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Thymoma

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https://www.readbyqxmd.com/read/28529901/combining-immunotherapy-and-radiation-therapy-for-small-cell-lung-cancer-and-thymic-tumors
#1
REVIEW
Suchit H Patel, Andreas Rimner, Roger B Cohen
Recent work with immunotherapy has shown promising results with treatment of several solid malignancies, and there are several reports of good systemic responses with the combination of immunotherapy and radiation therapy (RT), most notably in advanced melanoma. Given the rapid increase in the use of checkpoint blockade as well as anti-tumor vaccines, we review here the preclinical rationale and ongoing clinical work in combining immunotherapy with RT for small cell lung cancer (SCLC) and thymic tumors. While there are several reports of promising results with the combination of immunotherapy and conventional systemic treatment, we focus here on the ongoing clinical studies that combine immunotherapy with RT, and highlight the emerging data for this multimodality approach as well as key preclinical and clinical issues that remain to be addressed...
April 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28528070/thymoma-in-the-middle-mediastinum-with-blood-supply-from-the-left-main-coronary-artery
#2
Michail D Tsimpinos, Meletios A Kanakis, Stavros N Theodorou, Panagiotis A Misthos, Achilleas G Lioulias
No abstract text is available yet for this article.
June 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28524043/gvhd-like-erythroderma-in-the-clinical-course-of-thymoma-associated-myasthenia-gravis
#3
Hisashi Nomura, Shigeaki Suzuki, Fumiyo Yasuda-Sekiguchi, Masayuki Amagai, Satoshi Yamada, Jin Nakahara, Norihiro Suzuki, Mitsutomo Kohno, Takeru Funakoshi
No abstract text is available yet for this article.
May 19, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/28523344/role-of-g3bp1-in-glucocorticoid-receptor-mediated-microrna-15b-and-microrna-23a-biogenesis-in-endothelial-cells
#4
Hoi-Hin Kwok, Po-Ying Poon, Kylie Hin-Man Mak, Lin-Yao Zhang, Pei Liu, Huoming Zhang, Nai-Ki Mak, Patrick Ying-Kit Yue, Ricky Ngok-Shun Wong
MicroRNAs (miRNAs) are a family of non-coding RNAs that play crucial roles in regulating various normal cellular responses. Recent studies revealed that the canonical miRNA biogenesis pathway is subject to sophisticated regulation. Hormonal control of miRNA biogenesis by androgen and estrogen has been demonstrated, but the direct effects of the glucocorticoid receptor (GR) on miRNA biogenesis are unknown. This study revealed the role of GR in miRNA maturation. We showed that two GR agonists, dexamethasone and ginsenoside-Rg1 rapidly suppressed the expression of mature miR-15b, miR-23a, and miR-214 in human endothelial cells...
May 18, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28521033/lymph-node-metastases-in-thymic-malignancies-a-chinese-alliance-for-research-in-thymomas-retrospective-database-analysis%C3%A2
#5
Zhitao Gu, Yucheng Wei, Jianhua Fu, Lijie Tan, Peng Zhang, Yongtao Han, Chun Chen, Renquan Zhang, Yin Li, Keneng Chen, Hezhong Chen, Yongyu Liu, Youbing Cui, Yun Wang, Liewen Pang, Zhentao Yu, Xinming Zhou, Yangchun Liu, Yi Shen, Wentao Fang
OBJECTIVES: Lymphatic involvement is believed to be relatively rare in thymic epithelial tumours. The incidence and prognostic significance of nodal metastases are still unclear. The goal of this study was to define the incidence and prognostic relevance of nodal metastasis in patients with thymic epithelial tumours, using a nationwide retrospective database of the Chinese Alliance for Research in Thymomas. METHODS: Patients who underwent upfront surgical resection without preoperative therapy were enrolled for the study...
May 18, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28517980/identification-of-prognostic-and-subtype-specific-potential-mirnas-in-thymoma
#6
Jiamin Wei, Zhenguo Liu, Kaiming Wu, Dongjie Yang, Yulong He, George Gong Chen, Jian Zhang, Jianhua Lin
AIM: We performed a study to identify the role of microRNA in thymoma. PATIENTS & METHODS: One hundred twenty-three thymoma patients with clinical information and miRNA expression data from The Cancer Genome Atlas were included in the study. Comprehensive bioinformatics analysis was integrated in our analysis. RESULTS & CONCLUSION: Seven miRNAs were found to be associated with overall survival (p < 0.001). Another four miRNAs were found to be associated with disease-free survival (p < 0...
May 2017: Epigenomics
https://www.readbyqxmd.com/read/28516329/screening-for-lipoprotein-receptor-related-protein-4-agrin-and-titin-antibodies-and-exploring-the-autoimmune-spectrum-in-myasthenia-gravis
#7
Isabell Cordts, Nicolas Bodart, Kathi Hartmann, Katerina Karagiorgou, John S Tzartos, Lin Mei, Jens Reimann, Philip Van Damme, Michael H Rivner, Alain Vigneron, Joachim Weis, Jörg B Schulz, Socrates J Tzartos, Kristl G Claeys
In autoimmune myasthenia gravis (MG), the identification of antibodies and characterization of serological subgroups is of great importance for diagnosis and management of the disease. Our aims were to study the frequency of antibodies against lipoprotein-related protein 4 (LRP4), agrin, and titin using the most recent techniques, and to characterize corresponding clinical features and autoimmune diseases (AID) in 100 MG-patients. The antibody frequencies in the 55 AChR-antibody positive patients were 7% LRP4, 5% agrin, 53% titin, and in the 45 AChR-antibody negative patients 2% MuSK, 2% LRP4, 2% agrin, and 27% titin...
May 17, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28515524/spinal-anaesthesia-for-a-caesarean-section-in-a-patient-with-paraneoplastic-cerebellar-ataxia
#8
Ayca Tas Tuna, Fatih Sahin, Dilcan Kotan, Ali Fuat Erdem, Meltem Baykara, Tuba Duzcan
Paraneoplastic cerebellar ataxia (PCA) is most frequently observed in gynaecological cancers, small cell lung cancer, breast cancer, Hodgkin's lymphoma, cancer testis or malignant thymoma. In the literature, there is no data related to the effects of PCA during pregnancy or reports on the effects of anaesthesia in patients with PCA. We present management of a pregnant woman with PCA who was suddenly unable to walk with PCA and for whom effective spinal anaesthesia was performed for an elective caesarean section with no complications...
April 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28514756/elevated-crp-levels-predict-poor-outcome-and-tumor-recurrence-in-patients-with-thymic-epithelial-tumors-a-pro-and-retrospective-analysis
#9
Stefan Janik, Christine Bekos, Philipp Hacker, Thomas Raunegger, Bahil Ghanim, Elisa Einwallner, Lucian Beer, Walter Klepetko, Leonhard Müllauer, Hendrik J Ankersmit, Bernhard Moser
OBJECTIVE: Scarce information exists on the pathogenesis of thymic epithelial tumors (TETs), comprising thymomas, thymic carcinomas (TCs) and neuroendocrine tumors. C-reactive protein (CRP) increases during certain malignancies. We aimed to investigate the clinical relevance of CRP in patients with TETs. RESULTS: Pretreatment CRP serum concentrations were significantly elevated in patients with TETs, particularly TCs and metastatic TETs. After complete tumor resection CRP serum concentrations were decreased (p = 0...
April 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28514336/-the-quality-of-life-in-patients-with-a-different-types-of-myasthenia-gravis
#10
Yu N Bykov, V I Okladnikov, A I Smolin
AIM: Researching quality of life in patients with myasthenia gravis at different clinical variants of disease. MATERIAL AND METHODS: We studied 103 patients with myasthenia gravis. A battery of tests and scales for assessment of neurological deficit and quality of life was used. RESULTS AND CONCLUSION: Two types of disease have been identified in myasthenia gravis: favorable and unfavorable. The minimal duration of disease before thymectomy is the main determinant of the best outcome...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28514294/tnfaip3-gene-rs7749323-polymorphism-is-associated-with-late-onset-myasthenia-gravis
#11
Hong-Wei Yang, Yanchen Xie, Yuan Zhao, Liang Sun, Xiaoquan Zhu, Shuhui Wang, Yong-Qiang Zhang, Ping Lei, Yunxiao Meng
In this study, we intended to genotype 2 single nucleotide polymorphisms (SNPs) of tumor necrosis factor α-induced protein 3 (TNFAIP3) genes and explore an association of TNFAIP3 genetic polymorphism with the patients of myasthenia gravis (MG) at clinical level. In brief, 215 of adult MG patients were divided into subgroups according to their clinical features, age of onset, thymic pathology, and autoantibodies. Two hundred thirty-five of healthy controls were also divided into subgroups with gender- and age-matched...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28509648/video-assisted-extirpation-of-cranial-mediastinal-masses-in-dogs-18-cases-2009-2014
#12
Melissa A MacIver, J Brad Case, Eric L Monnet, Geraldine B Hunt, Philipp D Mayhew, Michelle L Oblak, Jeffrey J Runge, Ameet Singh, Daniel D Smeak, Michele A Steffey, Sarah E Boston
OBJECTIVE To characterize clinical findings, surgical procedures, complications, and outcomes in dogs undergoing extirpation of masses from the cranial mediastinum via video-assisted thoracic surgery (VATS) and establish preliminary guidelines for case selection when considering VATS for thymectomy in dogs. DESIGN Retrospective case series. ANIMALS 18 client-owned dogs that underwent extirpation of a cranial mediastinal mass by means of VATS at 5 academic referral hospitals from 2009 through 2014. PROCEDURES Medical records were reviewed and data extracted regarding signalment, clinical signs, physical examination findings, diagnostic imaging results, surgical approach and duration, cytologic and histologic examination results, complications, outcome, and cause of death, when applicable...
June 1, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/28506287/long-term-outcomes-of-307-patients-after-complete-thymoma-resection
#13
Zu-Yang Yuan, Shu-Geng Gao, Ju-Wei Mu, Qi Xue, You-Sheng Mao, Da-Li Wang, Jun Zhao, Yu-Shun Gao, Jin-Feng Huang, Jie He
BACKGROUND: Thymoma is an uncommon tumor without a widely accepted standard care to date. We aimed to investigate the clinicopathologic variables of patients with thymoma and identify possible predictors of survival and recurrence after initial resection. METHODS: We retrospectively selected 307 patients with thymoma who underwent complete resection at the Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College (Beijing, China) between January 2003 and December 2014...
May 15, 2017: Chinese Journal of Cancer
https://www.readbyqxmd.com/read/28506261/a-possible-role-of-low-regulatory-t-cells-in-anti-acetylcholine-receptor-antibody-positive-myasthenia-gravis-after-bone-marrow-transplantation
#14
Masahiko Fukatsu, Takenobu Murakami, Hiroshi Ohkawara, Shunichi Saito, Kazuhiko Ikeda, Suguru Kadowaki, Itaru Sasaki, Mari Segawa, Tomoko Soeda, Akihiko Hoshi, Hiroshi Takahashi, Akiko Shichishima-Nakamura, Kazuei Ogawa, Yoshihiro Sugiura, Hitoshi Ohto, Yasuchika Takeishi, Takayuki Ikezoe, Yoshikazu Ugawa
BACKGROUND: Chronic graft-versus-host disease (GVHD) appears several months following allogenic hematopoietic stem cell transplantation (HSCT) and is clinically analogous to autoimmune disorder. Polymyositis is a common neuromuscular disorder in chronic GVHD, but myasthenia gravis (MG) is extremely rare. Hence, its pathophysiology and treatment have not been elucidated. CASE PRESENTATION: A 63-year-old man with a history of chronic GVHD presented with ptosis, dropped head, and dyspnea on exertion, which had worsened over the previous several months...
May 15, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28495048/hla-and-age-of-onset-in-myasthenia-gravis
#15
Ernestina Santos, Andreia Bettencourt, Ana Martins da Silva, Daniela Boleixa, Dina Lopes, Sandra Brás, Paulo Pinho E Costa, Carlos Lopes, Guilherme Gonçalves, Maria Isabel Leite, Berta Martins da Silva
The aetiology of MG is unknown, but both genetic and environmental factors are important. Over the years association of MG with Human Leucocyte Antigens (HLA) has been described in different populations. We investigated a possible association between HLA-DRB1 alleles and age of onset in MG. One hundred and fourteen MG patients (82 females) and 282 control individuals (CP) were studied. Patients were classified according to the age of onset (early-onset <50, n = 74 and late-onset ≥ 50, n = 20)...
April 5, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28493800/iaslc-itmig-staging-system-and-lymph-node-map-for-thymic-epithelial-neoplasms
#16
Brett W Carter, Marcelo F Benveniste, Rachna Madan, Myrna C Godoy, Patricia M de Groot, Mylene T Truong, Melissa L Rosado-de-Christenson, Edith M Marom
Thymic epithelial neoplasms are rare malignancies that arise from the thymus and include thymoma, thymic carcinoma, and thymic neuroendocrine tumors. At least 15 different stage classifications have been proposed for thymic epithelial neoplasms and used to varying degrees in clinical practice, many of which have been constructed from small groups of patients. Traditionally, the Masaoka and Masaoka-Koga staging systems have been the schemes most commonly employed, and the latter has been recommended for use by the International Thymic Malignancy Interest Group (ITMIG)...
May 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28486946/thymic-epithelial-tumors-phenotype-relies-on-mir-145-5p-epigenetic-regulation
#17
Teresa Bellissimo, Federica Ganci, Enzo Gallo, Andrea Sacconi, Claudia Tito, Luciana De Angelis, Claudio Pulito, Silvia Masciarelli, Daniele Diso, Marco Anile, Vincenzo Petrozza, Felice Giangaspero, Edoardo Pescarmona, Francesco Facciolo, Federico Venuta, Mirella Marino, Giovanni Blandino, Francesco Fazi
BACKGROUND: Thymoma and thymic carcinoma are the most frequent subtypes of thymic epithelial tumors (TETs). A relevant advance in TET management could derive from a deeper molecular characterization of these neoplasms. We previously identified a set of microRNA (miRNAs) differentially expressed in TETs and normal thymic tissues and among the most significantly deregulated we described the down-regulation of miR-145-5p in TET. Here we describe the mRNAs diversely regulated in TETs and analyze the correlation between these and the miRNAs previously identified, focusing in particular on miR-145-5p...
May 10, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28473943/cyclosporine-is-a-potential-curative-treatment-option-for-advanced-thymoma
#18
Yusuke Isshiki, Hiroaki Tanaka, Yoshio Suzuki, Yukihiro Yoshida
BACKGROUND: Thymectomy can effectively cure most thymoma patients; however, patients with advanced thymoma typically require chemotherapy, which is associated with limited efficacy in this context. Here we provide the first report of a patient with recurrent thymoma who achieved complete remission (CR) using cyclosporine therapy. CASE PRESENTATION: A 63-year-old woman who had undergone resection surgery for recurrent type B1 thymoma developed pure red cell aplasia (PRCA), and CT findings revealed thymoma recurrence...
2017: Experimental Hematology & Oncology
https://www.readbyqxmd.com/read/28468036/-clinicopathologic-features-of-atypical-type-a-thymoma
#19
Y C Su, J X Di, J P Da
Objective: To study the clinicopathologic features, immunophenotype and differential diagnosis of atypical type A thymoma. Methods: Clinicopathologic and follow-up data of three cases of atypical type A thymoma from 2004 to 2016 were reviewed. Immunohistochemical staining was performed. Results: All three patients were male with average age of 59 years. Clinically, the lesions presented as anterior mediastinal masses. Grossly, the tumor ranged in size from 4 to 6 cm in greatest dimension and partially enclosed within fibrous capsule...
May 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28461027/expression-of-receptor-for-advanced-glycation-end-products-rage-in-thymus-from-myasthenia-patients
#20
M Bouchikh, F Zouaidia, E H A Benhaddou, N Mahassini, A Achir, H O El Malki
OBJECTIVES: The receptor for advanced glycation end-products (RAGE) is a membranous immunoglobulin involved in the pathogenesis of numerous autoimmune diseases and tumors. The aim of this study was to investigate the possible involvement of RAGE in the pathogenesis of myasthenia gravis. MATERIAL AND METHODS: This prospective study included 41 cases of myasthenia gravis treated at our institution between 2010 and 2015. There were 18 men and 23 women, with an average age of 36...
April 28, 2017: Revue Neurologique
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