pleomorphic adenoma


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Related to pleomorphic adenoma: Warthin's tumor

ple·o·mor·phic ad·e·no·ma

a benign neoplasm composed of salivary gland epithelial and mesodermal elements.

pleomorphic adenoma

See Mixed tumor.

ple·o·mor·phic ad·e·no·ma

(plē'ō-mōrfik ad'ĕ-nōmă)
A benign neoplasm composed of salivary gland epithelial and mesodermal elements.

pleomorphic adenoma (plē´ōmôr´-fik ad´ənō´mə),

n a benign tumor of the salivary gland containing varying proportions of epithelial and mesenchymal elements. The intermediate type of epithelial cells is in sheets, cords, and acini. The mesenchymal tissue varies from myxomatous to cartilaginous to densely hyalinized connective tissue. The marked variations in histologic pattern are responsible for the designation of pleomorphic. Also called
mixed salivary gland tumor.
Enlarge picture
Pleomorphic adenoma.
References in periodicals archive ?
Pleomorphic adenoma (benign mixed tumour) of the salivary glands: Its diverse clinical, radiological, and histopathological presenation.
Pleomorphic adenoma of the trachea mimicking bronchial asthma: Report of a case.
To the best of our knowledge, this case represents the first reported case of a pleomorphic adenoma of the nasal septum to be treated with a radio-frequency knife.
However, this is the first report for genetic aberrations that overlap with those reported in other salivary gland tumors such as carcinoma ex pleomorphic adenoma.
Deletion of the p16 gene and microsatellite instability in carcinoma arising in pleomorphic adenoma of the parotid gland.
Pleomorphic adenomas are generally slowly growing tumors that arise from salivary gland tissue in the superficial lobe of the parotid gland.
Glial fibrillary acidic protein and CD57 immunolocalization in cell block preparations is a useful adjunct in the diagnosis of pleomorphic adenoma.
The results of fine-needle aspiration cytology (FNAC) were suggestive of a pleomorphic adenoma.
Giant presentation of pleomorphic adenoma in major salivary gland.
2 This classification emphasizes that the term carcinoma ex pleomorphic adenoma is imprecise and comprises a spectrum of lesions that is too broad and nonspecific.
If an area of carcinoma ex pleomorphic adenoma (CEPA) is discovered, it is crucial to determine whether it extends beyond the limits of the capsule.
The diagnosis of a submandibular pleomorphic adenoma can be difficult in children.