Leunig M, Werlen S, Ungersböck A, Ito K, Ganz R
Department of Orthopaedic Surgery, University of Berne, Inselspital, Switzerland.
J Bone Joint Surg Br. 1997 Mar;79(2):230-4. doi: 10.1302/0301-620x.79b2.7288.
Since January 1993 we have carried out MR arthrography on 23 patients with clinical symptoms and signs of abnormality of the acetabular labrum. Most of the patients were young adults. Such symptoms are known precursors of osteoarthritis, and therefore early and accurate evaluation is required. We assessed the value of MR arthrography of the hip as a minimally-invasive diagnostic technique, in a prospective study and compared the findings with those at subsequent operations. All the patients complained of groin pain; 22 had a positive acetabular impingement test and 15 had radiological evidence of hip dysplasia. In 21 of the patients, MR arthrography suggested either degeneration or a tear of the labrum or both. These findings were confirmed at operation in 18 patients, but there was no abnormality of the labrum in the other three. In two of the patients, MR arthrography erroneously suggested an intact labrum. Both MR arthrography and intraoperative inspection located lesions of the superior labrum most often, and these appeared slightly larger on arthrography than at operation. We consider that MR arthrography is a promising diagnostic technique for the evaluation of abnormalities of the acetabular labrum.
自1993年1月以来，我们对23例有髋臼盂唇异常临床症状和体征的患者进行了磁共振关节造影。大多数患者为年轻成年人。此类症状是骨关节炎的已知先兆，因此需要早期准确评估。我们在一项前瞻性研究中评估了髋关节磁共振关节造影作为一种微创诊断技术的价值，并将结果与后续手术中的发现进行了比较。所有患者均主诉腹股沟疼痛；22例髋臼撞击试验阳性，15例有髋关节发育不良的影像学证据。21例患者的磁共振关节造影提示盂唇退变或撕裂或两者皆有。18例患者的手术结果证实了这些发现，但另外3例盂唇无异常。2例患者的磁共振关节造影错误地提示盂唇完整。磁共振关节造影和术中检查最常发现上盂唇病变，造影显示的病变略大于手术所见。我们认为磁共振关节造影是评估髋臼盂唇异常的一种有前景的诊断技术。
