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 Sebaceous cyst

Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026

Sebaceous cyst: A sebaceous cyst is a rounded swollen area of the skin formed by an abnormal sac of retained excretion (sebum) from the sebaceous follicles.