Transcription of 脊髄血管解剖と血管撮影の基礎 - UMIN
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Basics of spinal vascular anatomy and spinal angiography . Takeshi ASANO. Department of neurosurgery, Hokkaido University Key words: Spinal angiography, Vascular anatomy . gold standard modality . modality . 3-D CTA CE-MRA . modality . 1.. 31 ventral longitudinal ar- tery ventral longitudinal artery .. fig1). Fig. 1.. (fig 2,3). Fig. 2. 1-a.. : .. 1-2 .. 4 .. (1) . (a) . (b) . (2) . (a) .. (b) .. (c) .. (1) radicular artery .. (1) (radiculopial artery) .. Fig. 3. (2) (radiculomedullary artery) .. Adam-kiewicz (artery of the lumbar enlargement) . 75% T9-12 .. 1. (anterior spinal artery) .. 2. (posterior spinal artery) pial network .. (pial network, vasa corona, pial arterial plexus).
軟膜動脈叢 (pial network, vasa corona, pial arterial plexus) : 脊髄表面を覆う動脈のネットワークで、根 軟膜動脈や、前脊髄動脈軟膜枝から血流を受ける。前脊髄動脈が閉塞した場合など、これを介した側副血行 が認められることがある (fig 5)。
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