"Keyhole surgery" is a medical technique where doctors can make tiny cuts instead of big ones to operate on someone. It is called "keyhole" because it is similar to a keyhole on a door that is small and does not need much space. Full definition
Clinical trials have shown that keyhole surgery doesn't help people suffering from arthritis of the knees any more than mild painkillers, physical therapy or weight loss, said lead author Dr. Reed Siemieniuk. (health.com)
Lady Forsyth, 59, is speaking as Sir Bruce, 88, continues to recover from keyhole surgery after a fall last year. (premierchristianity.com)
Dutch midfielder Kevin Strootman's injury - hit season is set to continue after Roma announced Thursday he will undergo keyhole surgery on his troublesome left knee. (skysports.com)