Skin Infections

Question 1

Leprosy- Intro, Incubation period, Types.

Answer 1

It is a chronic granulomatous disease of humans, affecting any tissue or organ which causes bony deformities and disfigurement if untreated.

Incubation period= 5-7 years

WHO Types:
1) Paucibacillary : Should fulfil 3 criteria — i) 1-5 skin lesions ii) No nerve involvement iii) Slit skin smear negative for lepra bacilli

2) Multibacillary- Criteria— i) >5 skin lesions ii) Neuritis present iii) Slit skin smear positive for bacilli

Ridley Joplin Classification:

Tuberculoid (TT)
Borderline Tuberculoid (BT)
Borderline (BB)
Borderline Lepromatous (BL)
Lepromatous (LL)