Joints and conditions that can now be operated on arthroscopically are listed below. Distal interphalangeal (coffin) joint Extensor fragment process fragments of distal phalanx Subchondral cystic lesion of distal phalanx Palmar fragments in coffin joint Proximal interphalangeal (pastern) joint Proximal dorsal fragments from middle phalanx Metacarpophalangeal/metatarsophalangeal (fetlock) joints Proximal dorsal first phalanx chip fragments Proximal palmar/plantar chip fragments OCD of distal dorsal metatarsus and metacarpus Subchondral cystic lesions of distal metacarpus Apical sesamoid fragments Basal sesamoid fragments Abaxial sesamoid fragments Non-displaced and displaced fractures of lateral and medial condyle of metacarpus and metatarsus (reduction and fixation under arthroscopic visualization) Axial osteitis of the proximal sesamoid bones and fraying of intersesamoidean ligaments Femoropatellar and femorotibial joints OCD of trochlear ridges of femur and patella Distal fragmentation of patella Patella fractures Subchondral cystic lesions of medial condyle of femur Articular lesions on medial condyle of femur (diagnostic arthroscopy) Subchondral cystic lesions of the proximal extremity of the tibia Fractures of the medial tibial intercondylar eminence Injuries to the cruciate ligaments Meniscal ligament injures Injuries in caudal compartment of medial femorotibial joint Tarsocrural (tibiotarsal) joint OCD of distal intermediate ridge of tibia Lateral trochlear ridge of femur Medial malleolus of tibia or medial trochlear ridge of talus Traumatic injury and chip fragments of trochlear ridges of talus Intra-articular fractures of the tarsocrural joint, including retrieval of fragments from talocentral (proximal intertarsal) joint Tears and avulsions of the collateral ligaments of the tarsocrural joints Treatments of proliferative synovitis Treatment of septic arthritis and septic osteomyelitis Scapulohumeral (shoulder) joint OCD of humeral head and/or glenoid of scapula Osteoarthritis Articular fracture Septic arthritis/osteomyelitis Elbow joint Fractures of the cranial lateral portion of the humerus OCD of the elbow Fragmentation of the anconeal process Septic arthritis Osteoarthritis Hip joint Femoral head cartilage lesions Tearing of the ligament of the head of the femur OCD Acetabular chip fractures Infected arthritis Temporomandibular Joint Articular cartilage lesions Soft tissue injury Tenoscopy Tears of manica flexoria Removal of tenoscopic masses and transection of adhesions Transections of the palmar/plantar annular ligament Linear clefts of tendons (all these type usually diagnosed at the time of arthroscopic evaluation) Removal of radial osteochondroma in carpal sheath Removal of radial physeal exostosis in carpal sheath Desmotomy of the accessory ligament of the superficial digital flexor tendon (carpal sheath) Carpal tunnel syndrome Tenoscopic examination and surgery in tarsal sheath and extensor tendon sheaths Bursoscopy The arthroscope is also used to diagnose and treat conditions in the calcaneal bursa of the hock, the intertubercular (bicipital) bursa and navicular bursa.