نتایج جستجو برای: minor salivary gland
تعداد نتایج: 173207 فیلتر نتایج به سال:
Salivary gland neoplasms have always been an field of interest for head neck and tumors because of its diversity in histogenesis and morphogenesis. Its of keen interest that all benign tumors arise from major salivary glands whereas on the other side all malignant arise from minor salivary glands. Reason for the above criteria can be understood only when a complete knowledge and understanding o...
Oncocytoma is a rare benign salivary gland tumor, which mostly occurs in the parotid gland. In this article, we describe an early onset of oncocytoma of minor salivary gland in a 36-year, white male. On clinical examination, we encounter with a painless, granular, sessile mass. After Excisional biopsy, the histopathological features revealed sheets of cells with abundant granular eosinophilic c...
Hyalinizing clear cell carcinoma is a low-grade neoplasm of the minor salivary gland composed exclusively of epithelial cells and not myoepithelial cells. It predominantly affects the oral cavity of adult females. It is microscopically characterized by hyalinizing stroma and clear cells, which are typically positive for cytokeratin markers and negative for S 100 and smooth muscle actin (SMA). C...
A rare case of acinic cell carcinoma of minor salivary gland with cervical lymph node metastasis in a 50-year-old man is reported and the literature regarding this type of tumor is reviewed. These tumors arise from either an intercalated duct stem cell or the reserve cell of the salivary gland terminal tubule but not from both simultaneously. Rarely these neoplasms arise from more mature acinar...
Pleomorphic adenoma (PA) is the most common benign tumor of salivary glands. Most PAs occur in the parotid (80%), followed by the submandibular gland (10%) and minor salivary and sublingual glands (10%). Submandibular gland PAs usually manifest in the submandibular area as a painless hard mass. Although several recurrent parotid gland PA cases have been reported in the literature, recurrent sub...
Cystadenoma and cystadenocarcinoma are rare salivary gland tumours histologically characterized by prominent cystic and frequently papillary growth. We present two cases of cystadenoma of a minor salivary gland (upper lip) and parotid cystadenocarcinoma respectively, captured between 834 salivary gland tumors studied in our hospital from 1980 to 2004. The authors review the clinical, histologic...
Polymorphous low-grade adenocarcinomas are minor salivary gland neoplasms with a predilection for intraoral sites. Women are affected twice as frequently as men, and generally present in the fifth to sixth decade of life with a painless ihaoral mass. The palatal mass is, on average, about 2 cm in greatest dimension. The tumors are submucosal, identified below an intact mucosa as a well-circumsc...
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 submandibula...
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