Fig. 9

Tubercular Infection. Frontal chest radiograph in a 9-year-old HIV-positive male demonstrates confluent ill-defined nodular air-space opacities involving left lower zone (arrow, A). Ultrasound abdomen shows multiple mesenteric & retroperitoneal lymph nodes (arrow, B), some of which showed conglomeration and necrosis. His CD4 count was 256 cells/cu.mm, and Mantoux was strongly positive. Sputum could not isolate any microbe. On the basis of combined clinico-radiological findings, positive Mantoux test and CD4 count, antitubercular therapy (ATT) was started and patient improved both clinically and radiologically, showing complete resolution of the lesion (arrow, C)