Os acetabuli and femoro-acetabular impingement: aetiology, incidence, treatment, and results

Arthroscopic Suture Fixation of Os Acetabuli With Absorbable Suture Anchors—A Double-Pulley Technique

“…Although the origin of the os acetabuli is controversial, the presence of bone fragment could be related to the femoroacetabular impingement, and the micromotion of bone fragment and the following recurrent microinjuries could result in the pain and 8 and Singh and O'Donnell 9 independently reported a prevalence of approximately 7% in the young active male athletic population, which indicates os acetabuli is an issue that should not be neglected. Based on the recognition of the etiology and pathogenesis, the treatment for os acetabuli lies in 2 aspects, first, addressing impingement between the femoral head and acetabular rim; second, eliminating the micromotion of the bone fragment.…”

Clinical Features and Radiological Differential Diagnoses of Symptomatic Sesamoid Bones and Accessory Ossicles: A Pictorial Essay

“…Cam-type femoroacetabular impingement (이하 FAI) syndrome에서도 앞위쪽 비구의 골화가 동반될 수 있는데 대퇴골두의 모양과 충돌의 소견이 os acetabuli와 감별점이다( 40 ). 또한 os acetabuli와 FAI 사이의 연관성이 있어 동반되어 나타나는 경우가 흔하며 os acetabuli를 제거해주는 것이 FAI의 치료에 도움이 된다는 연구 결과도 있다( 41 ).…”

The history of Italian Orthopaedics

“…Femoroacetabular impingement (FAI) is a well-known disease responsible for coxarthrosis and is the object of numerous studies that could increase its notoriety. Randelli [4] explained the role of the os acetabuli in association with the FAI.…”