胸椎椎基静脉孔的CT影像学观测

doi:10.13418/j.issn.1001-165x.2015.06.006

Abstract

Abstract:

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.

Key words: Vertebrae thoraciae, Basivertebral foramen, Digital measurement, Morphological

References

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CT imaging observations of the basivertebral foramen for thoracic vertebrate

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