نتایج جستجو برای: parotid
تعداد نتایج: 7310 فیلتر نتایج به سال:
Objective: The purpose of this study was to compare the use of cross-sectional imaging techniques verses surgery in locating parotid masses. Material and Methods: Our study was performed on patients assumed to have parotid masses from Dec 2010 to Dec 2011. Before surgery, imaging studies (Computed Tomography and Magnetic Resonance Imaging) of parotid were done. After surgery, we compared the s...
Introduction: Background: Radiotherapy of parotid tumors is achieved by different radiotherapy techniques. So they deliver the dose to organs at risk such as contralateral parotid, temporal lobe & spinal cord. The consequences of high dose to OARs are xerostomia, Temporal lobe necrosis and loss of hearing. Purpose: The aim of this study was to compare different treatment tech...
Benign lymphoepithelial cysts of the parotid are common in retropositive patients, but extremely rare in HIV-negative individuals. We present a 28-year-old man who presented with a painless, gradually increasing swelling in the left parotid region and was clinically diagnosed to have a pleomorphic adenoma of the left parotid gland. Preoperative blood investigations revealed that the patient was...
objective: the purpose of this study was to compare the use of cross-sectional imaging techniques verses surgery in locating parotid masses. material and methods: our study was performed on patients assumed to have parotid masses from dec 2010 to dec 2011. before surgery, imaging studies (computed tomography and magnetic resonance imaging) of parotid were done. after surgery, we compared the su...
The goal of this study was to evaluate real-time volumetric and dosimetric changes of the parotid gland so as to determine replanning criteria and timing for parotid protection-based adaptive radiation therapy in nasopharyngeal carcinoma. Fifty NPC patients were treated with helical tomotherapy; volumetric and dosimetric (D mean, V 1, and D 50) changes of the parotid gland at the 1st, 6th, 11th...
OBJECTIVE To explore the application of parotid R2* values for evaluating Sjögren syndrome (SS). METHODS Twenty-four consecutive SS patients and 24 sex-matched and age-matched healthy volunteers underwent bilateral parotid 3.0 T magnetic resonance (MR) imaging, including blood oxygenation level dependent sequence. Parotid R2* values of SS patients and volunteers were compared. A receiver oper...
Herein, a rare case of synchronous cystoadenolymphoma (Warthin's tumour) of the right parotid gland and the nasopharyngeal space is described. Although Warthin's tumour (WT) of the parotid gland is a common benign pathology, the occurrence of extra-parotid cystoadenolymphoma is rare. Extra-parotid WT have been mainly localised in the submandibular gland, periparotid region and occasionally in o...
BACKGROUND The most common histological diagnosis of bilateral parotid gland neoplasm is Warthin tumor. Bilateral malignant tumors of the parotid gland are extremely rare. METHODS A 60-year-old man presented with a painless mass in the right preauricular area and an MRI scan showed multiple masses in the parotid glands, bilaterally. A standard superficial parotidectomy was performed on the ri...
A parotid cyst is a well-documented clinical entity. Here we report a case of low-grade mucoepidermoid carcinoma as an occult neoplasm; a rare presentation of a parotid cyst in a 35-year-old female patient who presented with well-defined small cystic swelling of right parotid gland; cytologically consistent with a simple parotid gland cyst. The purpose of this article is to create awareness abo...
Facial nerve palsy with a parotid mass is usually associated with malignant neoplasm of parotid gland. Its occurrence as a complication of parotid abscess is extremely rare. A literature review revealed only 16 cases of facial nerve palsy associated with suppurative parotitis or parotid abscess were reported. We present a case of deep parotid abscess which is complicated by facial nerve dysfunc...
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