Keratoacanthoma
Erythematous, skin-coloured, firm, dome-shaped nodule with central keratin-filled crater.
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Erythematous, skin-coloured, firm, dome-shaped nodule with central keratin-filled crater.
Violaceous cutaneous nodules on the lower extremity. (Courtesy Dr. J. Murray)
Round, firm, yellow/flesh coloured, mobile nodule; may observe a follicular punctum on the overlying epidermal surface.
A domed, regularly bordered, smooth, round, dark brown papule.
Cherry angioma (Campbell DeMorgan Spot)
Bright red, dome-shaped vascular papules with a 1-5 mm diameter.
Hyperkeratotic, erythematous, slightly elevated papules and patches with a rough surface on sun-exposed skin. (Courtesy Dr. C. Forrest)
Hyperkeratotic, erythematous, slightly elevated papules and patches with a rough surface on sun-exposed skin. (Courtesy Dr. S. Walsh)
Diffuse area of mild scaling and hair loss. Erythema and pyoderma are occasionally present.
Sharply demarcated, circular patch of hair loss on scalp. Look for “exclamation mark” hairs at the periphery.
Prominent facial erythema, telangiectasia, rhinophyma, and scattered papules. (Courtesy Dr. L. From)