Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Pineal region tumor

Medically reviewed by Min Clinic Staff | Updated: January 2026

Pineal region tumor: A brain tumor on or near the pineal gland. There are multiple types of pineal gland tumors, most of which are not cancerous but can nonetheless cause extreme distress. Diagnosis is made via biopsy of affected tissue. Benign pineal tumors are treated with surgery; malignant tumors may be treated with surgery, radiation therapy, and/or chemotherapy.