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- W2161159573 abstract "PURPOSE: Terson syndrome may be overlooked in the acute setting and often requires ophthalmologic intervention to prevent long-term visual loss. In this syndrome, vitreous or retinal hemorrhage results from an abrupt rise in intracranial pressure, leading to retinal venous hypertension and intraocular hemorrhage. Our objective was to determine whether imaging findings could be discovered that might facilitate an earlier diagnosis. METHODS: Our inpatient medical record data base for 1991‐1996 listed 11 patients with Terson syndrome. The medical records of these 11 patients were reviewed retrospectively and compared with their noncontrast head CT scans and with scans of 10 control subjects. One additional case was discovered prospectively, for a total of 12 patients. Three radiologists unaware of the patients’ history evaluated CT scans of the orbits for evidence of intraocular hemorrhage. RESULTS: CT findings in eight patients were suggestive of retinal hemorrhage manifested by a retinal crescent or nodule that was slightly hyperdense relative to the vitreous humor. There was a high degree of concordance between the retrospective and independent reviews. CONCLUSION: Retinal nodularity and crescentic hyperdensities are evident on CT scans in the majority of patients with Terson syndrome. Although findings are subtle and not present in all cases, in the setting of subarachnoid hemorrhage they suggest retinal hemorrhage and warrant detailed fundoscopic evaluation. Terson syndrome is a vitreous or retinal hemorrhage occurring consequent to subarachnoid hemorrhage; it is strongly associated with visual deficits and may require early surgical management (1‐ 4). Fundoscopic examination is the usual means of diagnosis, but it may be difficult to perform or the bleeding may be overlooked in the setting of acute subarachnoid hemorrhage. The presence of Terson syndrome has been reported to be predictive of poor clinical outcome in terms of recovery from the intracranial hemorrhage (4 ‐ 6). We reasoned that if characteristic imaging findings of Terson syndrome could be established, earlier diagnosis could prove useful as a prognostic sign. We therefore reviewed CT scans in 12 patients discharged from our facility with the diagnosis of Terson syndrome in an effort to determine whether specific findings of this entity could be identified on CT studies of the brain." @default.
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- W2161159573 date "1998-04-01" @default.
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- W2161159573 title "Terson syndrome: CT evaluation in 12 patients" @default.
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