Iatrogenic Kaposi's sarcoma caused by corticosteroids*

To the Editor, Kaposi ́s sarcoma (KS) is a malignant neoplasm of endothelial cells with low proliferation, described by Moritz Kaposi in 1872. It is classified into four groups: endemic, reported in African regions; epidemic, which is acquired immune deficiency syndrome(AIDS)-related; classic, at first reported primarily in Ashkenazi Jews and Mediterranean peoples, indicating a genetic relationship; and iatrogenic, which affects immunosuppressed patients of autoimmune and malignant diseases, and transplanted recipients. A 36-year-old female patient was diagnosed with lepromatous leprosy in 2008. After a five-month multibacillary treatment (dapsone, rifampicin and clofazimine), erythematous and painful nodules disseminated throughout her body. Type 2 reaction was diagnosed and treated with prednisone 40 mg/day, ranging from 20-60 mg/day according to the patient’s response. Treatment lasted