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TROPICAL/INFECTOPARASITARY DERMATOLOGY • An. Bras. Dermatol. 96 (6) • Nov-Dec 2021 • https://doi.org/10.1016/j.abd.2021.04.009   copy

Histoid leprosy presenting as a large tumor☆ ☆ How to cite this article: Fernandes TRMO, Andrade VJS, Nascimento ID, Matias AKS. Histoid leprosy presenting as a large tumor. An Bras Dermatol. 2021;96:759-61. ,☆☆ ☆☆ Study conducted at the Universidade Federal do Vale do São Francisco, Petrolina, PE, Brazil.

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Abstract

Histoid leprosy is a rare form of multibacillary leprosy, characterized by the presence of papules, plaques, or nodules whose appearance is keloid-like, skin colored, or erythematous. Fusiform cells are the main histopathological feature. Due to the fact that it can simulate other dermatological lesions, for example, dermatofibroma and neurofibroma, it constitutes a diagnostic challenge for clinicians and pathologists. It is a bacilliferous form of leprosy, and it plays an important role in disease transmission. A case of a patient with histoid leprosy living in the Northeast Region of Brazil is reported.

KEYWORDS
Leprosy; Leprosy, lepromatous; Leprosy, multibacillary

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