差分

*====lymphadenitis - hilar/other====**cold abscess**more common in cervical and hilar**possibly in axillar, inguinal and abdominal**hilar adenitis DDx - sarcoidosis, lymphoma, histoplasmosis*====pleural====**usually uni-lateral**effusion high LDH, high protein, high lymphocyte*====pericardial====**cardiac tamponade**sequele - carcified pericardium*====intestinal====**can mimic Crohn's disease**most common in ileocecal*====meningitis====**often involves 3rd and 6th cranial nerves**meningeal irritation signs often unaccompanied*====cerebral tuberculoma====**DDx primary CNS lymphoma*====Pott's disease (vertebral destruction due to TB)====**kyphosis, gibbus formation**sometimes extends to psoas muscle abscess; *====arthritis====**synovial fluid does not necessarily contains enough TB bacteria; fluid culture may miss diagnosis**IGRA could be clue*====skin===**erythema nodosum ***DDx - TB, cryptococcal, sarcoidosis, UC, oral contraceptive, ≈50% idiopathic**lupus vulgaris