Lucio phenomenon in a patient of lepromatous leprosy from India.

Clinical diagnosis of lepromatous leprosy with Lucio phenomenon, necrotic erythema nodosum leprosum, vasculopathy or medium vessel vasculitis were considered. Case Letter 67 Indian Journal of Dermatology, Venereology and Leprology | Volume 87 | Issue 1 | January-February 2021 Lucio phenomenon in a patient of lepromatous leprosy from India Sir, Lucio phenomenon is a rare type of reaction pattern found in untreated patients with diffuse non-nodular leprosy, endemic in Mexico. A rare form of lepra reaction is Lucio phenomenon which occurs due to the proliferation of lepra bacilli inside endothelial cells resulting in vascular occlusion and vasculitis. Positive treatment response to only antileprosy treatment further supported the diagnosis. [Extracted from the article]