SEBACEOUS CYST Overview
WHAT IS SEBACEOUS CYST ?
Sebaceous cysts are common non cancerous cysts of the skin which grow slowly under the skin and is easily movable. The primary symptom of a sebaceous cyst is a bump that can occur on any part of the body and the cyst may contain liquid or semiliquid material. Although the cysts are not life threatening but may become uncomfortable if the size grows much. The sebaceous cyst may be epidermoid (originating from the skin) or pilar cyst (originating from the hair follicles). Sebaceous cysts can be found anywhere in the body except for palms and soles. The usual size of a sebaceous cyst varies from 1cm to 5cm.
Sebaceous cyst has no relation with age, race and ethnicity. risk factors for sebaceous cyst includes:
- Injury to skin, wounds or surgery
- Using steroids
- Testosterone administration
- Acne can also lead to formation of sebaceous cyst
Complications of sebaceous cysts are:
- The cyst may get infected causing pain
- The cyst can also rupture
- The cyst can also show inflammation which increases the comolications
SYMPTOMS AND CAUSES
- Sebaceous cyst is a small bump seen under the skin and is usually found on the face, neck, scalp, trunk, back where they can be easily seen except for palms and soles
- Sebaceous cysts are often filled with keratin with a blackhead at the centre.
- Sebaceous cyst is usually soft to touch and vary from size from 1cm to 5cm.
- Small sebaceous cysts are mostly painless but larger cysts can be uncomfortable or painful especially when infected.
- Hair also disappear from the area of sebaceous cyst.