Fig. 5From: Spinal muscular atrophy type III complicated by spinal superficial siderosis: a case report with molecular and neuropathological findingsHistology, spinal cord and nerve root. a Iron stained of one anterior spinocerebellar tract showing siderophages around blood vessels and in the neuropil (Scale bar: 100 μm). b Iron stain showing siderophages and iron granules in all layers of the anterior spinal artery (scale bar: 50 μm). c Small leptomeningeal arteriole with thickened and hyalinized wall. Focal calcifications are noted in the venules. Numerous siderophages and fibrosis in the leptomeninges (Scale bar: 50 μm). d Iron stain showing siderophages in the endoneurium and perineurium of one posterior nerve root (Scale bar: 100 μm)Back to article page