Fig. 2
Male, 57 years old. Pulmonary nodule was found in left upper lobe. Tuberculosis in lower left lobe confirmed by postoperative pathological diagnosis a monochromatic image, 70 keV, arterial and venous phase; b arterial phase iodine image, ICAP = 8.43 mg/ml; c venous phase iodine image, ICVP = 8.55 mg/ml; d arterial phase spectral energy curve; e venous phase spectral energy curve, the slope of 40–70, 70–100 and 100–140 keV are 1.84, 0.25, 0.17, respectively; f pathologic samples after surgery; g pathological section image (HE dye, ×100)