Abstract：Objective To compare the automatic bone removal degree and blood vessel display effect of dual-energy bone removal (DE) CT angiography (CTA) and neuro-digital subtraction angiography (DSA). Methods A total of 39 cases of second-generation dual-source CT dual-phase dual-energy neck angiography were performed in this retrospective analysis. DE-CTA and Neuro-DSA were used for automatic bone removal, aftermaximum density projection, and volume reorganization, with double-blind method, the degree of bone removal and vascular lumen display were scored, and the statistical differences between the two were compared. Results The bone removal score of DE-CTA was (3.74±0.44), which was higher than (2.54±0.85) of Neuro-DSA (P<0.05)| the integrity score of DE-CTA was (2.82±0.72), which was low than (3.38±0.85) of Neuro-DSA (P<0.05). Conclusion DE-CTA has low radiation dose and excellent bone removal ef?ciency, but when excessive bone removal causes vascular defects, Neuro-DSA can be used as a supplement.
陈海东，李嘉敏，周蓉，刘志兵. 二代双源CT颈部血管双期双能量扫描去骨方法的探讨[J]. 中国医疗设备, 2020, 35(10): 87-90.
CHEN Haidong, LI Jiamin, ZHOU Rong, LIU Zhibing. Discussion on the Bone Removal Method of the Second-Generation Dual-Source
CT Neck Vascular Dual-Phase Dual-Energy Scanning. China Medical Devices, 2020, 35(10): 87-90.
Lell M,Anders K,Klotz E,et al.Clinical evaluation of bone subtraction CT angiography (BSCTA) in head and neck imaging[J].Eur Radiol,2006,(16): 889-897.
