Ulcerating type 1 lepra reaction mimicking lazarine leprosy: an unusual presentation of immune reconstitution inflammatory syndrome in an HIV-infected patient.

Leprosy maybe "unmasked" in the context of immune reconstitution inflammatory syndrome and treating dermatologists, particularly in highly endemic areas for Hansen's disease, need to be cognizant to this possibility. It may also reflect emergence of a previously clinically silent infection in the course of immunologic restoration.