Benign focal amyotrophy: metrizamide CT evidence of cord atrophy. Case report

Benign focal amyotrophy is an uncommon variant of neuron disease characterized by the gradual development of atrophy usually involving one upper extremity with a subsequent nonprogressive course. Previous descriptive reports have included normal radiological studies. We present a case of benign focal amyotrophy with a metrizamide CT myelographic finding of segmental cord atrophy in a distribution consistent with the patient's clinical findings.