Primary tuberculosis In a non immunized individual children adult Brief acute inflammation -neutrophils Develop immunity MBBS project, Zhongshan Hospital
MBBS project, Zhongshan Hospital Primary tuberculosis • In a non immunized individual – children, adult • Brief acute inflammation – neutrophils • Develop immunity
Primary Tuberculosis Primary Tuberculosis Self Limited disease 5-6 days invoke granuloma formation 2 to 8 weeks - -Ghon focus(+ lymph node ghon complex or Primary complex) Primary Progressive TB Miliary tB and TB Meningitis Common in malnourished children 10%of adults, immuno-suppressed individuals MBBS project, Zhongshan Hospital
MBBS project, Zhongshan Hospital Primary Tuberculosis • Primary Tuberculosis: — Self Limited disease • 5-6 days invoke granuloma formation • 2 to 8 weeks – healing – Ghon focus (+ lymph node Ghon complex or Primary complex) • Primary Progressive TB — Miliary TB and TB Meningitis. — Common in malnourished children — 10% of adults, immuno-suppressed individuals
Primary or Ghon's Complex MBBS project, Zhongshan Hosp.u
MBBS project, Zhongshan Hospital Primary or Ghon’s Complex
Secondary Tuberculosis Post Primary in immunized individuals Reactivation or reinfection Most commonly males 30-50 y Slowly Progressive( several months) Cavitary granulomatous response MBBS project, Zhongshan Hospital
MBBS project, Zhongshan Hospital Secondary Tuberculosis • Post Primary in immunized individuals • Reactivation or reinfection • Most commonly males 30-50 y • Slowly Progressive (several months) • Cavitary granulomatous response
Cavitary Tuberculosis When necrotic tissue is coughed up→ cavity Cavitation is typical for large granulomas · Cavitation is more common in the secondary reactivation tuberculosis- upper obes. MBBS project, Zhongsha v
MBBS project, Zhongshan Hospital Cavitary Tuberculosis • When necrotic tissue is coughed up cavity. • Cavitation is typical for large granulomas. • Cavitation is more common in the secondary reactivation tuberculosis - upper lobes