J Korean Neurol Assoc.
2015 Feb;33(1):18-20.
Spot Sign on Initial Brain Computed Tomography Angiography Source Image to Predict Large Hemorrhagic Transformation after Middle Cerebral Artery Infarction
- Affiliations
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- 1Department of Neurology, National Health Insurance Service Ilsan Hospital, Ilsan, Korea. myoungsim@naver.com
- 2Department of Neurology, Yonsei University College of Medicine, Seoul, Korea.
Abstract
- The spot sign refers to tiny enhanced foci within the hematoma on a brain computed tomography angiography image. A spot sign is usually considered to be associated with hematoma progression in patients with acute intracerebral hemorrhage. We describe a patient with infarction of the left middle cerebral artery where a spot sign was observed. A spot sign may also have significant predictive value for large hemorrhagic transformation in patients with ischemic stroke.
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