MRI characteristics of cerebral microbleeds in four dogs.
作者： Caroline V. Fulkerson , Benjamin D. Young , Nicolette D. Jackson , Brian Porter , Jonathan M. Levine
DOI: 10.1111/J.1740-8261.2011.01910.X
关键词:
摘要: Cerebral microbleeds in people are small foci of hemosiderin-containing macrophages normal brain parenchyma. They the remnant previous hemorrhage and occur with greater frequency older individuals. Our purpose was to describe magnetic resonance (MR) appearance cerebral four dogs. These lesions appeared as round, hypointense measuring ≤4 mm on T2*-gradient-recalled echo images. were less conspicuous or absent T2-weighting, being iso- hypointense, uniformly invisible T1-weighted No contrast enhancement seen any microbleeds. Necropsy-derived histopathologic analysis one confirmed these be chronic cerebrocortical infarcts containing hemosiderin. The MR changes dogs analogous what has been described will helpful distinguishing from other lesions.
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