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Updated: May 14, 2026

The Rabbit Blood-shunt Model for the Study of Acute and Late Sequelae of Subarachnoid Hemorrhage: Technical Aspects
Published on: October 2, 2014
Delayed Presentation of Subdural Hematoma
Abstract:
In brief A 72-year-old man and a 47-year-old woman presented with subdural hematomas more than a month after repeated head injuries incurred while skiing. Neither had lost consciousness. The man had remained asymptomatic for 3 weeks, then had developed a bifrontal headache of increasing intensity and frequency. CT scan revealed a large left subdural hematoma. The woman had experienced intermittent symptoms, including headache, light-headedness, paresthesias, and lower-extremity weakness, for 4½ months before MRI revealed bilateral hematomas. Acute hemorrhage into a chronic subdural hematoma may explain the delayed onset of symptoms in these patients.
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