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This pictorial review illustrates the anatomical features of normal intra-articular components of the hip and their common
disorders on MR arthrography. On T1-weighted MR arthrograms, the normal contrast-filled joint cavity shows a homogeneous high
signal intensity. Normal acetabular labrum appears as a well-delineated triangle showing a low signal intensity, surrounded
by contrast material in the perilabral recess. Intra-articular paramagnetic contrast outlines labral tears, loose bodies,
communicating labral cysts and cartilage lesions (traumatic tears, focal defects, degenerative fissures and thinning), and
improves their detection. Overall, MR arthrography enables accurate detection and staging of hip intra-articular structure
abnormalities.
Received: 6 June 1998; Revision received: 2 January 1999; Accepted: 2 April 1999 相似文献
3.
MRI of the Hip for the evaluation of femoroacetabular impingement; past,present, and future
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Geoffrey M. Riley MD Emily J. McWalter PhD Kathryn J. Stevens MD Marc R. Safran MD Riccardo Lattanzi PhD Garry E. Gold MD 《Journal of magnetic resonance imaging : JMRI》2015,41(3):558-572
The concept of femoroacetabular impingement (FAI) has, in a relatively short time, come to the forefront of orthopedic imaging. In just a few short years MRI findings that were in the past ascribed to degenerative change, normal variation, or other pathologies must now be described and included in radiology reports, as they have been shown, or are suspected to be related to, FAI. Crucial questions have come up in this time, including: what is the relationship of bony morphology to subsequent cartilage and labral damage, and most importantly, how is this morphology related to the development of osteoarthritis? In this review, we attempt to place a historical perspective on the controversy, provide guidelines for interpretation of MRI examinations of patients with suspected FAI, and offer a glimpse into the future of MRI of this complex condition. J. Magn. Reson. Imaging 2015;41:558–572. © 2014 Wiley Periodicals, Inc. 相似文献
4.
Purpose:The 2-year outcomes of patients undergoing repair of triple labrum tears using an all-suture anchor device were assessed.Results:Overall total CS and FLEX-SF scores increased from 52.9 ± 20.4 to 84.3 ± 10.7 (P < 0.0001) and from 29.3 ± 4.7 to 42.0 ± 7.3 (P < 0.0001), respectively. When divided into two groups by whether or not glenohumeral arthrosis was present at the time of surgery (n = 9 each group), significant improvements in CS and FLEX-SF were obtained for both groups (P < 0.0015). There were no intraoperative complications. All patients, including contact athletes, returned to their preinjury level of sports activity and were satisfied. MRI evaluation revealed no instances of subchondral cyst formation or tunnel expansion. Anchor tracts appeared to heal with fibrous tissue, complete bony healing, or combined fibro-osseous healing.Conclusion:Our results are encouraging, demonstrating a consistent healing of the anchor tunnels through arthroscopic treatment of complex labrum lesions with a completely suture-based implant. It further demonstrates a meaningful improvement in patient outcomes, a predictable return to activity, and a high rate of patient satisfaction.
Level of Evidence:
Level IV case series. 相似文献5.
目的总结肩关节不稳与上盂唇自前向后(superior labrum anterior posterior,SLAP)损伤的联系。方法通过查阅国内外相关研究文献,分析肩关节不稳与SLAP损伤的特点,归纳并探讨两者在发病机制、临床症状及生物力学上的关联。结果肩关节不稳和SLAP损伤既可同时存在,也可单独发生。SLAP损伤由于破坏了上盂唇的完整性和肱二头肌长头腱(long head of biceps tendon,LHBT)止点,可引起肱骨头相对关节盂过度移位,导致肩关节不稳。而慢性反复性或急性高能量创伤导致的肩关节不稳也会加重SLAP损伤,造成原有损伤范围扩大及撕裂程度加重。结论 SLAP损伤会破坏肩关节稳定机制,肩关节不稳会引起上盂唇和LHBT撕裂,两者间存在一定联系。然而,现有研究结果仅能证明肩关节不稳和SLAP损伤之间具有互相诱发和促进发展的关系,而非互为充分必要条件,因此两者间具体因果关系还需进一步深入研究。 相似文献
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目的:探讨髋关节镜下盂唇修补术治疗髋臼盂唇损伤的临床疗效。方法:选择2018年11月至2019年5月在广东省中医院诊断为髋臼盂唇损伤并在髋关节镜下行盂唇修复术的患者,所有患者术前术后采用X线片、三维CT和核磁共振等检查,选择改良Harris髋关节评分(mHHS)、体育运动专用髋关节评分(HOS-SSS)、日常活动的髋关节功能评分(HOS-ADL)和VAS疼痛评分,评定患者的临床疗效。结果:共纳入患者30例,其中男10例,女20例,年龄(37.8±10.6)岁(17~55岁)。所有患者均获随访,随访时间为6~12个月,平均8.2个月。患者术前H0S-ADL,HOS-SSS,mHHs评分分别为53.8±10.6,44.2±9.6,62.2±11.6;术后6个月时分别为77.6±10.2,72.8±7.3,79.3±9.1,均较术前显著提高(P<0.01);术前VAS评分为6.5±2.3,术后6个月时为2.6±1.3,较术前显著降低,差异有统计学意义(P<0.01)。结论:髋关节镜下盂唇修补术治疗髋臼盂唇损伤,能缓解症状,其近期临床疗效良好。 相似文献
8.
KR Rowan G Andrews A Spielmann J Leith 《Journal of Medical Imaging and Radiation Oncology》2007,51(3):257-259
The purpose of this study was to compare the frequency of rotator cuff pathology versus labroligamentous pathology in patients younger than 40 years and to determine whether routine MR arthrography is justified in all patients in this age group, regardless of the clinical symptoms. The MR arthrography was carried out on 332 patients 40 years of age and younger. Two hundred and forty‐three patients had clinical history of instability and possible labroligamentous pathology. Eighty‐nine patients had no history or physical signs of instability and were referred for reasons other than instability, such as assessment for rotator cuff tear. In the 243 patients younger than 40 years with clinical history of potential labral pathology, 39% (95/243) showed a labral tear and 2.1% (5/243) had a full‐thickness rotator cuff tendon tear. In the 89 patients with no history suggesting labral pathology, 19% (17/89) showed an unsuspected labral tear and 4.5% (4/89) had a full‐thickness rotator cuff tear. These findings suggest that, regardless of the clinical indication for referral, patients aged 40 and less referred for shoulder MRI should be imaged using MR arthrography because of the significant risk that symptoms are related to unsuspected labral pathology. 相似文献
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10.
In traumatic hip dislocation, concentric reduction can be prevented by various causes. Soft-tissue interposition, such as entrapment of the acetabular labrum, is a rare but important cause of failed reduction of a hip. Early diagnosis of incomplete reduction due to interposition of soft tissue is important, because delayed treatment is associated with a greater incidence of avascular necrosis of the femoral head and early onset of osteoarthritis. This report describes a case of acetabular labral entrapment following reduction of traumatic hip dislocation in a child. The importance of CT and MRI in arriving at an early diagnosis is emphasized. 相似文献