Neglected case of hip joint synovial chondromatosis

Synovial chondromatosis of the hip is a rare condition of metaplastic cartilage development in the synovial membrane of joints and characterised by synovial metaplasia and the formation of cartilaginous in the joint capsule. because of nonspecific manifestation in early grade, diagnosis of synovial chondromatosis can be often delayed until mechanical symptoms and arthrosis occurred. we present a case of neglected synovial chondromatosis with painful hip and limitation. after synovial resection and total hip arthropasty via lateral approach to hip, the patient had achieved excellent functional results at 15 months of follow-up.