摘要
it is presented a case of borderline lepromatous leprosy with 4 years of evolution and cutaneous lesions of difficult diagnosis in the national health system. the histopathological evaluation, which was essential for the diagnosis, showed disorganized granulomatous structures and multiple alcohol -acid resistant bacilli. cases like the one described here are responsible for the contamination of cohabitants and the appearance of new cases of leprosy.