Fig. 13

Tubercular Infection. Chest radiograph (A) was normal in this 12-year-old HIV-positive male, who presented with fever since 4 days. CECT chest (B,C,D) was then done, which showed subsegmental area of GGO along with ill-defined centrilobular nodules in RUL, predominantly involving posterior segment (arrows in B,C). Ultrasound abdomen revealed multiple mesenteric lymph nodes, some of which showed central necrosis (not shown). Sputum could not isolate any microorganism, BAL isolated Mycobacterium tuberculosis. CD4 count was 150 cells/cu.mm. On basis of these findings, ATT was started and patient showed clinical improvement within 10 days of start of ATT