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Thais Caldara Mussi, Yves Bohrer Costa, Marcos Takeo Obara, Marcos Roberto Gomes de Queiroz, Rodrigo Gobbo Garcia, José Antonio Domingos Cianciarulo Longo, Gustavo Caserta Lemos, Ronaldo Hueb Baroni
Objective: To describe the imaging findings of prostatic tumors nonadenocarcinoma on multiparametric magnetic resonance imaging. Methods: A total of 200 patients underwented multiparametric magnetic resonance imaging of the prostate for screening for prostate cancer, from August 2013 to September 2014, followed by biopsy with ultrasound/magnetic resonance imaging fusion. Results: We found three pathologic proved cases of prostatic pure leiomyomas (0...
July 2016: Einstein
Pedro Henrique Lambach Caron, Mariana Ismael Dias Martins, Pedro Luiz Bertevello
OBJECTIVE: to evaluate the feasibility, safety and benefits of minimally invasive surgery for resection of gastric submucosal tumor (GSMT). METHODS: we conducted a retrospective study of medical records of patients undergoing endoscopy-assisted laparoscopic resection of gastric submucosal tumors (prospectively collected) from 2011 to 2014. We evaluated clinical data, surgical approach, clinicopathological characteristics of the GSMT (size, location, histopathological and immunohistochemical exams), outcome and patients follow-up...
March 2016: Revista do Colégio Brasileiro de Cirurgiões
D Predescu, M Gheorghe, I Predoiu, C Iosif, A Constantin, F Chiru, L Cociu, S Constantinoiu
Although their overall incidence is low, GISTs are distinctive subgroup of gastrointestinal mesenchymal tumors which express CD117 or platelet derived growth factor receptor alpha (PDGFRA). Considered as rare digestive cancers, tumors like schwannomas, neurofibromas, gastrointestinal leiomiomas are now reclassified as GIST based on immunohistochemistry studies. GIST are more frequent in stomach (40-70%), small bowel (20-40%), colon (5-15%), meanwhile locations such as mesentery, omentum, retro peritoneum in less of 5%...
July 2010: Chirurgia
Ramón Luaces Rey, Fernanda Lorenzo Franco, Guillermo Gómez Oliveira, Beatriz Patiño Seijas, Dolores Guitián, José Luis López-Cedrún Cembranos
Leiomyomas are bening tumours originated on smooth muscle. The most frequent site of appearance are uterine myometrium, gastrointestinal tract and skin. The highest incidence occurs between 40 and 49 years of age. Its presentation is unusual in children or in older patients. Leiomyomas are unfrequent in the oral cavity, but in this location are usually localized on tongue, lips and palate. Leiomyomas use to appear as well-defined masses, with slow growth and totally asymptomatic. Pain is present just in rare cases...
January 2007: Medicina Oral, Patología Oral y Cirugía Bucal
Małgorzata Burzej-Uchto, Zuzanna Nowak-Makieła, Kalina Lapińska-Skowron, Bogdan Kosowski
INTRODUCTION: To report a rare case of laryngeal leiomioma. Tumors of smooth muscle origin are rare in the upper aerodigestive tract, due to the paucity of smooth muscle in the area. A review of the literature confirm that this kind of neoplasm is extremely rare in the larynx and not so many cases were described in the literature so far. We described classification, treatment and clinical course of laryngeal leiomioma. MATERIAL AND METHODS: We encountered such a tumor in a 68-year-old men who was admitted to our Hospital...
2006: Otolaryngologia Polska. the Polish Otolaryngology
No abstract text is available yet for this article.
1964: Arkhiv Patologii
Serafina Lattarulo, Ippazio Ugenti, Filippo Ferrarese, Gennaro Fabiano
Gastrointestinal stromal tumours are rare neoplasms originating from the connective tissue of the digestive tract and constitute most of the non-epithelial primitive digestive tumours, with a percentage incidence of less than 1%. The term itself was first used in 1983 by Mazur and Clark to identify a heterogeneous group of tumours, all of them histologically characterised by hyperplastic fused cells, not necessarily leiomuscular ones, but even neural ones. The original stem cell has not been identified yet, but such tumours constantly present the expression of the surface antigens CD34 and CD117 which can be determined immunohisto-chemically...
March 2003: Chirurgia Italiana
Giovanna Maria Pierantoni, Valter Agosti, Monica Fedele, Heather Bond, Irene Caliendo, Gennaro Chiappetta, Francesco Lo Coco, Fabrizio Pane, Maria Caterina Turco, Giovanni Morrone, Salvatore Venuta, Alfredo Fusco
High-mobility group A (HMGA) proteins are non-histone nuclear proteins that bind DNA and several transcription factors. They are involved in the regulation of chromatin structure and function. HMGA protein expression is low in normal adult tissues, but abundant during embryonic development and in several human tumours. Rearrangements of the HMGA genes have been frequently detected in human benign tumours of mesenchymal origin, e.g. lipomas, lung hamartomas and uterine leiomiomas. HMGA proteins have been implicated in the control of cell growth and differentiation of the pre-adipocytic cell line 3T3-L1...
May 15, 2003: Biochemical Journal
H M Pianzola, A Otino, M Canestri
UNLABELLED: Duplication is defined as the presence of a complete or partial double structure, with a variable length. In esophagus, duplications, diverticuli and cysts might be manifestations of the same embriologic defect. The most common is the Cystic Duplication of the esophagus (CDE), which represents the esophageal duplication, either spherical or tubular, with squamous or columnar epithelium, and a double muscular layer. CLINICAL CASE: male, 38 years old with no previous relevant data, and sudden, complete and persistent post ingestion aphagia, intense presternal pain, and a 12 Kg...
October 2001: Acta Gastroenterologica Latinoamericana
R Ruggiero, A De Martino, A Ferrara, F Procaccini, E Procaccini
The reduced incidence of gastric cancer, due to a better patients surveillance and more accurate understanding of prophylactic measure, has allowed a detection of early stages as well as cancers with different origin cells. Either the difficulty of differential diagnosis or the various surgical and integrated approaches, make these neoplasm hard to enroll in standard treatment protocols. Our experience consists of 5 clinical cases with four different histology: lymphoma, leiomioma, carcinoid and gastrinoma...
March 2001: Annali Italiani di Chirurgia
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