| Pupil-involving Third Nerve Palsy | |
| The right pupil is dilated in this 53-year-old man who reported the acute onset of headache and complete closure of his right eye. The pupil was non-reactive. Associated findings in the right eye included complete ptosis, exotropia, hypotropia, and impaired adduction, elevation and depression. An isolated, pupil-involving third nerve palsy should immediately prompt consideration of an intracranial aneurysm, particularly when pain is present. Tumors at the skull base are also in the differential diagnosis. | |
| Pollock, Stephen C. , M.D., Mebane NC, USA; Perm. Arch. Ophthalmology, | |
| H49.0 | |
| Neuro-Ophthalmology -> Pupillary Abnormalities -> Neurogenic Disorders -> Pupil-involving Third Nerve Palsy | |
| strabism | |
| 5830 |
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