نتایج جستجو برای: laryngeal mucoepidermoid carcinoma

تعداد نتایج: 407202  

2017
Sushil Upadhyay

Mucoepidermoid carcinoma is an uncommon tumor of the lung which usually occurs in young individuals without any known risk factor. It is non-small cell lung cancer of salivary gland type. Clinical presentation is often confused with that of bronchial asthma or pneumonia. Computerised tomography of chest and bronchoscopy establish the diagnosis. Most often it is low grade subtype with excellent ...

Journal: :British Journal of Ophthalmology 1986

 Background: Focal laryngeal candidiasis is not reported widely and is very infrequently recognized clinically. This disease is rare and may occur after pulmonary, pharyngeal and esophageal candidiasis or as part of disseminated disease. It is also secondary to inhaled steroid therapy which is usually mild and has been reported in 10-15 percent of patients taking these medications.  Case Pr...

2018
Yi Zhu Luo Guo ShengZi Wang Qun Yu JianXiong Lu

A total of 200 smoking-related laryngeal carcinoma patients with pathology confirmation from the Eye and ENT Hospital and 190 high-risk smokers were included in a survey. All of the participants had a smoking index greater than 400 (cigarettes/day*year.) We obtained data on clinical and baseline characteristics, and peripheral blood was obtained and subjected to DNA extraction to analyse the co...

2011
Kemin Cai Yu Wang Xueli Bao

MiR-106b is frequently up-regulated in various types of human cancer including laryngeal carcinoma. However the underlying mechanism of miR-106b involved in laryngeal carcinoma remains elusive. Here we showed that reduction of miR-106b induced cell cycle G0/G1 arrest by targeting tumor suppressor RB in human laryngeal carcinoma cells. Further, Introducing RB cDNA without 3'UTR abrogated miR-106...

Journal: :Archives of otolaryngology--head & neck surgery 2004
Derek Kofi O Boahene Kerry D Olsen Jean E Lewis A Daniel Pinheiro Vernon Shane Pankratz Stephanie M Bagniewski

OBJECTIVE To determine clinical and histopathologic features of mucoepidermoid carcinoma of the parotid gland, specifically, the relation of tumor stage and grade and treatment type with clinical outcome. DESIGN Retrospective clinical and histopathologic review. SETTING Tertiary care medical center. PATIENTS From 1940 to 1994, 128 patients were treated at our institution for parotid mucoe...

Journal: :Advances in anatomic pathology 2006
Mario A Luna

Mucoepidermoid carcinoma (MEC) is a malignant epithelial neoplasm composed of varying proportions of mucous, epidermoid, intermediate, columnar, and clear cells and often demonstrates prominent cystic growth. MEC is usually subclassified as low, intermediate, or high grade on the basis of its histologic features, including the presence of cystic spaces, cellular differentiation, proportion of m...

Introduction: Salivary gland tumors (SGTs) are important parts of human neoplasms. The most common SGT is pleomorphic adenoma and the most common malignant SGTs are mucoepidermoid carcinoma and adenoid cystic carcinoma (ACC). Metastasis-associated genes 1 (MTA1), a member of the nucleosome remodeling and histone deacetylation complex, is one newly discovered gene which recruits histone deacetyl...

Journal: :Human Pathology 2021

The Fifth edition of the World Health Organization classification digestive system and American Joint Committee on Cancer staging manual contain substantial refinements information for esophageal tumors. epithelial tumors esophagus are classified as benign, dysplasia, malignant groups. Dysplasia is divided into Barrett dysplasia squamous graded either low-grade or high-grade. Malignant often ad...

2016
Xiaoyan Liao Parviz Haghighi Charles S. Coffey Xiangdong Xu

Mucoepidermoid carcinoma is the most common malignant tumor of the salivary gland. The oncocytic variant of mucoepidermoid carcinoma (OMEC) is rare and a small subset shows exclusive oncocytic morphology. Here we report an OMEC case of the parotid gland in a 74-year-old woman with exclusive oncocytes and rare mucocytes. The oncocytes showed diffuse nuclear positivity with p63 immunostaining. Th...

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