نتایج جستجو برای: pleomorphic adenoma
تعداد نتایج: 24866 فیلتر نتایج به سال:
neoplasms that arise in the salivary glands are relatively rare, yet they represent a wide variety of both benign and malignant histologic subtypes. approximately 70% of the salivary gland tumors affect parotid gland with the submandibular gland being affected in 5-10% of the cases, sublingual gland in 1% and minor glands in 5-15% of the cases. submandibular gland tumors are relatively rare and...
History and Examination: A 30-year lady presented to the General Surgery OPD with complaints of a slow-growing painless swelling in right parotid region for 1 year. single, 4×3 cm, vertically oval, firm, non-tender, freely mobile was palpated region.Investigations: Ultrasonogram revealed well-defined hypoechoic lesion superficial lobe gland- possible Pleomorphic adenoma. USG guided FNAC from sh...
Pleomorphic adenoma is the most frequent type of benign salivary neoplasm located in the mouth and is characterized by its significant histopathological diversity. The histogenesis of the pleomorphic adenoma is uncertain; so far several studies suggest that myoepithelial cells are responsible for the variable histomorphology of this type of neoplasm. At times, stroma is the predominant element....
Pleomorphic adenoma is a benign salivary gland tumor that represents less than 5% of benign tumors in childhood. World literature suggests salivary gland tumors account for less than 3% of the head and neck tumors and benign Pleomorphic adenoma of minor salivary glands arising de novo is very rare. Here we report a case of Pleomorphic adenoma of minor salivary glands occurring on the palate of ...
BACKGROUND This study was carried out to evaluate tumor recurrence following extracapsular dissection of pleomorphic adenomas of the parotid gland. METHODS We conducted a retrospective evaluation and clinical follow-up of the patients who underwent extracapsular dissection of a pleomorphic adenoma as primary surgery in the otolaryngologic department of the Erlangen University Clinics during t...
background and aims. various morphologies are seen in different salivary gland tumorsor within an individual tumor, and the lesions show divers biological behaviors. experimental results support the hypothesis that increased crkii proto-oncogene is associated with cytokine-induced tumor initiation and progression by altering cell motility signaling pathway. the aim of this study was to assess t...
The pleomorphic adenoma, also known as mixed tumor, presents an epithelial and mesenchymal histological structure, being also called epithelioma with altered stroma. The pleomorphic adenoma has a frequency of 70% of major salivary gland tumors, being located preponderantly at the level of parotid gland (52-84%), at the level of submandibular glands (7-17%) and at the level of the other salivary...
Pleomorphic adenoma, also known as mixed tumor, is a benign tumor which typically presents as a painless and persistent mass. The majority of pleomorphic adenomas involve the salivary glands, most commonly the parotid gland. Other sites include breast and skin. It is a rare tumor in the vulva. In this article we are reporting a case of pleomorphic adenoma of labia with characteristic pathologic...
Introduction. Although pleomorphic adenoma is the most common neoplasm of the salivary glands, this tumor most commonly involves the minor salivary glands of palatal and rarely occurs in cervical region. Case Report. A 21-year-old female referred to our clinic due to painless mass of right upper region of neck. After paraclinical and pathologic evaluation, it was diagnosed as cervical pleomorph...
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