ORAL PATHOLOGY: Granular cell tumor

Granular cell tumors
Etiology: It is an uncommon benign tumor of unknown cause
The granular cell that make this tumor is believed to originate from Schwann cells
Clinical features:
Wide age range
Tongue is the most common location
Uninflamed asymptomatic mass < 2 cm in diameter
Overlying epithelium is intact
Unencapsulated sheets of large polygonal cells with pale granular or grainy cytoplasm
Pseudoepitheliomatous hyperplasia
Treatment: Surgical removal