نتایج جستجو برای: salivary gland tumour
تعداد نتایج: 150780 فیلتر نتایج به سال:
introduction sialolithiasis is the most common disease of salivary glands. sialography is particularly important for the assessment of the outflow tract and in diagnosing obstructive salivary gland lesions including calculi. case presentation we report on a 38-year-old female with sialolithiasis whom had wharton’s duct perforation, complicating the sialography. she was treated conservatively wi...
BACKGROUND Malignant tumours of minor salivary glands are uncommon, representing only 2-4% of all head and neck cancers. In the larynx, minor salivary gland tumours rarely occur and constitute less than 1% of laryngeal neoplasm. Most of the minor salivary gland tumours arise in the subglottis; however, they can also occur in the supraglottis, in the false vocal cords, aryepiglottic folds and ca...
salivary gland involvement is one of the radioiodine therapy complications. salivary gland scintigraphy in quantitative mode can accurately evaluate salivary gland function. methods: salivary gland scintigraphy was performed with tc-99m pertechnetate, at the time of iodine therapy as a basic study and then 3 weeks and 3 months afterwards. ejection fraction (ef) of parotid and submandibular glan...
BACKGROUND Oncocytoma or oxyphilic adenoma is uncommon salivary gland tumour, occurs predominantly in the in patients older than 60 years of age. Clinically oncocytoma resemble other salivary tumours while histology is typically consisting of oncocytes with many hyperplastic mitochondria. It usually occurs in the parotid gland. Because the features of oncocytoma are similar to those of other be...
OBJECTIVE Basal cell adenocarcinoma of a minor salivary gland is extremely rare. The goal of this report is to increase awareness of this rare disease and to review and discuss the differential diagnosis and important considerations in treatment. STUDY DESIGN Case report and review of the literature. METHODS Case report of a basal cell adenocarcinoma of a hard palate minor salivary gland an...
In a collection of 11 cases, the benign lymphoepithelial lesion presented clinically in every case as a tumour of a salivary gland. In eight cases the parotid was affected, in two a palatal salivary gland, and in one the submandibular gland was affected. Microscopically the lesion consisted of a mixture of lymphoid and epithelial components and, although the appearances in several cases suggest...
TUMOURS of the ethmoid, maxillary, frontal, and sphenoid air sinuses usually manifest themselves by proptosis. They may take the form of osteoma, chondroma, osteoclastoma, fibroma, myxoma, angioma, psammoma, endothelioma, carcinoma, or sarcoma (Duke-Elder, 1952). The mucous membrane of these sinuses contains not only epithelial and fibro-adenoid layers but also a layer of mucous and serous glan...
Adenoid cystic carcinoma (AdCC) is a tumour with myoepithelial differentiation and characterised by the presence of a dual population of basaloid and luminal cells arranged in specific growth patterns. These tumours, regardless of the anatomical site, are characterised by expression of the proto-oncogene and therapeutic target c-KIT, and seem to harbour a specific chromosomal translocation t(6;...
Differentially expressed genes in various benign and malignant salivary gland tumours were identified by use of cDNA microarrays containing 19,000 human expressed sequence tags. Samples were derived from 5 patients with pleomorphic adenoma, 4 with Warthin's tumour, one with clear cell carcinoma, and 2 with mucoepidermoid carcinoma. Tumours were classified by using a subset of 486 genes. Benign ...
Cases of mucoepidermoid carcinoma (MEC) is common among major salivary gland neoplasms, however infrequent cases are reported for this growth over the palatal region. We presented a case 50-year-old gentleman whom with tumour soft palate 3 different histopathological reports. This had history excision right mass on his first presentation which was as pleomorphic adenoma, he recurrence same site...
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