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Scabies

Initial Evaluation

Erythematous, crusted, excoriated papules, pustules, and vesicles. Linear burrows representing the path of the mite through the skin may also be seen. Wrists, interdigital web spaces, axilla, genitalia are typically affected sites.

Infants may present with typical features seen in adults but also with a vesiculo-pustular eruption of the palms and soles in association with linear burrows.

Hyperkeratotic lesions of crusted scabies.

Infants may present with typical features seen in adults but also with a vesiculo-pustular eruption of the palms and soles in association with linear burrows.

Diagnostic scraping shows scabies mites and eggs*.

*Reproduced from http://www.dpd.cdc.gov/dpdx/Default.htm.

Differential diagnosis

Atopic dermatitis