CAJ | 학술논문

目的：利用多层螺旋 CT(MSCT)在活体个性化观察前床突及颈内动脉(ICA)虹吸部的解剖关系并分别测量其各种数据,为术中磨除前床突提供影像学信息。方法对100例受检者(200侧)常规进行容积再现(volume rendering,VR)重建颅骨,沿眶截骨平面模拟切除颅盖骨,从头侧于轴位图像上观察前床突及其周围的解剖结构,并测量前床突的全长、中长、基底宽、中宽,于矢状位测量双侧床突段 ICA 的曲线长度。结果100例(200侧)前床突左侧全长(9.82±2.48)mm,基底宽(9.47±1.88)mm；右侧全长(10.41±2.16)mm,基底宽(9.66±2.21)mm。前床突左侧中长(5.03±1.55)mm,中宽(6.19±1.75)mm；右侧中长(5.86±2.48)mm,中宽(6.66±1.51)mm。床突段 ICA 的曲线长度左侧(6.74±2.25)mm；右侧(8.54±3.00)mm。左右两侧前床突全长、基底宽度及中宽数据采用配对样本的 t 检验,结果无统计学意义(P >0.05)。中长及床突段 ICA 的曲线长度数据比较的t 检验,结果有统计学意义(P <0.05)。结论 MSCT 能清楚地显示前床突及 ICA 虹吸部的活体解剖及变异,能为术中磨除前床突提供有用的影像学信息。
목적：이용다층라선 CT(MSCT)재활체개성화관찰전상돌급경내동맥(ICA)홍흡부적해부관계병분별측량기각충수거,위술중마제전상돌제공영상학신식。방법대100례수검자(200측)상규진행용적재현(volume rendering,VR)중건로골,연광절골평면모의절제로개골,종두측우축위도상상관찰전상돌급기주위적해부결구,병측량전상돌적전장、중장、기저관、중관,우시상위측량쌍측상돌단 ICA 적곡선장도。결과100례(200측)전상돌좌측전장(9.82±2.48)mm,기저관(9.47±1.88)mm；우측전장(10.41±2.16)mm,기저관(9.66±2.21)mm。전상돌좌측중장(5.03±1.55)mm,중관(6.19±1.75)mm；우측중장(5.86±2.48)mm,중관(6.66±1.51)mm。상돌단 ICA 적곡선장도좌측(6.74±2.25)mm；우측(8.54±3.00)mm。좌우량측전상돌전장、기저관도급중관수거채용배대양본적 t 검험,결과무통계학의의(P >0.05)。중장급상돌단 ICA 적곡선장도수거비교적t 검험,결과유통계학의의(P <0.05)。결론 MSCT 능청초지현시전상돌급 ICA 홍흡부적활체해부급변이,능위술중마제전상돌제공유용적영상학신식。
Objective To observe the anatomy status of the anterior clinoid process (ACP)and the anterior clinoid segment of in-ternal carotid artery (ICA)respectively by multisliced computed tomography (MSCT),and to provide useful imaging information for ACP removal surgery.Methods A total of 100 patients (200 sides)had volume rendering reconstruction of skull.Cranium was removed along cranio-orbital bone in simulation.Then the anatomical structures of the ACP and its surrounding were observed in cephalad direction.The total length,medium length,basic width,medium width of the ACP and the sagittal view curve length of anterior clinoid segment of the ICA from both sides were measured.Results Total length of left ACP was (9.82±2.48)mm,basal width was (9.47±1.88)mm,medium length was (5.03±1.55)mm,medium width was (6.1 9 ±1.75)mm;for right side total length was (10.41±2.1 6)mm,basal width was (9.66 ±2.21)mm,medium length was (5.86 ±2.48)mm,medium width was (6.66±1.5 1)mm.Left anterior clinoid segment of ICA curve length was (6.74±2.25)mm;right was (8.54±3.00)mm.Paired sample t test showed no significant difference in total length,basal width and medium width of ACP in both sides (P >0.05);while the difference in medium length and curve length of the anterior clinoid segment of ICA were statistically significant respectively (P <0.05).Conclusion MSCT can clearly display the vivisection and variation status of the ACP and the anterior clinoid segment of the ICA and can provide useful imaging information for removal of ACP in operation.