AccessMedicine's Image of the Week: Erythema Migrans

From: Fitzpatrick's Dermatology, 9e

Julie Grishaw, ACNP Sep 27, 2021

Erythema migrans. Note the lack of central clearance. This is the most common form of EM rash in the United States, appearing as an expanding, homogeneous, round or oval erythematous rash.

A picture shows expanding, homogeneous, round or oval erythematous rash without central clearing in larva migrans lesion in Lyme infection