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目的:探讨多排螺旋CT胸部平扫在小儿动脉韧带钙诊断中的价值。方法:将1 000例行多层螺旋CT检查的小儿分成5组:A组(<1岁),B组(1~3岁),C组(3~6岁),D组(6~12岁),E组(12~18岁)。由2名医师根据轴位和冠状位CT图像的表现来判断小儿动脉韧带钙化的发生率以及动脉韧带钙化的征象。结果:多排螺旋CT检出的小儿动脉韧带钙化的发生率明显较高(33.60%)。A组至E组的发生率分别为32.67%、44.31%、39.88%、33.04%和5.88%。发生钙化的最小年龄为42天。CT轴位结合冠状位重建图像观察典型的钙化特征包括:点状188例、条状132例、曲线形46例、壶腹形40例。结论:多排螺旋CT平扫发现小儿动脉韧带钙化的发生与年龄没有相关性,其发生率比以往更常见。
Objective: To investigate the value of multislice spiral CT in diagnosing calcium in pediatric artery ligament. Methods: A total of 1 000 children undergoing multi-slice spiral CT were divided into five groups: group A (<1 year old), group B (aged 1-3 years), group C (3-6 years old), group D Years old), E group (12 ~ 18 years old). Two physicians judged the incidence of calcification of the ligament of the pediatric artery and the signs of calcification of the ligament of the artery based on the axial and coronal CT images. Results: The incidence of calcification of pediatric articular ligament detected by multislice spiral CT was significantly higher (33.60%). The incidence of group A to group E was 32.67%, 44.31%, 39.88%, 33.04% and 5.88%, respectively. Calcification of the minimum age of 42 days. Typical calcifications were observed with CT and coronal reconstructions. There were 188 cases of punctate, 132 cases of stripe, 46 cases of curve and 40 cases of ampulla. CONCLUSION: Multi-slice spiral CT scan found no correlation between age of infantile ligament calcification and its incidence was more common than before.