First North American patient treated with combined pencil beam and cone beam CT

Doctors at the Texas Center for Proton Therapy in Irving, Texas, have become the first to image patients in North America using combined pencil beam proton therapy and iscocentric cone beam CT during cancer treatment. 

Cone beam CT, a high contrast 3D x-ray imaging system, allows doctors to observe both soft tissues and bone anatomy with a single scan, while pencil beam scanning delivers radiation to treatment targets with minimal harm to normal tissue. 

“[Cone beam CT image guidance and pencil beam scanning] will allow proton therapy to help a wider range of cancer patients while improving the treatment for currently treated indications,” said the center’s medical director, Andrew Lee, MD.

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