Neurology: Brain post-arterial compression eye nerve with pupil retention
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Last Update: 2020-05-30
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Source: Internet
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Author: User
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A 54-year-old woman who appears to have been sagging her left eyelidford gradually for 30 yearsNeuro-eye examination prompts the left eyelid drooping, the upper lift can not, the eyeball rotation is limited and the left eye squint, the pupil is normal not accompanied by re-viewingThe brain/eye-tear MRI can be seen with slight atrophy of the upper straight muscle on the left side (Figure 1A-B), without eye lesionsThe brain's hind artery (PCA) is visible from the top to compress the left-hand eye nerve (Figure 1C-E)Taking into account the microscopic anatomy of the interstitial nerve in the pool gap, PCA blood vessels rarely selectively compressed the upper and outer kinetic eye nerves (Figure 2), while the upper inner side of the sympathetic nerve branch was not tired(Figure 1: A-B: Isolated asymmetric atrophy of the left upper straight muscle; C: Left brain rear artery (arrow) from the top of the compression of the left-hand eye nerve s/ ;D-E: left-hand brain rear artery (arrow) compression makes the left-hand eye nerve (arrow) asymmetrical flattening)(Figure 2: the eye nerve microanatomy map (not proportionally mapped)
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