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Question

A 40-year-old male, upon returning from a beach holiday, noticed a serpiginous, intensely pruritic linear lesion over the dorsum of foot which moved slowly across the skin to reach up to his toes in 5-6 days. The most likely clinical diagnosis is:

This question was previously asked in
UPSC CMS 2026 Surgery, Gynaecology & Obstetrics, and PSM Question Paper (02-Aug-2026)
The correct answer is

Cutaneous larva migrans

Cutaneous larva migrans, caused by animal hookworm larvae (e.g., Ancylostoma braziliense) penetrating skin exposed to contaminated sand (typical of beach exposure), produces a slowly migrating serpiginous, intensely pruritic linear track, classically over the feet.

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