+ General Considerations
- Benign tumors arising from hair matrix cells and particularly pilar matrix cells
- Mean age 8.2 years
- Breed predisposition: Kerry Blue Terrier and Miniature Poodle
- Sites: shoulder and lumbrosacral region
- Slow growing, well-encapsulated, and often mineralized with 33% cystic and 33% hyperpigmented
- Malignant pilomatricoma is rare (2 cases reported) with metastasis to neurologic structures
- Treatment: surgery
- Prognosis: excellent