MRI of the spinal cord in myelopathy complicating vitamin B12 deficiency: two additional cases and a review of the literature.

Focal spinal cord lesions have been present in all previously reported cases of MRI appearances in myelopathy complicating vitamin B12 deficiency. We describe two further cases showing mild atrophy only and review the salient features of the previous 11 publications. MRI findings reflect quite closely the known pathological changes in this condition.