A method for the removal of an intervertebral disc or parts thereof to be treated that includes: inserting a first longitudinal bone anchor into a pedicle of a first vertebra inserting a second longitudinal bone anchor into a pedicle of a second vertebra bridging the first and second anchors using a bridging element including a first and second clamp attaching adjustable extension arms to each of the two clamps introducing a longitudinal guiding element into the intervertebral disc or the subchondral bone of one of the vertebral bodies adjacent of intervertebral disc fixing a retractororthogonally on the longitudinal guiding element connecting the free ends extension arms to the retractor immobilizing the extension arms to obtain a rigid assembly and using the retractor as an anatomically positioned platform for performing the removal of the intervertebral disc to be treated or parts thereof, and a kit and apparatus for performing the method.