UNIV ebramatleswoe Skin lesions: LM large amounts of lepra cells and a few lymphcytes infiltration enclose vessels and appendages Clear line(grenz zone
LM: large amounts of lepra cells and a few lymphcytes infiltration enclose vessels and appendages Clear line (grenz zone ) Lepromatous leprosy Skin lesions:
UNIV debuomadows leady Peripheral her es: ulnar and peroneal nerves Symmetrically invaded with mycobacteria, with minimal inflammation Loss of sensation and trophic changes Lymp hy: foamy histiocytes in the paracortical areas, with enlargement of germinal centers splenIc Iyer
Lepromatous leprosy Peripheral nerves：ulnar and peroneal nerves Symmetrically invaded with mycobacteria, with minimal inflammation Loss of sensation and trophic changes. Lymph nodes: foamy histiocytes in the paracortical areas, with enlargement of germinal centers splenic red pulp Liver testes
UNIV Comparison Tuberculoid type epromatous type Incidence 70% 20% Immune response Intense Subdued Skin lesion Macula or papula Protuberant, large tuberculoid. few bacilli amount of bacilli Lepromin test Humoral antibody (+++) Involved tissue Limited to skin and Extend to other organs nerves process Develop slowly Relative fast Infectivity Weak Strong
Tuberculoid type Lepromatous type Incidence 70% 20% Immune response Intense Subdued Skin lesion Macula or papula, tuberculoid, few bacilli Protuberant, large amount of bacilli Lepromin test (+) (-) Humoral antibody (+/-) (+++) Involved tissue Limited to skin and nerves Extend to other organs process Develop slowly Relative fast Infectivity Weak Strong Comparison
S72
Sexually Transmitted Disease S T D
UNIV venevealDiseadee, wD five classic venereal diseases Syphilis Gonorrhea chancroid granuloma inguinale ymphogranuloma venereum
Venereal Diseases, VD five classic venereal diseases Syphilis Gonorrhea chancroid granuloma inguinale lymphogranuloma venereum