Lumbar disc disease
Feb. 12, 2022
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(A) Lateral projection of normal posterior circulation. (B) Anteroposterior projection of normal posterior circulation. Posterior cerebral artery = curved blue arrows, superior cerebellar artery = green arrows, basilar artery = red arrowheads, anterior inferior cerebellar artery = blue arrowheads, posterior inferior cerebellar artery = green arrowheads, vertebral artery = curved red arrows. (Contributed by Dr. Jeffrey Saver.)