Peer-reviewed veterinary case report
Dog with head posture and gait changes diagnosed with fourth
By Salvadori, Claudia et al.·Published in The Journal of veterinary medical science·2011·Department of Animal Pathology, Italy·View original on PubMed →
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Original publication title: Microcystic meningioma of the fourth ventricle in a dog.
- Species:
- dog
Plain-English summary
A 5-year-old female cross-breed dog was brought to the vet after a month of changes in her head posture and walking difficulties. The vet found signs of a central vestibular syndrome, which can affect balance and coordination. An MRI revealed a tumor in the fourth ventricle of her brain, and further tests confirmed it was a rare type of tumor called a microcystic meningioma. Unfortunately, the outcome of the treatment is not mentioned, but this case highlights the importance of considering different types of brain tumors in dogs with similar symptoms.
People also search for: dog head tilt · dog walking problems · dog brain tumor treatment · vestibular syndrome in dogs · microcystic meningioma in dogs
Abstract
A 5-year-old female cross-breed dog was presented with a 1-month history of progressive changes in the posture of the head and in the gait. At neurological examination the dog showed a central vestibular syndrome lateralized to the left. MRI showed a space occupying lesion within the fourth ventricle, characterized by iso- to hypointensity in T1 and hyperintensity in T2 with a heterogeneous contrast uptake. Histologically, a neoplasia composed of meningothelial cells forming compact whorls with slight atypia, and stellate cells delimitating microcysts containing eosinophilic fluid was observed. Neoplastic cells were positive for vimentin and negative for GFAP and FVIII. A diagnosis of intraventricular microcystic meningioma was achieved. Intraventricular meningiomas in dogs are rarely encountered and reports of meningiomas within the fourth ventricle have not yet been described. Although choroid plexus tumor is the most frequent neoplasia localized in the fourth ventricle, intraventricular meningioma should be included in the differential diagnoses.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/20962461/