My dog has Cushing's. Could past seizures mean a brain tumor?

Question

My dog is 8. He had a seizure in Oct 2016 & then another in Jan 2017. He has Cushings Disease but has been seizure free since. I'm obviously concerned about a brain tumor more specifically meningioma but our vet doesn't seem to be. If he did have one, wouldn't we be seeing more signs / symptoms by now? Pet's info: Dog | Mixed Breed Large (61lb +) | Male | neutered | 8 years and 3 months old | 80 lbs

Claudia Fioravanti · Accepted Answer

The concern is often more linked to a tumour of the pituitary gland, which is located at the base of the brain. The tumour can be benign or malignant and what it does it is stimulating the adrenal glands to produce cortisol. If the pituitary tumour grows, it can cause neurological signs and therefore seizures too. The masses can be quite large , over 1 cm , and cause symptoms related to pressure to the brain structures nearby. If the seizures are not very frequent, it means the tumour rate of growth is not that fast, and this is a good sign in itself. However an MRI would be able to provide more information and allow monitoring, if possible.

My dog has Cushing's. Could past seizures mean a brain tumor?

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