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39: Cutaneous Larva Migrans
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Published:January 2023
"Cutaneous Larva Migrans", Red Book Atlas of Pediatric Infectious Diseases, Tina Q. Tan, MD, FAAP
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Cutaneous larva migrans is a clinical diagnosis based on advancing serpiginous tracks in the skin with associated intense pruritus. Certain nematode larvae may penetrate intact skin and produce pruritic reddish papules at the site of skin entry. Signs and symptoms typically develop several days after larval penetration of the skin, but in rare cases, onset of disease may be delayed for weeks to months. As the larvae migrate through skin, advancing up to 20 mm per day, intensely pruritic serpiginous tracks are formed, a condition also referred to as creeping eruption. Bullae may develop later as a complication of the...