Hookworm-related cutaneous larva migrans
- Peter F Weller, MD, MACP
Peter F Weller, MD, MACP
- Editor-in-Chief — Infectious Diseases
- Section Editor — Tropical Medicine
- William Bosworth Castle Professor of Medicine
- Harvard Medical School
- Professor of Immunology and Infectious Diseases
- Harvard T. H. Chan School of Public Health
- Karin Leder, MBBS, FRACP, PhD, MPH, DTMH
Karin Leder, MBBS, FRACP, PhD, MPH, DTMH
- Section Editor — Travel Medicine
- Head of Infectious Diseases Unit
- Monash University, Australia
Cutaneous larva migrans (CLM) is a clinical syndrome consisting of an erythematous migrating linear or serpiginous cutaneous track; an alternative term is creeping eruption.
It most frequently occurs as a result of human infection with the larvae of the dog or cat hookworms, Ancylostoma braziliense or Ancylostoma caninum; it also may be caused by larvae of other animal parasites that are not natural human parasites .
CLM caused by an animal hookworm is commonly referred to as hookworm-related cutaneous larva migrans (HrCLM) .
Issues related to CLM caused by human infection with larvae of dog or cat hookworms will be reviewed here. Issues related to human hookworm infection (caused by Ancylostoma duodenale or Necator americanus) are discussed separately. (See "Hookworm infection".)
The hookworms responsible for cutaneous larva migrans (CLM) are distributed worldwide; infection is more frequent in warmer climates, especially in the tropical and subtropical countries of Southeast Asia, Africa, South America, Caribbean, and the southeastern parts of the United States. Larvae are found on sandy beaches, in sand boxes, and under dwellings.
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