正中矢状面

方法选择126例患者行胸部CT扫描并予正中矢状面重建。

Methods 126 patients ′ chest CT images were obtained and reconstructed on middle the sagittal plane .

106名正常人正中矢状面颅底及颅颈交界距离及角度的MRI测量

Measurements of the Distances and the Angles at the Cranial Bases and the Cranio-cervical Junctions from MRI on the Central Sagittal Slices of 106 Normal Chinese

结合15例正常成人头部正中矢状面标本，对30例正常成人大脑的连合纤维在正中矢状位MRIT1加权像上的表现进行观测。

T1-weighted imaging in MRI of thirty cases of the cerebral commissural fibers were compared with fifteen anatomic samples , and the cerebral commissural fibers were measured in the middle sagittal slices .

方法选取200例检查结果为阴性的头颅MRI影像学资料，在正中矢状面T1WI上对直窦的长度、倾斜度、与胼胝体压部的关系进行测量和分析。

Methods The length and inclination of the straight sinus were measured , and the relationship between the straight sinus and the splenium was analyzed on T1-weighted MRI midsagittal sections in 200 negative cases .

方法在颅脑正中矢状面上分别对50例ChiariⅠ畸形患者及50例不伴有中枢神经系统疾患者的后颅窝骨性及神经结构进行测量。

Method The posterior cranial fossa structures on mid - sagittal MR image were measured in 50 patients with malformation Chiari ⅰ and 50 controls without disease of central nervous system . The t - test was used for statistical analysis .

方法在MR正中矢状面T1WI上观察了260例正常成人腰骶段椎管内脂肪的分布特点，并测量脂肪厚度及椎管前后径，对测量结果行统计学分析。

Methods Sagittal images of lumbosacral canal fat on MRI T_ ( 1 ) WI in 260 normal adults were observed . The distribution characters of the fat were studied on mid-sagittal plane . The thickness of anterior and posterior epidural fat and the canal diameter were measured and analyzed .

结论：膝关节结构在经胫骨粗隆后方2.5cm处的冠状断面、膝部的正中矢状面和经骸骨尖下方横断面上最为典型。

CONCLUSION : Knee has most typical strue-ture on coronal section 2.5 cm back of tuberosity of tibia , on sagittal section and transverse section through patellar tip level .

方法对106名正常国人及2例BI、3例Chiari畸形病人颅底及颅颈交界（CCJ）区MRI正中矢状面T2WI及T1WI上的10个点间的距离测量，计算出有关夹角。

Methods The associated angles were calculated based on the distances measured between ten points on MRI Ti WI and TiWI of the central sagittal slices at the cranial bases and the CCJs of 106 cases of normal Chinese , two patients with BI and three patients with Chiari malformation .

方法依据Nahum头颅冲击尸体实验参数，对有限元模型加载额部冲击载荷，载荷位于正中矢状面上，由前向后，呈正弦波形，峰值6.8kN，时程15ms。

Methods Based on the Nahum 's cadaver experiment data , a frontal impulsion of the skull was simulated by the three-dimensional finite element model . The impulsion was a sine-squared were peaked 6.8 kN with 15 ms duration .

两穿刺点所在斜面与正中矢状面夹角为30.3°±7.7°。

The angle between the inclined plane and the sagittal plane is 30 . 3 ° ± 7 . 7 ° .