Description

A 60-year-old woman with no medical history presented to the emergency department with worsening knee pain after a short-haul flight. She had a 2 year history of intermittent left knee pain, made worse by crouching and a lump at the back of her leg, which was gradually increasing in size. On examination, she was found to have a 3×4 cm lump behind the posterolateral aspect of the left knee. …