What is steroid acne? Steroid acne begins abruptly within a few weeks of beginning steroid treatment; lesions are usually uniform and, in the case of systemic steroids, concentrated on the upper trunk. The lesions are otherwise indistinguishable from those of acne vulgaris. Image links Dermnet: Multiple Acne Images Other useful links Medline Plus: Acne (also [...]
What is acne rosacea? Acne rosacea is an inflammatory skin disorder with onset in middle-age. It affects the blood vessels and pilosebaceous units of the face, specifically the central third, sparing the lateral aspects of the cheeks and forehead. It appears as a background of erythema and telangiectasias, usually with superimposed papules and pustules. Comedones [...]
What is acne acne neonatorum? Acne neonatorum, also known as neonatal acne or neonatal cephalic pustulosis, presents as papulopustules usually on the cheeks, but also on the forehead, chin, scalp and trunk. Unlike acne vulgaris, comedones are not present (when comedones are present, the diagnosis is infantile acne). The onset is usually at 2-3 weeks [...]
What is acne fulminans? Acne fulminans is a severe form of inflammatory acne that affects teenage boys. It has an acute onset and is marked by cystic lesions with ulceration distributed on the trunk. Comedones and non-inflammatory lesions are absent. Systemic symptoms are present, including fever, fatigue, arthralgias, leukocytosis, and an elevated erythrocyte sedimentation rate. [...]
What is acne conglobata? Acne conglobata is a severe form of cystic acne, typically involving the trunk more than the face. Nodules and cysts often coalesce forming abscesses, draining sinuses and ulcerations. Severe scars can form leading to disfigurement. The cause is unknown, though it is occasionally associated with the XYY chromosomal abnormality. It has [...]