نتایج جستجو برای: salivary gland tumors

تعداد نتایج: 262435  

2014
Murat Oktay Huseyin Yaman Abdullah Belada Fahri Halit Besir Ender Guclu

Myoepitheliomas are benign salivary gland tumors and account for less than 1% of all salivary gland tumors. They are usually located in the parotid gland. The soft palate is very rare affected site. The differential diagnosis of myoepitheliomas should include reactive and neoplastic lesions. The treatment of myoepitheliomas is complete removal of the tumor. Herein, we report a case with giant m...

2014
Marc-Elie Nader Diana Bell Erich M. Sturgis Lawrence E. Ginsberg Paul W. Gidley

Background Facial nerve paralysis in a patient with a salivary gland mass usually denotes malignancy. However, facial paralysis can also be caused by benign salivary gland tumors. Methods We present a case of facial nerve paralysis due to a benign salivary gland tumor that had the imaging characteristics of an intraparotid facial nerve schwannoma. Results The patient presented to our clinic 4 y...

2012
Aymen Lagha Nesrine Chraiet Mouna Ayadi Sarra Krimi Bassem Allani Hela Rifi Henda Raies Amel Mezlini

Salivary gland cancers are very rare tumors. They are characterized by a histologic heterogeneity and a poor outcome. According to this rarity, few prospective data are available to date. No standard recommendations could be held for the use of systemic therapy in these tumors. Several case reports and small studies have investigated the contribution of different agents of chemotherapy. With th...

2016
Amisha Ashok Kumar Shah Aamera Farouq Mulla Mrinal Mayank

Myoepithelial cells (MECs) are considered to be a key participant in most salivary gland diseases, particularly tumors. MECs structurally resemble both epithelial cells and smooth muscles. Diagnostic dilemmas caused are due to inadequacy of characterizing the wide spectrum of morphologic and immunologic features which are different for both normal and neoplastic MECs. This article discusses the...

2014
Sahana Vishwanath Long Shen Lakshmanan Suresh Julian L Ambrus

INTRODUCTION Current diagnostic criteria for Sjogren's syndrome developed by the American College of Rheumatology include the presence of antinuclear antibodies, rheumatoid factor, anti-Ro or anti-La autoantibodies. The purpose of this report is to describe two patients with biopsy-proven Sjogren's syndrome lacking these autoantibodies but identified by antibodies to salivary gland protein 1. D...

Journal: :Cadernos de saude publica 2011
Maria de Lourdes Silva de Arruda Morais Paulo Roberto Azevedo Cyntia Helena Carvalho Lélia Medeiros Tirzah Lajus Antonio de Lisboa Lopes Costa

Salivary gland neoplasms are remarkable for their histological diversity and several studies point to their varied occurrence in the population. Clinical aspects were histologically assessed to determine possible associations and define parameters to differentiate benign and malignant neoplasms. The case files of patients diagnosed with epithelial salivary gland tumors between 1989 and 2005 wer...

Journal: :Laryngo-rhino-otologie 2022

Malignant salivary gland tumors represent a particular challenge in diagnostics due to their large number of histopathological entities, rare occurrence and diversity clinical histological presentation. The aim our work is investigate the usefulness provide comparison convolutional-neuronal networks (CNNs) as diagnostic tool diagnosis cancer.

2012
Rafal Zielinski Anna Zakrzewska

Major salivary gland tumors are very rare in the developmental period. Confirming tumor changes of the salivary gland requires precise diagnostic imaging involving an ultrasonography scan, computed tomography and magnetic resonance. A needle aspiration biopsy (NAB) of a tumor is of high importance. Excision of the tumor is the main treatment method in the case of parotid gland tumors. Statistic...

Journal: :Ear, nose, & throat journal 2004
Nicholas Stow David Veivers Alan Poole

We conducted a retrospective study of 104 cases of salivary gland tumors that were initially assessed by fine-needle aspiration biopsy (FNAB). Based on subsequent histopathologic analysis of excised specimens, we found that preoperative FNAB was highly sensitive and specific for both benign and malignant tumors-including the most common, pleomorphic adenomas and squamous cell carcinomas, respec...

2015
Mohamed Mliha Touati Mohammed Lakouichmi

Mucoepidermoid carcinoma represents about 5% of all salivary gland tumors, in which, about one-third occurs in the minor salivary gland. Mucoepidermoid carcinoma is the third most frequently encountered minor salivary gland tumor, preceded only by a mixed tumor and adenoid cystic carcinoma. The affected minor salivary glands are most frequently located in the palate, followed by the lower lip. ...

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