Introduction

Pathogenesis of TB

Granulomatous Reaction Pattern

Tuberculoid Granulomas

Classification of Cutaneous TB

I. EXOGENOUS

II. ENDOGENOUS

III. TUBERCULIDS

IV. CUTANEOUS TB 2RY TO BCG VACCINATION

EXOGENOUS EXPOSURE

Tuberculous Chancre

T B Verrucosa Cutis

ENDOGENOUS

SPREAD

Scrofuloderma

Lupus Vulgaris

Orificial TB

Miliary TB

Tuberculous Gumma

TUBERCULIDS

Papulonecrotic Tuberculid

Lichen Scrofulosorum

Erythema Induratum (of Bazin)

Dx of TB

TST/PPD

IGRA

Culture

Rx of TB

Prophylaxis of TB

BCG

BCG: vaccination with

attenuated M. bovis