www.fdanews.com/articles/110016-world-first-lasers-used-in-keyhole-surgery-for-brain-cancer

World First: Lasers Used in Keyhole Surgery for Brain Cancer

September 2, 2008

In a ground-breaking advance, French neurosurgeons said they had successfully treated brain tumours through ultra-keyhole surgery, using a tiny fibre-optic laser to destroy cancerous cells.
Yahoo! News