Comedo

Comedones
Definition:
Comedones are small, flesh-colored, white, or dark bumps that give skin a rough texture. The bumps are found at the opening of a sebaceous follicle (pore). See acne.
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Comedonal acne
Comedones are blackheads and whiteheads, which are associated with increased oil production on the nose, forehead, and chin (T-zone). This form of acne often develops in preteens and during the early teenage years.
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Comedone extraction. The comedo is removed from the pore with a special tool.
Chemical peels. Glycolic acid is applied to peel off the top layer of skin to reduce scarring.
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A comedo, the primary sign of acne, consists of a dilated (widened) hair follicle filled with keratin squamae (skin debris), bacteria, and sebum (oil).
An open comedo has a wide opening to the skin and is capped with a blackened mass of skin debris.
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- Comedones
- Macule
- Nodules
- Pustules
- Rashes
Review Date : 8/15/2003
Reviewed By : Michael Lehrer, M.D., Department of Dermatology, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network.
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Decreases comedo (basic acne lesion) formation
Systemic medications to treat acne:
Systemic medications, or oral antibiotics, are often prescribed to treat moderate to severe acne, and may include the following: ...
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[2] Moderate/marked comedonecrosis was the only pathologic feature that was an independent predictor for ipsilateral breast tumor recurrence.
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Virtually every adolescent experiences some comedones. Generally, acne starts at about age 10 to 13, and lasts for 5 to 10 years.
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Within these spots, or comedones as they are also called, bacteria multiply and cause inflammation, making the skin around the spot swollen, red and sore. The spot swells until it eventually ruptures and then heals, often leaving scarring.
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Blackheads (comedones) are glands plugged with excessive material which discolours on exposure to air. Whiteheads are small collections of pus within glands, and nodules or papules are the red, inflamed areas of more extensive infection.
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Be sure to use skin-care products that won't clog your pores (these are sometimes labeled "non-comedogenic") such as oil-free skin creams and sunscreens.
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Some acne consists only of red bumps on the skin with no open sores (comedonal acne). Topical creams and lotions work best for this type of acne.
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Because these pimples look like teenage acne, rosacea has often been nicknamed adult acne or acne rosacea. However, rosacea has different causes than acne, and adults with rosacea do not have the whiteheads or blackheads (called comedones) commonly ...
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(lesions) may appear and fill with pus, typically in the areas of the groin, armpits or buttocks. The lesions enlarge and often open and drain on their own. Sometimes, a doctor needs to drain them. Scarring may result. Multiple blackheads (comedones) ...
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