Is biopsy the only diagnostic test for brain tumor?

It is confirmatory. The appearance of a tumor mass on brain MRI scan or on a head ct scan can be indicative of a brain cancer. However, a brain mass biopsy is the best way to confirm the diagnosis and find out the type of brain cancer.

Related Questions

Help please! Is biopsy the ultimately best diagnostic test for brain tumor?

Biopsy. Yes, biopsy is the method of choice to confirm the diagnosis of a tumor. However, it is very important to take the location into account. A deep seated tumor might have unwarranted risks with surgical biopsy and might be safely observed or treated. Confer with your surgeon and oncologist regarding your specific case. Read more...
Yes. A tissue sample provides the definitive diagnosis. Furthermore, there are many new molecular markers that provide information that may help with treatment and prognostication. Read more...