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[Unilateral scapulohumeral amyotrophy. Contribution of imaging].

A case of right scapulohumeral muscular atrophy stable after a 6 month progressive course is reported. Cervical metrizamide CT and MRI showed a flattened right cervical spinal cord regarded as a segmental atrophy. The case could belong to the Kaeser type of sporadic chronic spinal amyotrophy, or perhaps corresponds to a benign focal amyotrophy.