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Dr.M.D.Mazumdar, MD
Dr.M.D.Mazumdar, MD, Doctor (MD)
Category: Health
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Experience:  Twenty years experience in active private practice
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What is the difference between a brain lesion and a brain tumor

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What is the difference between a brain lesion and a brain tumor? Are these terms interchangeable? I have heard both terms used in conjunction with my father's brain mets from stage IV NSCLC.

Hello,

Brain lesion is any pathology of the brain - it could be a tumour, a blood clot , a cyst, an aneurysm, an inflammatory mass, any pathology.

A brain tumour is a specific pathology. All brain tumours can also be called brain lesions, but all lesions are not tumours.

I hope this helps.

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