AI Article Synopsis
- An 8-year-old Yorkshire terrier experienced a sudden coma and seizures due to cranial trauma, suggesting intracranial hemorrhage.
- Low-field magnetic resonance imaging showed a round mass in the right cerebral hemisphere causing ventricle compression, with characteristics indicating acute hemorrhage.
- Subsequent imaging over 6 days indicated changes in signal intensity, linked to hemoglobin oxidation, which reflected the evolving nature of the hemorrhage.
Article Abstract
An 8-year-old Yorkshire terrier developed acute onset coma and seizure after cranial trauma. Intracranial hemorrhage was suspected from the clinical signs and history. Low-field magnetic resonance (MR) imaging revealed a round mass within the right cerebral hemisphere, compressing the right lateral ventricle and displacing the longitudinal fissure to the left. The lesion was hypointense on T1-weighted images and hyperintense on T2-weighted images, consistent with an acute hemorrhage. MR imaging was performed every 24 h for 6 days from 1 h after the injury, and then on day 14 of hospitalization. With time, the signal intensity changed to hyperintense on Ti-weighted images. On T2-weighted images the center of the mass changed to hypointense, and then to hyperintense with a hypointense rim. These changes of signal intensity were related to hemoglobin oxidation.
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| http://dx.doi.org/10.1111/j.1740-8261.2006.00120.x | DOI Listing |
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