摘要Objective:To review the literature regarding diagnosis and treatment of labral tear.Data sources:A systematic search was performed in PubMed using various search terms and their combinations including hip,labrum,acetabular labral tear,arthroscopy,diagnosis,and anatomy.Study selection:For each included study,information regarding anatomy,function,etiology,diagnosis,and management of acetabular labral tear was extracted.Results:Five hundred and sixty abstracts about anatomy,function,etiology,diagnosis,and management of acetabular labral tear were reviewed and 66 selected for full-text review.The mechanism of labral tear has been well explained while the long-term outcomes of various treatment remains unknown.Conclusions:Labral tear is generally secondary to femoroacetabular impingement,trauma,dysplasia,capsular laxity,and degeneration.Patients with labral tear complain about anterior hip or groin pain most commonly with a most consistent physical examination called positive anterior hip impingement test.Magnetic resonance arthrography is a reliable radiographic examination with arthroscopy being the gold standard.Conservative treatment consists of rest,non-steroidal anti-inflammatory medication,pain medications,modification of activities,physical therapy,and intra-articular injection.When fail to respond to conservative treatment,surgical treatment including labral debridement,labral repair,and labral reconstruction is often indicated.