Historical Overview

1951 Dr. Lars Leksell, a Swedish neurosurgeon, introduces the notion of radiosurgery

1967 The first patients are treated with the first gamma unit at the Studsvik nuclear power plant

1969 The first patient is treated in a hospital environment at the Karolinska Sophiahemmet Hospital in Stockholm

1974 Treatment doseplans are calculated by a computer

1988 First prototype of Gammaknife B

1996 The use of fused CT and MRI images in a treatment plan

1999 The first rotating gamma system is installed in the US

2007 The first European patient treated with the GammaART-6000 rotating gamma system in Debrecen