MRI diagnosis of Hirayama disease
- VernacularTitle:平山病的MRI诊断
- Author:
Yu FU
;
Dong-Sheng FAN
;
Xin-Long PEI
;
Hong-Bin HAN
;
Jun ZHANG
;
De-Xuan KANG
;
- Publication Type:Journal Article
- Keywords:
Muscular atrophy;
Magnetic resonance imaging;
Diagnostic imaging
- From:
Chinese Journal of Radiology
2001;0(04):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the dynamic changes of the spinal cord during neck flexion in Hirayama disease for diagnosis.Methods MRI examinations in neutral neck position and a fully flexed neck position were performed on 18 cases of Hirayama disease and 31 young normal control subjects.We measured an antero-posterior diameter(APD)and transverse diameter(TD)of the cervical cord at the superior margin of the C6 vertebral body for each position,and investigate the dynamic changes.The different in frequency of these findings between the control and patient groups was examined by means of the x~2 test.The group means were compared by independent-sample t-test.Significance was defined as P