Abstract
The majority of parotid gland tumors is benign with a vast histologic diversity. But, malignant transformation, even though rare, can occur for almost each histological type. Multiple predictive factors are determined as well as the histologic findings corresponding to the transformation. Through this mini review, we expose the malignant potential of each histological type of benign parotid gland tumors, describing the incidence and the forms of the transformation.
Highlights
The majority of parotid gland tumors is benign (80%) with a vast histologic diversity
Even though considered benign, these tumors have a propensity for recurrence after treatment and mostly a no negligible risk of malignant transformation concerning almost all the histological types, requiring early care and close follow up
Whartin’s tumor still considered as a plainly bening tumor, so, the treatment proposed in the literature can be based on a parotidectomy reducing the risk of recurrence or, more conservative, an enucleation or only a close follow-up without removal [9]
Summary
The majority of parotid gland tumors is benign (80%) with a vast histologic diversity. Even though considered benign, these tumors have a propensity for recurrence after treatment and mostly a no negligible risk of malignant transformation concerning almost all the histological types, requiring early care and close follow up. Pleomorphic adenoma is the most common benign parotid gland tumor.
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