinoma indications. The correlation between drug response and a genetic variation needs to be further elucidated. EXPERIMENTAL DESIGN: Three patient-derived cells-JXQ-3D-001, JXQ-3D-002, and JXQ-3D-003, were derived from biopsy samples of one gallbladder sarcomatoid carcinoma patient with progression and have been characterized...
December 24, 2016: Oncotarget
https://www.readbyqxmd.com/read/28027731/pathologic-findings-and-long-term-results-after-surgical-treatment-for-pulmonary-sarcomatoid-tumors-a-multicenter-analysis
#12
Filippo Lococo, Cristian Rapicetta, Giuseppe Cardillo, Alessandro Stefani, Stefano Margaritora, Giovanni Leuzzi, Giulio Rossi, Leonardo Petracca Ciavarella, Uliano Morandi, Francesco Facciolo, Tommaso Ricchetti, Alfredo Cesario, Massimiliano Paci
BACKGROUND: Pulmonary sarcomatoid carcinoma (PSC) is a very rare subtype of non-small cell lung cancer (NSCLC). The aim of this study was to clarify the pathologic characteristics and long-term survival after surgical treatment in patients with PSC. METHODS: From January 2003 to December 2013, we retrospectively reviewed the clinical findings, surgical notes, and pathologic and follow-up data from 148 consecutive patients who underwent curative resection for PSC in 5 institutions...
December 24, 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28025310/sarcomatoid-carcinoma-of-the-lung-a-rare-histological-subtype-of-non-small-cell-lung-cancer-with-a-poor-prognosis-even-at-earlier-tumour-stages
#13
Christian Roesel, Sarah Terjung, Gerhard Weinreich, Thomas Hager, Eleftherios Chalvatzoulis, Martin Metzenmacher, Stefan Welter
OBJECTIVES: Pulmonary sarcomatoid carcinoma (PSC) is a rare histological subtype of non-small cell lung cancer and comprises a diagnostically and therapeutically challenging group of tumours. We explored the clinicopathological features and prognostic factors of this tumour. METHODS: We conducted a retrospective study of all patients who were treated for PSC in the Department of Thoracic Surgery between May 2005 and December 2014. Primary outcomes of interest were patient survival and prognostic factors...
December 26, 2016: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/27993578/-sarcomatoid-carcinomas-of-the-lung-a-clinicopathologic-study-of-86-cases-with-a-new-perspective-on-tumor-classification
#14
Annikka Weissferdt, Neda Kalhor, Arlene M Correa, Cesar A Moran
Pulmonary sarcomatoid carcinoma includes a heterogenous group of tumors which is difficult to diagnose and treat. We report the clinicopathological features of 86 such tumors, including 74 pleomorphic and 12 spindle cell carcinomas, and propose a novel approach to the classification of these neoplasms in an attempt to better guide patient management. The patients were 47 males and 39 females aged 36 to 87 years (mean, 63 years) who primarily presented with shortness of breath, cough and chest pain. Eighty-six percent of patients had a smoking history...
December 16, 2016: Human Pathology
https://www.readbyqxmd.com/read/27991926/chronic-inflammation-initiates-multiple-forms-of-k-ras-independent-mouse-pancreatic-cancer-in-the-absence-of-tp53
#15
A K Swidnicka-Siergiejko, S B Gomez-Chou, Z Cruz-Monserrate, D Deng, Y Liu, H Huang, B Ji, N Azizian, J Daniluk, W Lu, H Wang, A Maitra, C D Logsdon
Chronic inflammation (CI) is a risk factor for pancreatic cancer (PC) including the most common type, ductal adenocarcinoma (PDAC), but its role and the mechanisms involved are unclear. To investigate the role of CI in PC, we generated genetic mouse models with pancreatic specific CI in the presence or absence of TP53. Mice were engineered to express either cyclooxygenase-2 (COX-2) or IκB kinase-2 (IKK2), and TP53(+/+) or TP53(f/f) specifically in adult pancreatic acinar cells by using a full-length pancreatic elastase promoter-driven Cre...
December 19, 2016: Oncogene
https://www.readbyqxmd.com/read/27931799/oncocytic-papillary-renal-cell-carcinoma-a-clinicopathological-and-genetic-analysis-and-indolent-clinical-course-in-14-cases
#16
Guiyan Han, Wenjuan Yu, Jing Chu, Yan Liu, Yanxia Jiang, Yujun Li, Wei Zhang
A sort of PRCC with distinct eosinophilic cytoplasm named Oncocytic Papillary Renal Cell Carcinoma (OPRCC) has been increasingly attracting the attention of researchers recently. However, owing to the rarity of OPRCC, the clinicopathological and genetic features of the tumor have still not been well elucidated and whether it should be regarded as an independent subtype of PRCC remains controversial. Herein, a cohort of 14 OPRCCs was studied with the aim of revealing the distinct clinicopathological features, facilitating the classification and correct diagnosis of OPRCC...
January 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/27919132/-a-case-of-penile-squamous-cell-carcinoma-sarcomatoid-subtype
#17
Tomoki Yamamoto, Takuya Owari, Yuta Toyoshima, Tomonori Nakahama, Satoshi Takada, Yoshihiro Matsumoto, Ikuko Torii, Hitoshi Momose
A 70-year-old man was referred to our department for further examination and treatment of a painless penile mass of about 2cm. The patient first noticed the mass onlya few weeks before presentation. Diagnostic biopsy was interpreted as leiomyosarcoma. Through systemic examinations the clinical stage of his disease was diagnosed as cT2N0M0 and we performed total penectomy. Histopathological examination for the totallyresected tissue disclosed the concomitant presence of regions compatible to squamous cell carcinoma and the results of immunohistochemistrywere compatible with the diagnosis of squamous cell carcinoma, sarcomatoid subtype of the penis...
October 2016: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/27900023/synchronous-papillary-urothelial-carcinoma-of-the-bladder-and-squamous-cell-carcinoma-with-sarcomatoid-differentiation-a-case-report
#18
Mahizer Yaldiz, Nur Cihan Cosansu, Berna Solak, Zeynep Kahyaoglu, Mustafa Teoman Erdem
The incidence rate of multiple primary tumors is 37% in all types of cancer. A patient diagnosed with primary cancer is 1.29 times more likely to develop an additional primary cancer when compared with the general population. Furthermore, in patients diagnosed with primary cancer, the possibility of a secondary malignancy in the same or different organ is increased. Following the identification of a secondary tumor, the risk of relapse or metastasis must be considered. The present study reports the case of a 76-year-old man who was admitted to Sakarya University Training and Research Hospital (Sakarya, Turkey) with swelling of the head, which had been apparent for 15 days...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27899694/non-small-cell-carcinoma-of-the-lung-with-osteoclast-like-giant-cells
#19
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/27891517/prognostic-significance-of-preoperative-neutrophil-to-lymphocyte-ratio-in-nonmetastatic-renal-cell-carcinoma-a-large-multicenter-cohort-analysis
#20
Seok-Soo Byun, Eu Chang Hwang, Seok Ho Kang, Sung-Hoo Hong, Jinsoo Chung, Tae Gyun Kwon, Hyeon Hoe Kim, Cheol Kwak, Yong-June Kim, Won Ki Lee
Background. The prognostic significance of the neutrophil-to-lymphocyte ratio (NLR) in nonmetastatic renal cell carcinoma (non-mRCC) is controversial, although NLR has been established as a prognostic factor in several cancers. The objective of our study was to assess the prognostic significance of preoperative NLR in non-mRCC, based on a large, multicenter cohort analysis. Methods. Totally, 1,284 non-mRCC patients undergoing surgery were enrolled from six institutions between 2000 and 2014. Recurrence-free survival (RFS) and cancer-specific survival (CSS) were calculated, and the prognostic significance of NLR was evaluated...
2016: BioMed Research International
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