Dermoscopy Before and After Treatment of Cutaneous Larva Migrans: Through the Dermoscope

January 2022 in “ Indian dermatology online journal ”

Shagufta Rather, Aaqib Aslam, Faizan Younus

cutaneous larva migrans CLM dermoscopy hookworm histopathological correlation

TLDR Dermoscopy may not show hookworms clearly, and comparing it with tissue studies could improve diagnosis accuracy for skin conditions caused by parasites.

The document discusses a case of Cutaneous larva migrans (CLM), a skin condition caused by the larvae of certain parasites, in an adult male. The patient, a paddy farmer, presented with an itchy, exudative eruption on both feet. Dermoscopic examination was carried out before and after treatment, revealing various features such as a pink and purple structureless area in a linear, serpiginous, and winding pattern, corresponding to the track created by the migration of the larva. After treatment, the dermoscopic findings showed changes such as golden-brown to dark brown and black crust against a pale brown structureless background arranged in a linear serpiginous track-like fashion. The document concludes that the typical magnification offered by dermoscopy (10–20 ×) may not be enough to discern a hookworm, one of the causes of CLM, and suggests that histopathological correlation with dermoscopic findings may further elucidate the accuracy of dermoscopy in the diagnosis of this entity.

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