Scabies mimicking pityriasis rosea: Scabies surrepticius

Background: Scabies is a mite infestation caused by Sarcoptes scabiei that is common worldwide. Scabies is diagnosed based on history and exam of the patient, family, and close contacts. Diagnosis is confirmed based on the demonstration of mites, eggs, or mite feces from scrapings of the lesions. The classic presentation of scabies is extreme pruritus and burrows where the mite penetrates the skin and lays eggs. The most common locations of the lesions include the finger webs, flexor surfaces of the wrists, elbows, axillae, buttocks, and genitalia.

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