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Case No. 651
2023-04-01~2023-04-30
출제자 : 임영희
Hit : 309
| Period | 2023-04-01~2023-04-30 |
|---|---|
| Diagnosis | Hirayama disease |
| Gender |
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| Age | 16 |
| Clinical information | 16/M 좌상지 저린감 진단은? |
| Discussion | Cervical myelopathy related to anterior displacement of posterior cervical dura with flexion. Pathology; Tight dural canal during flexion related to disproportionate length between vertebral column and dural canal Generally sporadic, but familial cases have been reported Anterior horn cells of spinal cord levels C5-T1 show shrinkage, degeneration, and necrosis with mild gliosis Imaging; T1WI, T2WI: Asymmetric cord atrophy Increased posterior epidural space, ventral dural displacement, cord compression in flexion study. T1WI C+: Enhancing enlarged posterior epidural space with flexion Modality choice for diagnosis; Flexion MR Reference :Jeffrey S. Ross & Kevin R. Moore, Diagnostic Imaging: Spine, 3rd Edition |
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