The study of comparison with magnetic resonance microneurography of rabbit sciatic nerve correlated with gross anatomy
- VernacularTitle:兔坐骨神经的磁共振显微神经成像术与大体解剖的对照研究
- Author:
Jun SHEN
;
Cui-Ping ZHOU
;
Bi-Ling LIANG
;
Hua-Qiao WANG
;
- Publication Type:Journal Article
- Keywords:
Sciatic nerve;
Nenrography;
Mangnetic resonance imaging;
Rabbit;
Gross anatomy
- From:
Chinese Journal of Microsurgery
2000;0(04):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the feasibility and accuracy of magnetic resonance microneurog- raphy of sciatic nerve fascicles in rabbil by correlation with the gross anatomy.Methods The 3D T_2-weigh- ted imaging(3D-T_2 MI),3D T_2-weighted imaging plus spectral presaturation with inversion recovety(SPIR), T_1-weighted imaging(T_1 WI)of the sciatic nerve in 10 rabbits were performed on a 1.5 Tesla magnetic reso- nance system.The radiological ananomy and imaging features of sciaticnerve fascicles were observed and the anterior-posterior diameter was measured on 3D T_2-weighted imagingThe imaging evaluation was correlated with the gross anatomy.The T_1 and T_2 relaxation time were determined by multiple echo spin echo and mix se- quecerespectively.Results The libial nerve and peroneal nerve in the main trunk of sciaticnerve in all 10 rabbits could be clearly displayed on the 3D T_2 WI,3DT_2WI plus SPIRand T_1WI.Strikingly,the 3D T_2 WI could delineate the fine branches of the sural nerve and posterior femural cutaneous nervesThe T_1 and T_2 relaxation time were 915 ms40 msrespectivelyGrosslythe anterior-posterior diameter of sciatic nerve trunk was3.17?0.21)mmwhile was(3.15?0.19)on 3D T_2 WI.There was no statistically significant difference(t=0.768,P=0.462).Conclusion With 1.5 Telsa MR system the microneurography of the sci- atie nerve could be achievable and the individual fascicles of sciatic nerve trunk could be clearly and accurately discriminated.
