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Sitt CM, Fung LW, Yuen HY, Ahuja AT
Correspondence: Dr Jacqueline CM Sitt, Jacquelinesitt@gmail.com
ABSTRACT
Hirayama disease is an uncommon cervical myelopathy associated with neck flexion. It has been postulated to be related to the anterior shifting of the posterior dura of the lower cervical dural canal during neck flexion, resulting in lower cervical cord atrophy with asymmetric flattening. We report a case of Hirayama disease in a 17-year-old Chinese man and demonstrate the use of dynamic flexion magnetic resonance imaging of the cervical spine in the diagnosisof the disease.
Keywords: cervical spine, flexion magnetic resonance imaging, Hirayama disease
Singapore Med J 2014; 55(6): e87-e89; http://dx.doi.org/10.11622/smedj.2013253
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