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thymic carcinoma

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https://www.readbyqxmd.com/read/27900082/successful-treatment-of-advanced-thymic-carcinoma-with-lymph-node-and-pleural-metastases-a-case-report
#1
Yoko Yamamoto, Ken Kodama, Tomohiro Maniwa, Hiroki Kishima
Thymic carcinoma is a rare type of cancer that is more aggressive and is associated with a poorer prognosis compared with thymoma. No definitive clinical management of this disease has been established to date. This report describes the 20-year clinical course of a 50-year-old male patient who was successfully treated for initially diagnosed stage IVb thymic carcinoma. Thymo-thymectomy combined with resection of the surrounding organs was performed on December 1995 with curative intent (R0) after neoadjuvant chemoradiotherapy...
November 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27876674/brief-report-a-survey-of-thymic-carcinoma-management-patterns-among-international-thymic-malignancy-interest-group-itmig-physicians-with-consensus-from-the-thymic-carcinoma-working-group
#2
Annemarie Shepherd, Gregory Riely, Frank Detterbeck, Charles B Simone, Usman Ahmad, James Huang, Robert Korst, Arun Rajan, Andreas Rimner
INTRODUCTION: Thymic carcinomas are rare epithelial malignancies with limited data to guide management. METHODS: In order to identify areas of agreement and variability in current clinical practice, a 16-question electronic survey was given to members of the International Thymic Malignancy Interest Group (ITMIG). Areas of controversy were discussed with the Thymic Carcinoma Working Group and consensus was achieved, as described. RESULTS: One hundred ITMIG members responded...
November 19, 2016: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/27869649/randomized-trial-of-calcipotriol-combined-with-5-fluorouracil-for-skin-cancer-precursor-immunotherapy
#3
Trevor J Cunningham, Mary Tabacchi, Jean-Pierre Eliane, Sara Moradi Tuchayi, Sindhu Manivasagam, Hengameh Mirzaalian, Ahu Turkoz, Raphael Kopan, Andras Schaffer, Arturo P Saavedra, Michael Wallendorf, Lynn A Cornelius, Shadmehr Demehri
BACKGROUND: Actinic keratosis is a precursor to cutaneous squamous cell carcinoma. Long treatment durations and severe side effects have limited the efficacy of current actinic keratosis treatments. Thymic stromal lymphopoietin (TSLP) is an epithelium-derived cytokine that induces a robust antitumor immunity in barrier-defective skin. Here, we investigated the efficacy of calcipotriol, a topical TSLP inducer, in combination with 5-fluorouracil (5-FU) as an immunotherapy for actinic keratosis...
November 21, 2016: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27847081/complete-resection-of-thymic-sarcomatoid-carcinoma-through-total-aortic-arch-replacement
#4
Soichi Oka, Akihiro Taira, Shuichi Shinohara, Taiji Kuwata, Masaru Takenaka, Yasuhiro Chikaishi, Ayako Hirai, Hidetaka Uramoto, Yosuke Nishimura, Fumihiro Tanaka
Sarcomatoid carcinoma of the thymus is extremely rare. An operation remains the only effective treatment for this disease. We report a case of complete resection of thymic sarcomatoid carcinoma through a total aortic arch replacement and left upper lobectomy at our institution. Our aggressive operation was very effective, and the patient has experienced no recurrence in the 3 years since his operation.
December 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27844328/molecular-profiling-of-thymoma-and-thymic-carcinoma-genetic-differences-and-potential-novel-therapeutic-targets
#5
Franz Enkner, Bettina Pichlhöfer, Alexandru Teodor Zaharie, Milica Krunic, Tina Maria Holper, Stefan Janik, Bernhard Moser, Karin Schlangen, Barbara Neudert, Karin Walter, Brigitte Migschitz, Leonhard Müllauer
Thymoma and thymic carcinoma are thymic epithelial tumors (TETs). We performed a molecular profiling to investigate the pathogenesis of TETs and identify novel targets for therapy. We analyzed 37 thymomas (18 type A, 19 type B3) and 35 thymic carcinomas. The sequencing of 50 genes detected nonsynonymous mutations in 16 carcinomas affecting ALK, ATM, CDKN2A, ERBB4, FGFR3, KIT, NRAS and TP53. Only two B3 thymomas had a mutation in noncoding regions of the SMARCB1 and STK11 gene respectively. Three type A thymomas harbored a nonsynonymous HRAS mutation...
November 14, 2016: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/27826297/lipopolysaccharide-attenuates-induction-of-proallergic-cytokines-thymic-stromal-lymphopoietin-and-interleukin-33-in-respiratory-epithelial-cells-stimulated-with-polyi-c-and-human-parechovirus
#6
Tsang-Hsiung Lin, Chih-Chi Cheng, Hsing-Hao Su, Nan-Chieh Huang, Jih-Jung Chen, Hong-Yo Kang, Tsung-Hsien Chang
Epidemiological studies based on the "hygiene hypothesis" declare that the level of childhood exposure to environmental microbial products is inversely related to the incidence of allergic diseases in later life. Multiple types of immune cell-mediated immune regulation networks support the hygiene hypothesis. Epithelial cells are the first line of response to microbial products in the environment and bridge the innate and adaptive immune systems; however, their role in the hygiene hypothesis is unknown. To demonstrate the hygiene hypothesis in airway epithelial cells, we examined the effect of lipopolysaccharide (LPS; toll-like receptor 4 ligand) on the expression of the proallergic cytokines thymic stromal lymphopoietin (TSLP) and interleukin 33 (IL33) in H292 cells (pulmonary mucoepidermoid carcinoma cells)...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27825689/safety-and-effectiveness-of-cadaveric-allograft-sternochondral-replacement-after-sternectomy-a-new-tool-for-the-reconstruction-of-anterior-chest-wall
#7
Giuseppe Marulli, Andrea Dell'amore, Francesca Calabrese, Marco Schiavon, Niccolò Daddi, Giampiero Dolci, Franco Stella, Federico Rea
BACKGROUND: Surgical excision with wide margins, prevention of respiratory impairment, and protection of surrounding organs are primary goals in resection and reconstruction of the chest wall. We describe our experience of the use of cadaveric cryopreserved sternal allograft. METHODS: Eighteen patients underwent surgery. Indications for sternectomy were sternal metastases (n = 9), primary chondrosarcoma (n = 4), sternal dehiscence (n = 2), soft tissue sarcoma (n = 1), malignant solitary fibrous tumor (n = 1), and direct involvement of thymic carcinoma (n = 1)...
November 5, 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27822875/middle-mediastinal-thymic-carcinoma-with-cystic-findings-in-radiologic-images-a-case-report
#8
Shuichi Shinohara, Koji Kuroda, Taiji Kuwata, Masaru Takenaka, Soichi Oka, Yasuhiro Chikaishi, Ayako Hirai, Naoko Imanishi, Fumihiro Tanaka
BACKGROUND: Thymic carcinomas are usually detected in the anterior mediastinum. Thymic carcinoma occurring in the middle mediastinum and showing an image of a cyst is extremely rare. CASE PRESENTATION: A 64-year-old man with a middle mediastinal tumor detected incidentally by a CT scan was referred. Chest CT showed an entirely cystic mass in the middle mediastinum between the bilateral brachiocephalic vein and trachea. We resected the tumor completely in the right recurrent nerve because it had invaded the nerve...
December 2016: Surgical Case Reports
https://www.readbyqxmd.com/read/27822456/definitive-imrt-for-stage-iii-thymic-carcinoma-a-brief-report-and-literature-review
#9
Sarah A Dooley, Carryn M Anderson
INTRODUCTION: Thymic carcinoma is a rare malignancy often presenting at an advanced stage. Radiation therapy and chemotherapy are often the only treatment options available to physicians. METHODS: A 70-year-old man presented with an unresectable stage III thymic tumor and was treated with 45 Gy in 25 fractions followed by a boost of 21.6 Gy in 12 fractions. He was also treated with bortezomib for multiple myeloma unrelated to his primary malignancy. RESULTS: The patient made a full recovery following the radiation regimen and remained disease free 4 years after the treatment...
2016: Frontiers in Oncology
https://www.readbyqxmd.com/read/27794397/expression-of-mesothelin-in-thymic-carcinoma-and-its-potential-therapeutic-significance
#10
Anish Thomas, Yuanbin Chen, Arlene Berman, David S Schrump, Giuseppe Giaccone, Ira Pastan, David J Venzon, David J Liewehr, Seth M Steinberg, Markku Miettinen, Raffit Hassan, Arun Rajan
OBJECTIVES: Advanced thymic epithelial tumors (TETs) lack adequate treatment options in part due to absence of well characterized tumor-specific antigens. Mesothelin, a cell surface antigen, has been used successfully as a target for tumor-directed therapy. We sought to determine tumor expression and serum levels of mesothelin in patients with TETs. PATIENTS AND METHODS: Tissue samples were obtained from 71 patients with histologically confirmed, unresectable advanced TETs and evaluated for mesothelin expression by immunohistochemistry...
November 2016: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/27791295/vascular-architecture-as-diagnostic-marker-for-differentiation-of-who-thymoma-subtypes-and-thymic-carcinoma
#11
Frederick Pfister, Hussam Hussain, Djeda Belharazem, Svenja Busch, Katja Simon-Keller, Dominic Becker, Eva Pfister, Ralf Rieker, Philipp Ströbel, Alexander Marx
BACKGROUND: Thymomas and thymic squamous cell carcinomas (TSQCC) are rare thymic epithelial tumors. Data on angiogenesis and vascular phenotype in these tumors is limited, and no study took histological WHO subtypes into account. METHODS: Vascular density, diameter and architecture and expression of SMA, PDGFRb, VEGFR1 and VEGFR2 were investigated in WHO type A, AB, B1, B2 and B3 thymomas and TSQCC, using immuno-stainings, quantitative morphometry and tumor vessel isolation by trypsin digestion...
October 28, 2016: Histopathology
https://www.readbyqxmd.com/read/27789964/rare-frequency-of-gene-variation-and-survival-analysis-in-thymic-epithelial-tumors
#12
Zhengbo Song, Xinmin Yu, Yiping Zhang
OBJECTIVE: Thymic epithelial tumor (TET) is a rare mediastinal neoplasm and little is known about its genetic variability and prognostic factors. This study investigated the genetic variability and prognostic factors of TET. PATIENTS AND METHODS: We sequenced 22 cancer-related hotspot genes in TET tissues and matched normal tissues using Ampliseq Ion Torrent next-generation technology. Overall survival was evaluated using Kaplan-Meier methods and compared with log-rank tests...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27771373/expression-of-cathepsins-v-and-s-in-thymic-epithelial-tumors
#13
Shizuka Kiuchi, Utano Tomaru, Akihiro Ishizu, Makoto Imagawa, Takayuki Kiuchi, Sari Iwasaki, Akira Suzuki, Noriyuki Otsuka, Takahiro Deguchi, Tomohiro Shimizu, Katsuji Marukawa, Yoshihiro Matsuno, Masanori Kasahara
Cathepsins are a group of proteolytic enzymes of the endosomal/lysosomal pathway involved in the thymic development of T cells restricted by major histocompatibility complex class II molecules. In the normal thymus, cathepsin V (CTV) and cathepsin S (CTS) are expressed in cortical and medullary epithelial cells, respectively. To investigate whether cathepsins could serve as a diagnostic marker, we performed immunohistochemical analysis for CTV and CTS in 77 cases of thymic epithelial tumors. Almost all cases (59/60) of thymoma expressed CTV, whereas 28 out of 60 cases of thymoma expressed CTS...
October 19, 2016: Human Pathology
https://www.readbyqxmd.com/read/27761900/immunophenotypic-and-prognostic-analysis-of-pax8-and-ttf-1-expressions-in-neuroendocrine-carcinomas-of-thymic-origin-a-comparative-study-with-their-pulmonary-counterparts
#14
Yalan Bi, Yinghui Deng, Shanqing Li, Xiaoyun Zhou, Yeye Chen, Dongjie Ma, Xinxin Mao, Yuzhou Guan, Jie Chen, Yunxiao Meng
OBJECTIVES: To investigate the immunoreactivity of TTF-1 and PAX8 in neuroendocrine carcinoma of thymic (TNEC) and pulmonary origins (PNEC), and whether their immunophenotyping could be used to distinguish between NEC of the two sites, as well as prognosis of patients with TNEC. METHODS: Twenty-two cases of TNEC and 20 cases of PNEC were selected for immunohistochemical analysis using PAX8 and TTF-1. Clinical data and follow-up information were obtained for survival analyses...
November 2016: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27749419/131i-and-124i-accumulation-in-a-thymic-cyst
#15
Tom Wilhelm, Thomas Winkens, Almut Kunze, Martin Freesmeyer
A 65-year-old woman presented with increased human thyroglobulin (3.3 ng/mL) 5 years after resection of a papillary thyroid carcinoma and successful I radioiodine therapy. I whole-body scintigraphy showed a small focus ventrally in the right lower neck, leading to suspicion of a papillary thyroid carcinoma recurrence. I-PET/CT and real-time PET/US fusion matched to a small hypoechoic/anechoic ovoid structure situated between the right sternoclavicular joint and the brachiocephalic trunk. After surgical resection, histology allowed a diagnosis of thymic cyst...
October 5, 2016: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27747012/prognostic-value-of-immunohistochemical-markers-in-malignant-thymic-epithelial-tumors
#16
Priska Leisibach, Didier Schneiter, Alex Soltermann, Yoshi Yamada, Walter Weder, Wolfgang Jungraithmayr
BACKGROUND: Thymic epithelial tumors (TET) are rare neoplasms with inconsistent treatment strategies. When researching for molecular pathways to find new therapies, the correlation between specific molecular markers and outcome has only rarely been investigated. The aim of this study was to investigate the correlation between survival, metastatic potential and invasiveness of aggressive subtypes of TET and immunohistochemical markers. METHODS: Overall survival (OS), disease-free survival (DFS), progression-free survival (PFS) and metastasis-free survival (MFS) of patients with WHO type B2/B3 mixed type thymoma (MT), thymoma type B3 (B3) and thymic carcinoma (TC), undergoing surgery [1998-2013] were determined...
September 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/27746998/prognostic-value-of-preoperative-serum-lactate-dehydrogenase-in-thymic-carcinoma
#17
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: The prognostic value of serum lactate dehydrogenase (LDH) has been demonstrated in various solid tumors. We attempted to determine whether serum LDH was predictive of survival in thymic carcinoma after surgical resection. METHODS: Ninety-five patients with thymic carcinoma treated in our hospital between January 2005 and December 2015 were retrospectively enrolled. Serum LDH was measured before surgery and categorized as low or high relative to the upper limit of normal (ULN) (225 U/L)...
September 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/27746267/pd-l1-pd-1-cd4-and-cd8-expression-in-neoplastic-and-non-neoplastic-thymus
#18
Alberto M Marchevsky, Ann E Walts
The checkpoint protein programmed cell death ligand-1 protein (PD-L1) binds to its receptor (PD-1) activating the PD-L1/PD-1 pathway, an important therapeutic target. There is limited information regarding PD-L1 and PD-1 expression in thymic lesions. Sections from non-neoplastic thymi (n=20), thymomas WHO types A, AB, B1, B2 and B3 (n=38) and thymic squamous cell carcinoma (n=8) were stained for PD-L1 (clone SP142 Spring BioScience), PD-1 (MRQ22 Cell Marque), CD4 (clone SPO32 Cell Marque) and CD8 (JCB117 Ventana)...
October 13, 2016: Human Pathology
https://www.readbyqxmd.com/read/27731926/mutation-analysis-of-the-egfr-gene-and-its-downstream-signaling-pathway-in-thymic-carcinoma-patients-from-a-chinese-han-population
#19
Ping Zhan, Xiao Chen, Xiao-Yuan Wu, Zhi-Bo Hou, Qian Qian, Yu Zhang, Jue Zou, Yuan-Qing Zhang, Ming-Yue Wan, Jian-Dong Wang, Li-Ke Yu, Hai-Yan Xie
INTRODUCTION: For thymic carcinoma (TC), which is a rare epithelial neoplasm of the thymus gland, median survival with current treatments is only 2 years. OBJECTIVES: Mutations in the epidermal growth factor receptor (EGFR) gene or its downstream effectors may cause constitutive activation that leads to cell proliferation and metastases. Thus, molecular profiling is essential for selecting TC patients who may respond to anti-EGFR therapies. METHODS: Genomic DNA was extracted from 61 histological samples of TCs...
October 12, 2016: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/27688088/diagnostic-roles-of-muc1-and-glut1-in-differentiating-thymic-carcinoma-from-type-b3-thymoma
#20
Ms Jun Du, Qin Shen, Honglin Yin, Qiu Rao, Mr Xiaojun Zhou
MUC1 is a transmembrane mucin that has been related to tumor progression and outcome in various malignancies. GLUT1 is a member of the mammalian facilitative glucose transporter (GLUT) family of passive carriers that functions as an energy-independent system for transporting glucose. Both of them are useful markers for the diagnosis, progression, and prognosis of various tumors, especially those that are cancerous. However, the clinical significance of MUC1 and GLUT1 in thymic epithelial tumors remains uncertain due to a lack of quality specimen and studies at sufficient scale, both owing, in part, to the rarity of the tumors...
November 2016: Pathology, Research and Practice
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