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Tuberculoid Leprosy Masquerading As Erythema Induratum, Manuel Britto, Danish M. Siddiq, Michael Morgan, Anthony Dedea, Utpal Patel

HCA Healthcare Journal of Medicine

Introduction

Erythema Induratum (EI) is a relatively rare dermatologic disorder affecting subcutaneous fat tissue, which is often associated with Mycobacterium tuberculosis. This report details the presentation, diagnosis and management in a 70-year-old female who presented with a painful erythematous annular rash at the clinic. The rash was later diagnosed as EI associated with Mycobacterium leprae, one rarely seen in literature.

Discussion

EI is a rare form of panniculitis that typically presents as a recurrent grouping of tender nodules and plaques on the posterior aspect of the lower legs. Although EI is considered idiopathic in most cases, it can be associated …