CT imaging observations of the basivertebral foramen for thoracic vertebrate
Chinese Journal of Clinical Anatomy ›› 2015, Vol. 33 ›› Issue (6) : 641-645.
CT imaging observations of the basivertebral foramen for thoracic vertebrate
Objective By digitizing the measurement of the basivertebral foramen for thoracic vertebrae to discuss the basivertebral foramen (BF) of thoracic spine (T1~12), including the anatomical location, the form and the differences between different vertebral bodies. Methods The 40 healthy adults underwent multi-slice CT thin-layer scan and sagittal CT reconstruction images, using Mimics 13.0 software measurement; the following indices were observed: BF wide (BFW), deep (BFD), high (BFH) in the absolute value; the distance of BF to the vertebral end plates and to the left and the right vertebral edges was measured; the location and shape of the vertebral foramen was observed. Results （1）BFW assumed an overall V-shaped distribution. The min was T6; BFH was steady in T1~3, gradually declining in T4~6, and gradually increasing in T7~11; BFD was graduallyincreasing in T1~3, steady T3~10 , and gradually decreasing in T10~12.（2）Vertebral body up(VHU) and vertebral body below(VHB) of BF are gradually increasing. The min was T1(VHU 7.05±1.27 mm,VHB 7.21±0.87 mm), the max was T12(VHU 11.00±1.10 mm,VHB 11.37±1.48 mm). Vertebral body left (VWL) and vertebral body right(VWR) were gradually decreasing in T1~4, gradually increasing in T5~12, the min was T4(VWL 10.50±1.40 mm,VWR 10.81±1.66 mm), the max was VWL in T12 (VWL 15.74±2.55 mm,VWR 16.23±2.82mm). Conclusion (1) There are many BF inequality of size existent in the middle of vertebral thoracic body; These construction are complex and have difference between each individual segments. (2)The shape of BF in sagittal and coronary sections are anomalism, triangle, rectangle and 11% visible osseous separation. (3)The BF in T1~8、T10、T11 adjoin the centre of vertebral body's posterior paries, and T9 and T12 have left deviation.
Vertebrae thoraciae / Basivertebral foramen / Digital measurement / Morphological
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