Diagnostic arthroscopy: arthroscopy, a minimally invasive course of action in which a small digital camera is inserted to the knee joint to visualise the constructions within. Cartilage injury, often known as chondral injury, chondral lesions or ulcers, refers to damage for the cartilage that handles the ends of bones in https://www.theorthopaedicandpainpractice.com/what-are-cartilage-lesions/