PDF | Basal cell adenoma of the salivary glands is an uncommon type of monomorphous adenoma. Its most frequent location is the parotid. O-Z: oncocytoma oncocytosis oxyphilic carcinoma papillary adenocarcinoma pleomorphic adenoma polycystic disease polymorphous low. Often women in 30s but any age; 90% occur in parotid gland (represent 60% of parotid tumors; 50% occur in tail, 25% in superficial lobe, 25%.
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A clinicopathologic study of pleomorphic adenomas of parottida major salivary glands. Pleomorphic adenomas PA are the most common histologic type of salivary gland tumors. Malignant transformation may occur in the setting of recurrent or longstanding disease. Evaluate the clinicopathologic characteristics of PA of the major salivary glands, particularly tumors showing signs of malignant transformation.
The clinical and histopathologic characteristics of cases of PA were evaluated retrospectively. The mean patient age was There was a predominance of female patients The parotid was the most commonly affected gland The tumor had been present for over a year in The extracellular matrix varied from myxochondroid Squamous metaplasia was present in Features associated with malignant transformation were incommon: The histopathologic diversity of PA was confirmed.
Features associated to malignant transformation were unfrequent.
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