... investigations used to diagnose the common forms of extra-pulmonary TB. In most ofthese cases, TB will be suspected from the clinicalpicture and confirmed by histology or other specialinvestigations.3 ... registered with the NTP as smear-positive pulmonary, smear-negative pulmonary TB,or extra-pulmonary TB, and as a new case or a previ-ously treated case. The standard case definitions are the following:1 ... chemotherapy.3 Extra-pulmonary TB: Children with only extra-pulmonary TB (i.e., TB of organs other than the lungs) should be classified under this case defini-tion. Children who have both pulmonary...