A sebaceous cyst, also known as an epidermoid cyst, is a non-cancerous growth that develops beneath the skin. It originates from the sebaceous glands, which are responsible for producing sebum, an oily substance that lubricates the skin and hair. Sebaceous cysts typically form when the ducts or openings of these glands become blocked, causing the sebum to accumulate and form a cyst.
Here are some key characteristics and features of sebaceous cysts:
 
 
  1. Composition: Sebaceous cysts are filled with a thick, yellowish, cheesy material called keratin, which is a protein that makes up the outer layer of the skin and hair.
  2. Appearance: Sebaceous cysts usually appear as round or dome-shaped lumps beneath the skin. They may vary in size from small pea-sized nodules to larger masses and can feel firm or slightly soft to the touch.
  3. Location: Sebaceous cysts can develop anywhere on the body where there are sebaceous glands, but they are most commonly found on the face, neck, scalp, back, and chest.
  4. Symptoms: Sebaceous cysts are typically asymptomatic and do not cause pain or discomfort unless they become inflamed, infected, or ruptured. In some cases, they may cause cosmetic concerns due to their appearance or location.
  5. Diagnosis: A healthcare professional can usually diagnose a sebaceous cyst based on its characteristic appearance and feel during a physical examination. In some cases, imaging tests such as ultrasound may be used to confirm the diagnosis or evaluate the size and location of the cyst.
  6. Treatment: Sebaceous cysts are usually harmless and may not require treatment unless they cause symptoms or cosmetic concerns. If treatment is desired, surgical excision is the most common method of removal. During excision, the cyst is surgically removed under local anesthesia, and the wound is closed with sutures. In some cases, drainage or steroid injections may be used to reduce inflammation and promote healing.
It's important to have any new or changing lumps or growths evaluated by a general surgeon to ensure proper diagnosis and appropriate management. While sebaceous cysts are generally benign, other types of skin lesions may have similar characteristics and require different treatment approaches.
 
Sebaceous treatment is available at ASPEN Clinic, NIBM Road, Pune by Dr Hina Khan.
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Disclaimer: The information provided here should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. The information is provided solely for educational purpose and should not be considered a substitute for medical advice.