Site Clinical findings Radiographic and other findings Pulmonary Fever, cough, weight loss; hemoptysis and night sweats are rare in young children The most common CXR findings are hilar or mediastinal adenopathy, parenchymal consolidations, freeflowing pleural effusions; cavitary lesions are rare in young children TSTs are positive in most, but can be anergic in overwhelming TB disease AFB cultures positive in 20–40% Peripheral Painless enlargement (2–4 CXR abnormal in up to lymphadenopathy cm) of anterior, posterior 33% cervical, submandibular, TSTs positive in most or supraclavicular nodes AFB cultures positive in with no signs of 75% inflammation Fever or other constitutional symptoms seen in 50– 60% Meningeal Three well-described CXR abnormal in up to stages: 90% I: Headache, fever, CT brain findings can constitutional symptoms include hydrocephalus, leptomeningeal II: Cranial nerve palsies, enhancement, meningismus, some tuberculomas, and alterations in mental vascular infarcts status III: Obtunded or comatose CSF findings: lymphocytic pleocytosis with high