Based on presence of any one of the following Cardinal signs.
|Cardinal Signs of Leprosy
|Method of Eliciting
|Hypopigmented or reddish
Skin lesion(s) with definite loss of sensation
|Anaesthesia on the patch to be elicited by testing for touch, pain and temp. sensation
|Thickening of peripheral nerves with loss of sensation and weakness of the muscles of the hands, feet or face
|Examination of peripheral nerves e.g 1) Greater Auricular 2) Radial 3) Ulnar 4) Median 5) Lateral Popliteal 6) Posterior Tibial etc.
|Demonstration of Mycobacterium Leprae (M.leprae) in the lesions
|Acid fast staining and examination Under oil immersion microscope
Pre–requisites of Good Clinical Examination
- Assurance & counseling of patients and/or family.
- Essentially in good daylight.
- Exam. of whole body with courtesy & respect to patient's privacy.
- Examination of female patient as far as possible by a female doctor or at least in the presence of one female.
- The location of skin lesions be marked on a simple body outline.
- One or few typical skin lesions should be tested for loss of sensation.
- The main peripheral nerve trunks should be palpated to certain any thickening and tenderness.
- Eyes, hands and feet should be examined.
|MB (Multi Bacillary)
|Upto 5 lesion
|6 and above
|No nerve involvement or only one nerve involvement
|more than one nerve trunk involvement