Handheld scanner could make brain tumor removal more complete, reducing recurrence

Cancerous brain tumors are notorious for growing back despite surgical attempts to remove them—and for leading to a dire prognosis for patients. But scientists are developing a new way to try to root out malignant cells during surgery so fewer or none get left behind to form new tumors. The method, reported in the journal ACS Nano, could someday vastly improve the outlook for patients.

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