NODULAR AND DIFFUSE DERMATITIS
NODULAR - HISITOCYTES PREDOMINATE -Tuberculoid
| Verrucous hyperkeratotic | Tuberculosis Primary cutaneous |
| Necrosis slight to moderat | Lupus vulgaris |
| Necrosis severe | Scrofuloderma Milliary |
| Plasma cells numberous | Leishmaniasis, chronic cutaneous Syphilis, late secondary Brucellosis |