Comedones: MedlinePlus Medical Encyclopedia

P Comedones are small, flesh-colored, white, or dark bumps that give skin a rough texture. The bumps are caused by acne. They are found at the opening of skin pores. A solid core can often be seen in the middle of the small bump. Open comedones are blackheads and closed comedones are whiteheads.

T Alternative Names
P Skin bumps - acne-like; Acne-like skin bumps; Whiteheads; Blackheads

T Images
- Acne - close-up of pustular lesions
- Blackheads (comedones)
- Blackheads (comedones) close-up
- Acne, cystic on the chest
- Acne, cystic on the face
- Acne, vulgaris on the back
- Acne, close-up of cysts on the back
- Acne, cystic on the back

T References
P Habif TP. Acne, rosacea, and related disorders. In: Habif TP, ed. Clinical Dermatology. 6th ed. Philadelphia, PA: Elsevier; 2016:chap 7.
P Patterson JW. Diseases of cutaneous appendages. In: Patterson JW, ed. Weedon's Skin Pathology. 4th ed. Philadelphia, PA: Elsevier Churchill Livingstone; 2016:chap 15.

T Review Date 10/31/2016
P Updated by: Kevin Berman, MD, PhD, Atlanta Center for Dermatologic Disease, Atlanta, GA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

