Histoid, a clinical variant of multibacillary leprosy: report from so-called nonendemic areas.

This is a hospital-based study of 25 biopsy-proven cases of histoid leprosy in the arid, northwest Rajasthan region of India. Over an 11-year span, a total of 893 new cases of leprosy were diagnosed at our institution. These 25 histoid cases thus make up 2.8% of our new patients. Various clinical and laboratory observations are summarized and compared to other published series.