1 Types Of Acne Tue Jan 19, 2010 12:48 am
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NOTE: The following guide is not intended to be used for conclusive self-diagnosis; it’s best to consult a dermatologist if your [You must be registered and logged in to see this link.] persists. These definitions may be used to help you decide whether or not you should consider seeking medical attention.
Types of Acne - NON-INFLAMMATORY ACNE:
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Closed comedo, or whitehead. If the plugged follicle stays below the surface of the skin, the lesion is called a closed comedo, or whitehead. They usually appear on the skin as small, whitish bumps.
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Open comedo, or blackhead. If the plug enlarges and pushes through the surface of the skin, it's called an open comedo, or blackhead. The plug's dark appearance is not due to dirt, but rather to a buildup of melanin, the skin's dark pigment.
Types of Acne - INFLAMMATORY ACNE:
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Papule. The mildest form of inflammatory [You must be registered and logged in to see this link.] is the papule, which appears on the skin as a small, firm pink bump. These can be tender to the touch, and are often considered an intermediary step between non-inflammatory and clearly inflammatory lesions.
Pustule. Like papules, pustules are small round lesions; unlike papules, they are clearly inflamed and contain visible pus. They may appear red at the base, with a yellowish or whitish center. Pustules do not commonly contain a great deal of bacteria; the inflammation is generally caused by chemical irritation from sebum components such as fatty free acids.
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Nodule or Cyst. Large and usually very painful, nodules are inflamed, pus-filled lesions lodged deep within the skin. Nodules develop when the contents of a comedo have spilled into the surrounding skin and the local immune system responds, producing pus. The most severe form of acne lesion, nodules may persist for weeks or months, their contents hardening into a deep cyst. Both nodules and cysts often leave deep scars.
Acne conglobata. This rare but serious form of inflammatory [You must be registered and logged in to see this link.] develops primarily on the back, buttocks and chest. In addition to the presence of pustules and nodules, there may be severe bacterial infection.
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Last edited by Golden Girl on Thu Feb 25, 2010 6:35 pm; edited 2 times in total
2 Re: Types Of Acne Wed Feb 24, 2010 3:03 am
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4 Re: Types Of Acne Fri Feb 26, 2010 7:17 am
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