Abstract
Purpose: To report one case of Parinaud syndrome after intracranial hemorrhage. Case summary: A 45-year-old man visited our emergency department complaining of right-sided weakness and right-sided hypoesthesia. Intracranial hemorrhage in the left thalamus and intraventricular hemorrhage were noted upon brain computed tomography, and the patient was admitted to the department of neurosurgery. He complained of diplopia and upgaze palsy, and he was referred to the department of ophthalmology. The patient exhibited convergence-retraction nystagmus, light-near dissociation and vertical gaze limitation within 15 degrees. The best-corrected visual acuity of both eyes was 20/20, but convergence-retraction nystagmus and light-near dissociation still remained. Upgaze palsy was also not improved. Conclusions: Once symptoms manifest, Parinaud syndrome does not resolve except in patients with hydrocephalus. If the findings persist for more than 6 months, the likelihood of complete resolution is very small. We reported a case of typical Parinaud syndrome with upgaze palsy, convergence-retraction nystagmus and light-near dissociation after thalamic and intraventricular hemorrhage.
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