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Michael Ried, Maria-Magdalena Eicher, Reiner Neu, Zsolt Sziklavari, Hans-Stefan Hofmann
BACKGROUND: The objective of this study is the evaluation of the Masaoka-Koga and the International Association for the Study of Lung Cancer (IASLC)/International Thymic Malignancy Interest Group (ITMIG) proposal for the new TNM-staging system on clinical implementation and prognosis of thymic malignancies. METHODS: A retrospective study of 76 patients who underwent surgery between January 2005 and December 2015 for thymoma. Kaplan-Meier survival analysis was used to determine overall and recurrence-free survival rates...
December 2, 2017: World Journal of Surgical Oncology
Linlin Qu, Yan Xiong, Qian Yao, Bo Zhang, Ting Li
Micronodular thymoma with lymphoid stroma (MTWLS) is a rare type of thymoma that shows a similar pattern but varied morphology and immunophenotype of tumor cells. Because of the extremely limited number of cases reported, the pathology and biology of MTWLS are equivocal. Herein, we report two cases located in the anterior mediastinum: Case 1: a 58-year-old woman with a cystic mass measuring 5 × 3.0 × 2.5 cm in Mosaoka stage I; and Case 2: a 50-year-old man with a solid mass measuring 2.5 × 2...
November 2017: Thoracic Cancer
Yoshinobu Hata, Kazutoshi Isobe, Fumitomo Sato, Shoji Takahashi, Hidenori Goto, Kazuyoshi Tamaki, Megumi Wakayama, Kazutoshi Shibuya, Keigo Takagi
Mediastinal cystic seminoma is uncommon; only 17 cases have been reported, most diagnosed postoperatively, without recurrence on follow-up, even without radiotherapy. Here, we report a mediastinal seminoma showing a unilocular cyst with enhancing thickened wall in computed tomography (CT) and septal structures in magnetic resonance imaging (MRI) in a 24-year-old man. Fluorodeoxyglucose (FDG) uptake was not significant. Histopathologically, seminoma cells were found scattered in the cyst wall. Twenty months after resection, the patient's quality of life is good, without chemotherapy or radiation...
February 2013: Thoracic Cancer
Tingting Liu, Lika'a Fasih Y Al-Kzayer, Xiao Xie, Hua Fan, Shamil Naji Sarsam, Yozo Nakazawa, Lei Chen
The objective of this study was to identify the differences in histopathological distribution and clinical features of mediastinal lesions (MLs) across the age spectrum in Chinese series of patients and to compare with the available literature. A total of 409 cases of MLs, including 137 pediatric and 272 adult patients from a single institution, was reviewed and categorized into groups according to age. Among the 409 cases, the age showed a bimodal distribution with an increased incidence of MLs among (< 10 year) and (60-< 70 year) age groups...
August 29, 2017: Oncotarget
Luigi Ventura, Letizia Gnetti, Enrico Maria Silini, Guido Rindi, Paolo Carbognani, Michele Rusca, Luca Ampollini
Primary neuroendocrine tumors (NETs) of the mediastinum are very rare. Prognosis is usually poor despite treatment options. We present the case of a primary atypical carcinoid tumor of the mediastinum successfully treated by multimodal approach. A 50-year-old man presented for asthenia, dyspnea, and substernal sense of weight for two weeks. A chest-CT scan revealed a tumor mass of 107×55×95 mm(3) localized in the anterosuperior mediastinum compressing both brachiocephalic veins, the superior vena cava, the pericardium, and lungs...
April 2017: Journal of Thoracic Disease
Maurizio Martelli, Andrés Ferreri, Alice Di Rocco, Michela Ansuinelli, Peter W M Johnson
Primary mediastinal large B-cell lymphoma (PMLBCL) is a distinct clinical and biological disease from other types of DLBCL. It is more frequent in young female and constitutes 6%-10% of all DLBCL. PMLBCL is characterized by a diffuse proliferation of medium to large B-cells associated with sclerosis. Molecular analysis shows it to be a distinct entity from other DLBCL. Rituximab CHOP/MACOP-B-like regimens followed by mediastinal radiotherapy (RT) were associated with a 5-years PFS of 75%-85%. More intensive regimens, as DA-EPOCH-R without mediastinal RT, have shown very promising results, but this therapeutic advance needs to be confirmed in further prospective trials...
May 2017: Critical Reviews in Oncology/hematology
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...
July 2017: Pathology Oncology Research: POR
Narendra Kumar Narahari, Paramjyothi K Gongati, Shantveer G Uppin, Anu Kapoor, Bhaskar Kakarla, Ramakrishna Dev Tella
A 66-year-old man presented with dry cough and shortness of breath on exertion of 6 months' duration. There were no complaints of fever and hemoptysis. His history was significant for recurrent episodes of respiratory tract infections over the previous 4 years. He had also had episodes of recurrent otitis media and pus discharge from the left ear for 3 years, with progressive loss of hearing. There was no history of recurrent skin infections or diarrhea. He was treated symptomatically with antibiotics by local general practitioners...
October 2016: Chest
Damien Desbuquoit, Stijn Van Hecke, Pjotr Even, Paul M Parizel, Jan P van Meerbeeck, Annemie Snoeckx
The authors report a case of thoracic splenosis, which is the autotransplantation of splenic tissue into the pleural cavity. Splenosis in the chest is a rare entity and most often an incidental finding on chest computed tomography, typically showing solitary or multiple well-defined, noncalcified pleural nodules of variable size in the left hemithorax. It is important to include this benign pathology in the differential diagnosis among other, generally malignant, pleural lesions. Imaging clues to the diagnosis are absence of the spleen and/or associated rib fractures...
May 2016: Case Reports in Oncology
Zoltán Mátrai, László Tóth, Zoltán Szentirmay, János Papp, Imre Antal, Pál Vadász, Alexandra Bartal, Miklós Kásler
Chest wall desmoids are rare, borderline tumors. Radical surgical excision is considered to be the primary treatment. Tendency of desmoids to infiltrate the chest wall, the shoulder girdle, lung parenchyma, brachial plexus and vital components of the mediastinum provides a difficult surgical challenge in the efforts of achieving microscopically negative margins. Implantation of synthetic meshes and reconstructive plastic surgical techniques might be necessary to perform in order to preserve stability of the thorax, and to achieve optimal functional and aesthetic results...
January 2, 2011: Orvosi Hetilap
U Vitolo, J F Seymour, M Martelli, G Illerhaus, T Illidge, E Zucca, E Campo, M Ladetto
No abstract text is available yet for this article.
September 2016: Annals of Oncology: Official Journal of the European Society for Medical Oncology
Annikka Weissferdt, Cesar A Moran
Thymomas are rare tumors that usually manifest in the anterosuperior mediastinum. Occasionally, thymomas may also originate from ectopically dispersed thymic tissue and can arise in locations such as the neck, lung, or pleura or other locations in the thoracic cavity. The occurrence of thymomas in these ectopic locations can cause substantial diagnostic difficulty as the entity is almost never included in the differential diagnosis and its biphasic morphology can cause further complications during the diagnostic process...
September 2016: Virchows Archiv: An International Journal of Pathology
Marta Scorsetti, Francesco Leo, Annalisa Trama, Rolando D'Angelillo, Danila Serpico, Marianna Macerelli, Paolo Zucali, Gemma Gatta, Marina Chiara Garassino
Thymomas (Ts) and thymic carcinomas (TCs) are rare tumours of the mediastinum with an incidence rate of 1.7/million per year in Europe. Histological classification is based on rate of non-malignant-appearing thymic epithelial cells and proportions of lymphocytes (A, AB, B1, B2, B3, and C), while staging system concerns localisation of the involved areas. Surgery is the mainstay of treatment with a 10-year survival of 80%, 78%, 75%, and 42% for stages I, II, III and IV, respectively, with an R0 resection. Radiotherapy has a role in selected cases (stage III patients or R1-2 residual) and platinum-based chemotherapy remains the standard of care for patients with advanced disease...
March 2016: Critical Reviews in Oncology/hematology
Sandra Tomaszek, Dennis A Wigle, Shaf Keshavjee, Stefan Fischer
Thymomas are the most common tumors of the mediastinum. The introduction of multimodality treatment strategies, as well as novel approaches to the diagnosis of these tumors, has led to changes in the clinical management of thymomas. Here we review the literature for current clinical practice in the diagnosis, management, and treatment of thymomas.
June 2009: Annals of Thoracic Surgery
Charles Leduc, Lei Zhang, Buge Öz, Jean Luo, Junya Fukuoka, Cristina R Antonescu, William D Travis
Thoracic myoepithelial tumors (MTs) are a rare group of tumors showing predominant or exclusive myoepithelial differentiation. They are poorly characterized from both a morphologic and genetic standpoint, in particular features that separate benign from malignant behavior. We examined the histologic and immunohistochemical features of 8 primary thoracic MTs and performed fluorescence in situ hybridization for EWSR1, FUS, PLAG1, and HMGA2, as well as several partner genes. Half (4/8) of the MTs occurred in large airways, and 3 had infiltrative borders...
February 2016: American Journal of Surgical Pathology
Michael A den Bakker, Alexander Marx, Kiyoshi Mukai, Philipp Ströbel
This is the second part of a two-part review on soft tissue tumours which may be encountered in the mediastinum. This review is based on the 2013 WHO classification of soft tissue tumours and the 2015 WHO classification of tumours of the lung, pleura, thymus and heart and provides an updated overview of mesenchymal tumours that have been reported in the mediastinum.
November 2015: Virchows Archiv: An International Journal of Pathology
Michael A den Bakker, Alexander Marx, Kiyoshi Mukai, Philipp Ströbel
The mediastinum is an anatomically defined space in which organs and major blood vessels reside with surrounding soft tissue elements. The thymus is an important organ in the mediastinum, and many of the masses encountered in the mediastinum are related to this organ. Most neoplasms diagnosed in the mediastinum are epithelial tumours (thymomas and thymic carcinomas), lymphomas or germ cell tumours. In contrast, soft tissue tumours of the mediastinum are rare. In 1963, Pachter and Lattes systematically reviewed soft tissue pathology of the mediastinum, covering the hitherto described [2, 226, 227] In this review, based on the 2013 WHO classification of soft tissue tumours and the 2015 WHO classification of tumours of the lung, pleura, thymus and heart, we provide an updated overview of mesenchymal tumours that may be encountered in the mediastinum...
November 2015: Virchows Archiv: An International Journal of Pathology
Todd Anderson, Lei Zhang, Meera Hameed, Valerie Rusch, William D Travis, Cristina R Antonescu
Malignant thoracic epithelioid vascular tumors are an uncommon and heterogenous group of tumors that include low-grade to intermediate-grade epithelioid hemangioendothelioma (EHE) and high-grade epithelioid angiosarcoma (EAS). We examine the morphologic and immunohistochemical features of 52 malignant epithelioid vascular tumors (10 low-grade EHE, 29 intermediate-grade EHE, and 13 EAS) involving the thorax (lung, pleura, mediastinum, heart, great vessels) including cases with exclusively thoracic disease (35) and with multiorgan disease including the thorax (17)...
January 2015: American Journal of Surgical Pathology
Julio Abraham Hernández-Ascencio, Daniel Rios-Cruz, Peter Grube-Pagola, Juan Gabriel Gómez-Calzada
BACKGROUND: Inflammatory pseudotumor is a little known and uncommon condition. The debate continues whether it represents an inflammatory lesion or is a true neoplasm. It is considered a reactive process usually characterized by irregular growth of inflammatory cells. It has been described at various sites, the most common being the lung. The aim of this report is to emphasize the difficulty in the initial diagnosis. CLINICAL CASE: We present the case of a 56-year-old male who reports an 8-month history of dry cough, dyspnea, fatigue, weakness and weight loss of 20 kg...
July 2014: Cirugia y Cirujanos
Zeinab Peimani, Mohammad Amin Banihashemi, Niloofar Namazi, Anahid Safari, Ahmad Monabati, Mehra Mojallal, Afshin Borhani-Haghighi
BACKGROUND: Myasthenia gravis (MG) is an autoimmune disorder characterized by weakness and fatigability of skeletal muscles. The aim of this study was to determine if pathological characteristics in non-thymomatous patients of MG would correlate with prognosis in a three year follow up. METHODS: Patients who had had their thymectomy at least three years prior to the study were selected from three hospitals and were followed for 3 years. Prognosis was assessed via a devised prognostic scoring system...
2014: Iranian Journal of Neurology
2016-01-04 12:44:57
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