Peer-reviewed veterinary case report
Dog with sudden balance loss diagnosed with bleeding brain tumor
By Martin-Vaquero, Paula et al.·Published in Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·2010·Department of Veterinary Sciences, United States·View original on PubMed →
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Original publication title: Imaging diagnosis--Hemorrhagic meningioma.
- Species:
- dog
Plain-English summary
An 8-year-old Labrador Retriever showed sudden signs of balance issues and unsteady movements, which are known as central vestibular signs. An MRI revealed a mass near the brainstem that appeared unusual due to bleeding within the tumor. The diagnosis was an anaplastic meningioma, a type of brain tumor, complicated by acute hemorrhage. This case highlights how a meningioma can look different on imaging when there is bleeding involved, which can affect treatment decisions.
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Abstract
An 8-year-old Labrador Retriever developed acute central vestibular signs. An extra-axial mass was detected on MR images ventral to the brainstem. The mass was both T1- and T2-hypointense; there was also thin-rimmed patchy contrast enhancement. These findings were nonspecific, but the extreme T2-hypointensity was notable and suggested a hemorrhagic mass. The histologic diagnosis was anaplastic meningioma with acute hemorrhage. These findings document an unusual appearance of a meningioma in MR images due to intratumoral hemorrhage.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/20402404/