Finding brain tumors is key to healing

DAYTON, Ohio (WDTN) – A local hospital has bragging rights to find brain tumors early.

Nuclear medicine practiced at Kettering Medical Center uses an amino acid called methionine to isolate the location and size of a brain tumor.

Doug Armstrong of Tipp City said early symptoms let him know something was wrong.

“My left arm and left leg were twitching. I couldn’t talk, but in my head I was screaming, ‘I’m having a stroke, I’m having a seizure’.”

Doctors at KMC using the amino acid methionine with a PET scan caught his slow growing tumor before it got out of control.

Dr. Arash Kardan says once the injected amino acid tracer comes in contact with the tumor, it acts as a spy, outlining the size and exact location, creating a guideline for surgeons so that they don’t cut too far or too deep.


After two surgeries, the 46-year-old Armstrong is now a healed man. provides commenting to allow for constructive discussion on the stories we cover. In order to comment here, you acknowledge you have read and agreed to our Terms of Service. Commenters who violate these terms, including use of vulgar language or racial slurs, will be banned. Please be respectful of the opinions of others and keep the conversation on topic and civil. If you see an inappropriate comment, please flag it for our moderators to review.

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