Also known as Hansen's Disease
Infectious disease caused by Mycobacterium leprae
Most new cases found in developing countries
Level 3 Countries with higher numbers of cases include: India, Brazil, Indonesia, Bangladesh, Nigeria
Means of transmission not fully understood - likely respiratory.
Has variety of clinical and histopathologic manifestations due to broad range of cellular immune response
Level 3 Countries with higher numbers of cases include: India, Brazil, Indonesia, Bangladesh, Nigeria
Disease spectrum ranges from strong immune reaction and few organisms (tuberculoid) to weak immune reaction and numerous organisms (lepromatous)
Categories
Tuberculoid (TT)
Borderline tuberculoid (BT)
Mid-borderline (BB)
Borderline lepromatous (BL)
Lepromatous (LL)
Indeterminate (I)
Tuberculoid (TT)
Borderline tuberculoid (BT)
Mid-borderline (BB)
Borderline lepromatous (BL)
Lepromatous (LL)
Indeterminate (I)
Close contact with infected person
Type of<unk>  in the contact (lepromatous may be more contagious than tuberculoid)
Armadillo exposure
Increased age
Genetic influences
Type of<unk>  in the contact (lepromatous may be more contagious than tuberculoid)
Leprosy
SLE
Onychomycosis
Sarcoidosis
Tinea
Syphilis
Trichinosis
Erythema nodosum