Presentation
Progressive upper limb weakness.
Patient Data
Age: 20 years
Gender: Male
From the case:
Hirayama disease
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Spinal cord thinning and atrophy between C4-6 with ill-defined cord signal change.
On flexion view, there is forward bowing of the posterior theca with venous engorgement in the posterior spinal space.
Case Discussion
A good example of Hirayama disease.