PMC6106849_01
(a) Lateral T2-weighted MRI thoracic spine showing peri- and intramedullary spinal AVM at T8 (white arrow) with surrounding spinal cord oedema T6-T11 (black arrow). (b) Left lateral three-dimensional rotational spinal angiography (3D-RSA) from right T9 intercostal artery showing spinal cord AVM.
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This revealed a previously undiagnosed mixed intra- and perimedullary spinal cord AVM at T8 with surrounding spinal cord oedema from T6-T11 (see Figure 1(a)). T8 to a compact nidus (see Figure 1(b)).