Schematic diagram of the lesion of one-and-a-half syndrome spectrum. (A) Eight-and-a-half syndrome; (B-F) nine syndrome; (G) thirteen-and-a-half syndrome; (H) fifteen-and-a-half syndrome; (I) sixteen-and-a-half syndrome. Abd. nucl., abducens nucleus; IV, IV ventricle; ML, medial lemniscus; MLF, medial longitudinal fascicle; 7th nucl., facial nerve nucleus; 7th n., facial nerve; CST, corticospinal tract; PPRF, parapontine reticular formation; ICP, inferior cerebellar peduncle; spinal trigeminal nucl., spinal trigeminal nucleus; cochlear nucl., cochlear nucleus. | Xue, F., Zhang, L., Zhang, L., Ying, Z., Sha, O., & Ding, Y. (2017). One-and-a-half syndrome with its spectrum disorders. Quantitative imaging in medicine and surgery, 7(6), 691–697. https://doi.org/10.21037/qims.2017.12.04

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