Pictures of Pleomorphic Adenoma
Benign Mixed Tumor
This page was last updated on: October 4, 2014
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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
OTOLARYNGOLOGY - HEAD & NECK SURGERY
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Houston, Texas 77043
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