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The role of radiocarpal injection arthrography and magnetic resonance imaging in the diagnosis of triangular fibrocartilage complex injuries

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Chinese Journal of Traumatology 2001年第2期4卷 78-81页

作者：朱庆生 Institute of Orthopedics Xijing Hospital Fourth Military Medical University Xi'an 710032 China

Objective:: To investigate the radiocarpal joint injection arthrography and magnetic resonance imaging for diagnosis of the triangular fibrocartilage complex (TFCC) injuries. Methods: Thirteen cases whose main complaints were ulnar wrist pain were given radiocarpal joint arthrography and eight of them were also given magnetic resonance imaging for evaluating the integrity of the triangular fibrocartilage complex. Results: Ten of thirteen cases presented the leakage of contrast medium to distal radioulnar joint from the radiocarpal joint, in whom, 8 were demonstrated triangular fibrocartilage tear on magnetic resonance imaging, and 3 located at radial side, 2 at central, 3 at ulnar side. One of three cases which were demonstrated without the leakage of contrast medium in arthrography were displayed with marked TFCC tear on magnetic resonance imaging. Conclusions: The wrist arthrography can provide a definite diagnosis for triangular fibrocartilage disruption with higher sensitivity. magnetic resonance imaging not only demonstrates the site of triangular fibrocartilage disruption as the same value as wrist arthrography, but also displays the other related bony and soft tissues changes.

关键词： Wrist arthrography Magnetic resonance imaging Triangular fibrocartilage complex

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Spiral CT arthrography of multiplanar reconstruction and virtual arthroscopy technique in diagnosis of knee with internal derangements

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Chinese Journal of Traumatology 2004年第2期7卷 108-112页

作者：熊传芝郝敬明 Department of Orthopaedic surgery Xuzhou Hospital Affiliated to Dongnan University

Objective:To evaluate the values of spiral CT arthrography with multiplanar reconstruction and virtual arthroscopy technique i n diagnosis of internal derangements of the knee. Methods:Ten bovine knees were used for experiment. The menisci , anterior and posterior cruciate ligaments and cartilage of these 10 bovine kne es were injured with a hook. Each of the joints was injected with 100 ml air, th en soon scanned with a PQ6000 spiral computed tomography scanner. The data obtai ned was input into the work station, and multiplanar reconstruction technique wa s used to illustrate lesions in the knees. The results of CT diagnosis were comp ared to those found by gross inspection of the specimens. Clinically, 10 knees o f 9 patients diagnosed as internal derangement were evaluated with the same meth od after 50-70 ml air was injected into each of the joints. Nine months later, the data of 2 patients were used for CT endoscopy reconstruction. The results we re compared with intraoperative findings. Results:Experimentally, the sensitivity and specificity were 88.9 % and 93.9 % by detection of meniscal abnormalities, 85.7 % and 10 0% by detection of cruciate ligament lesions, and 72.7 % and 100% by detectio n of cartilage damage, respectively. Clinically, the sensitivity and specificity were 90.0 % and 95.0 % by detection of meniscal lesion. As to ligament, t he figures were 85.7 % and 100% respectively. Images of virtual arthroscopy s imulated the images of real arthroscopy. Conclusions:Spiral CT arthrography of multiplanar reconstructi on technique offers fine images of internal structures of the knee, with clear b order and internal structure. It is an accurate method for detecting meniscal, cruciate and collateral ligament and cartilaginous lesions that cause internal d erangement of the knee. Virtual arthroscopy technique is a hopeful method for de tecting reasons of derangement of the knee.

关键词： Knee injuries arthrography Tomography scanners, X -ray computed

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Reporting rotator cuff tears on magnetic resonance arthrography using the Snyder's arthroscopic classification

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世界放射学杂志：英文版（电子版） 2017年第3期9卷 126-133页

作者： Alberto Aliprandi Carmelo Messina Paolo Arrigoni Michele Bandirali Giovanni Di Leo Stefano Longo Sandro Magnani Chiara Mattiuz Filippo Randelli Silvana Sdao Francesco Sardanelli Luca Maria Sconfienza Pietro Randelli Servizio di Radiologia IRCCS Policlinico San Donato Scuola di Specializzazione in Radiodiagnostica Università degli Studi di Milano Unità Operativa di Ortopedia e Traumatologia Ⅱ IRCCS Policlinico San Donato Dipartimento di Scienze Biomediche per la Salute Università degli Studi di Milano Unità Operativa di Ortopedia e Traumatologia V IRCCS Policlinico San Donato Unità Operativa di Radiologia/Diag-nostica per Immagini con Servizio di Radiologia Interventistica IRCCS Istituto Ortopedico Galeazzi Unità Operativa Complessa I Divisione Istituto Ortopedico Gaetano Pini

AIM To determine diagnostic performance of magnetic resonance arthrography(MRA) in evaluating rotator cuff tears(RCTs) using Snyder's classification for *** One hundred and twenty-six patients(64 males, 62 females; median age 55 years) underwent shoulder MRA and arthroscopy, which represented our reference standard. Surgical arthroscopic reports were reviewed and the reported Snyder's classification was recorded. MRA examinations were evaluated by two independent radiologists(14 and 5 years' experience) using Snyder's classification system, blinded to arthroscopy. Agreement between arthroscopy and MRA on partial-and fullthickness tears was calculated, first regardless of their extent. Then, analysis took into account also the extent of the tear. Interobserver agreement was also calculated the quadratically-weighted Cohen kappa *** On arthroscopy, 71/126 patients(56%) had a fullthickness RCT. The remaining 55/126 patients(44%) had a partial-thickness RCT. Regardless of tear extent, out of 71 patients with arthroscopically-confirmed fullthickness RCTs, 66(93%) were correctly scored by both readers. All 55 patients with arthroscopic diagnosis of partial-thickness RCT were correctly assigned as having a partial-thickness RCT at MRA by both readers. Interobserver reproducibility analysis showed total agreement between the two readers in distinguishing partial-thickness from full-thickness RCTs, regardless of tear extent(k = 1.000). With regard to tear extent, in patients in whom a complete tear was correctly diagnosed, correct tear extent was detected in 61/66 cases(92%); in the remaining 5/66 cases(8%), tear extent was underestimated. Agreement was k = 0.955. Interobserver agreement was total(k = 1.000).CONCLUSION MRA shows high diagnostic accuracy and reproducibility in evaluating RCTs using the Snyder's classification for reporting. Snyder's classification may be adopted for routine reporting of MRA.

关键词： Arthroscopy Magnetic resonance imaging Shoulder arthrography Supraspinatus tendon Rotator cuff tear

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The Measurement and Analysis of the Intra-articular Pressure in Osteoarthrosis of Temporomandibular joint

The Measurement and Analysis of the Intra-articular Pressure...

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中华口腔医学会第14次全国口腔医学学术会议（2012年会）

作者： Stomatology Li Hong Supervisor:Zheng YouHua

Introduction:Temporomandibular disorder(TMD)is a nonspecific diagnosis that represents a group of often painful and/or dysfunctional conditions involving the muscles of mastication and the temporomandibular joint(TMJ).It is usually classified as masticatory muscle disorders,Structural Disorder(internal derangement), inflammatory disease and Osteoarthrosis according to Ma Xuchen—Chang Chenkang’s classification in *** of temporomandibular joint (TMJOA)is a degenerative joint disease that is characterized by articular cartilage degradation and concomitant reparative *** results from an imbalance between predominantly chondrocyte controlled anabolic and catabolic *** clinical symptoms and signs include joint pain,click,crepitus and dysfunction. Hitherto,the etiology and pathology of OA is remained unclear and clinical diagnosis is majorly based on the clinical symptoms,signs and radiographic *** CBCT is applicated,the clinical diagnosis is more easily,and the accuracy is ***,CBCT is not suitable for the detection of articular disc *** and angiography are the two main tools for the detection of temporomandibular disc *** them,MRI is good for large perforation of articular disc,but the sensitivity is poor,while arthrography is a better choice which can demonstrated the high density agent of inferior and superior cavitives with X radiographs after arthrography of superior cavity of *** arthrography has some disadvantages:①Patients often feel swelling,occlusal discomfortable and other adverse effects;②Detection of articular disc position by arthrograph sometimes can result in misdiagnosis;③Patients with iodine allergy history should not receive *** intra-articular pressure of Temporomandibular joint (TMJ-IAP)is the pressure of the intra-articular fluid pressure,which can be mapped as pathogenic factor and pathogenesis of TMD from the biomechanical point of view. IAP i

关键词： osteoarthrosis of temporomandibular join intra-articular pressure arthrography

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