Pictures of Pleomorphic Adenoma
Benign Mixed Tumor
This page was last updated on: January 7, 2020
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Pleomorphic adenoma is the most common parotid gland tumor. It accounts for  70-80% of all benign parotid tumors.

Over 84% of pleomorphic adenomas occur in the parotid gland, 8% occur in the submandibular gland, and 6.4% occur in the minor salivary glands.

Pleomorphic adenomas are usually seen in middle aged women and present as a painless slowly growing mass.  Typically, these masses are solitary and well demarcated. They may appear heterogeneous secondary to hemorrhage, calcification, and necrosis.

Sarcomatous transformation is seen in only 2-5% of cases and is usually associated with tumors that have been present for 10-15 years.
Pleomorphic adenoma of the minor salivary glands of the palate.

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This picture shows the pharyngeal component of a right parotid pleomorphic adenoma that has grown medially and presented as a mass in the parotid region and a corresponding one in the pharynx (dumbell-shape)
Pleomorphic adenoma of the submandibular gland.
Click picture for more details of pleomorphic adenoma of submandibular gland
Otolaryngology Houston

Bechara Y. Ghorayeb, MD
Memorial Hermann Professional Building
1140 Business Center Drive, Suite 560
Houston, Texas 77043
For appointments, call: 713 464 2614