Abstract: Objective To analysis the HRCT appearance of military pulmonary tuberculosis.Methods To review conventional CT and HRCT of 28 cases with military pulmonary tuberculosis.The findings of CT and HRCT in chest were compared.Results 12 cases (42.9%) showed “three ehonogenous" characrestic,16 cases (57.1%) showed no “three ehonogenous" characrestic.The distribution of military focuses were in random,mostly distributed in interlobular center,interlobular septum and subpleural of pulmonary interstitium and peribronchovascular interstitium were fewer.Only the zone between of pulmonary lobular center and lobular edge were distrbuted in pulmonary parenchyma.Conclusion The distribution characteristics of military pulmonary tuberculosis can be better showed in HRCT.

Key words: Tuberculosis pulmonary/diagnosis, Tomography,X-ray computed