Peer-reviewed veterinary case report
How CT and MRI scans help diagnose brain tumors in dogs
By Polizopoulou, Z S et al.·Published in Journal of veterinary medicine. A, Physiology, pathology, clinical medicine·2004·School of Veterinary Medicine·View original on PubMed →
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Original publication title: Diagnostic correlation of CT-MRI and histopathology in 10 dogs with brain neoplasms.
- Species:
- dog
Plain-English summary
Ten dogs with brain tumors were evaluated for symptoms like seizures, changes in behavior, and difficulty walking. The vets used imaging techniques like CT and MRI to help diagnose the type of tumors. In most cases, these imaging methods were effective in detecting the tumors and understanding their characteristics, especially when contrast was used. Unfortunately, all the dogs eventually passed away from their conditions, but the imaging helped guide treatment decisions.
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Abstract
Ten dogs with primary (n = 8) and metastatic (n = 2) brain tumours were studied in an attempt to evaluate the diagnostic sensitivity of computed tomography (CT) or magnetic resonance imaging (MRI). Of the clinical signs noticed, seizures (seven of 10), behavioural abnormalities and cognition dysfunction (seven of 10), compulsive walking and circling (six of 10), sensorimotor (five of 10) and neuro-opthalmological (two of 10) dysfunction were the most common. In all 10 animals that finally died of the disease or were killed, the histopathological diagnosis that followed necropsy was taken as a golden standard in the CT or MRI prediction of the histological type of brain neoplasms. In every instance, tumour detection, morphology and histological differentiation were possible with the aid of either CT (seven of 10) or MRI (three of 10) imaging especially after contrast enhancement. Only one CT-evaluated dog, diagnosed as meningioma, was found to be astrocytoma on histopathology. Interestingly, a rare case of cerebellar medulloblastoma was correctly identified in MRI scans.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/15315701/