Infection with Mycobacterium leprae can result in different clinical forms ot leprosy
Tuberculoid leprosy
Lepromatous leprosy
Organisms show florid growth _in macrophages_
Low infectivity
High infectivity
Granulomas and local inflammation. Peripheral nerve damage
Disseminated infection.
Bonę, cartilage, and diffuse nerve damage
Hypergammaglobulinemia
Normal serum immunoglobulin levcls
Normal T-cell responsiveness. Specific response to M. leprae antigens
Low or absent T-cell responsivoncss. No response to AL leprae antigens
Figurę 11-6 part 1 of 2 Immunobiology, 6/e. (O Garland Science 200$)