Fig. 1From: Spinal muscular atrophy type III complicated by spinal superficial siderosis: a case report with molecular and neuropathological findingsSpinal cord, gross findings. a External view of the anterior spinal cord, lower cervical level: presence of very thin anterior nerve roots when compared to the posterior nerve roots; at that level, the superficial siderosis was mild and patchy, mostly involving the nerve roots. b Cut sections of the thinned lumbar spinal cord: severe siderosis penetrating deeply the periphery of the spinal cordBack to article page