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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.
Optional Information: Female , Age: 33
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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Doctor (MD)
Twenty years experience in active private practice