<prompt> Multiple loose bodies are seen in -a Osteochondritis dessicansb Synovial chondromatosisc Osteoarthritisd Rheumatoid arthritis e Osteogenesis imperfectaabcbcacdbcd  <response>: Causes of loose bodies include :-Osteoarthritis Osteochondritis dessicansOsteochondral fracture injury Charcots diseaseSynovial chondromatosisAmong these, osteochondral fracture causes single loose bodies, while all other can cause multiple loose bodies, maximum by synovial chondromatosis up to hundreds. 