[Leprosy. Classification--clinical aspects--diagnosis--therapy].

This paper reports on the causative organism of M. leprae, its mode of transmission, its classification into polar and interpolar forms, its diagnostic methods including skin smear, skin and nerve biopsy as well as on its treatment. The leprosy reaction presents a main complication of leprosy and can be considered as an emergency. Its pathomechanism, symptoms and treatment are mentioned.