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Meningioma
Meningioma is the most common brain tumor in cats and dogs. It arises from the meninges (membranes covering the brain) and is typically slow-growing. In cats, meningiomas are usually benign and surgically removable.
Key Facts
- Most common primary brain tumor in both dogs and cats
- Cats: usually benign; good prognosis with surgical removal (median survival >2 years)
- Dogs: can be benign or malignant; prognosis varies
- Signs: seizures, behavioral changes, circling, head pressing, vision changes
- Diagnosis: MRI or CT scan (requires anesthesia)
- Treatment: surgery, radiation therapy, or palliative management
- Older pets more commonly affected
- Species: dogs and cats