Fig. 1From: Can the MRI based AMADEUS score accurately assess pre-surgery chondral defect severity according to the ICRS arthroscopic classification system?Examples of cartilage defect assessment on MRI and grading according to the AMADEUS instruction guide. A) Example of a full thickness cartilage defect with an associated bone marrow edema and small (< 5 mm bony defect) scoring for an AMADEUS grade IV. B) Example of a superficial cartilage defect with intact subchondral bone and absent bone marrow edema scoring for an AMADEUS grade IIBack to article page