Abstract: Objective To study the imaging characteristics of pulmonary tuberculosis in patients with diabetes mellitus.  Mehtods75 patients with pulmonary tuberculosis complicated with diabetes mellitus were collected as a study group, and 75 patients with pulmonary tuberculosis only were considered a control group. All patients were performed chest CT scan. The findings were compared between the two groups. Results Lesion locations were not different with statistics in two groups. Lesions in the study group distributed more one lobe than that of the control group with statistical difference. The frequency of cavity,mass and infiltration were more higer in the study group with statistically singificant difference. Conclusion s The extent of lesions is extensive in imaging of pulmonary tuberculosis patients with diabetes mellitus,cavity, mass and infiltration shown in CT imaging are very common.

Key words: tuberculosis, pulmonary/radiography, tomography, x-ray computed, diabetes mellitus