Indirect MR-Arthrography of the shoulder-value in the detection of SLAP-lesions

Herold, Thomas and Hente, R. and Zorger, N. and Finkenzeller, T. and Feuerbach, S. and Lenhart, M. and Paetzel, C. (2003) Indirect MR-Arthrography of the shoulder-value in the detection of SLAP-lesions. ROFO-FORTSCHRITTE AUF DEM GEBIET DER RONTGENSTRAHLEN UND DER BILDGEBENDEN VERFAHREN, 175 (11). pp. 1508-1514. ISSN 1438-9029

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Abstract

Purpose: A prospective study to assess the value of indirect magnetic resonance-arthrography (MR-Arthro) in the detection of lesions of the superior labrum (SLAP-lesions). Materials and Methods: Unenhanced magnetic resonance imaging (MRI) and indirect MR-Arthro of the shoulder were performed in 35 patients (9 females and 26 males) with a history of acute or chronic shoulder disorder. The images of unenhanced MRI and indirect MR-Arthro were analyzed independently from each other for the occurrence of SLAP-lesions and the findings correlated with the arthroscopic results. For arthroscopy, MRI and MR-Arthro, the SLAP-lesions were categorized based on the classification system of Snyder. Results: SLAP-lesions were diagnosed-by arthroscopy in 22 of 35 patients (63%). 9 of the 22 lesions (41%) were classified as type 1, 9 (41%) as type 2, three (13.5%) as type 3 and one (4.5%) as type 4. Using unenhanced. MRI sensitivity, specificity and accuracy in the detection of SLAP-lesions were calculated to be 73%, 85% and 77%. Indirect MR-Arthro showed a sensitivity of 91%, a specificity of 85% and an accuracy of 89%. Unenhanced MRI revealed correlation to the arthroscopic classification in 9 of 22 cases (41%) and indirect MR-Arthro in 18 of 22. cases (82%). Conclusion: Indirect MR-Arthro is a non-invasive method which offers excellent sensitivity in the diagnosis of SLAP-lesions. It provides important preoperative informations with regard to the exact location and extent of a tear.

Item Type: Article
Uncontrolled Keywords: ROTATOR CUFF LESIONS; GLENOID LABRUM; SUPERIOR LABRUM; HISTOLOGIC CORRELATION; MAGNETIC-RESONANCE; TEARS; DIAGNOSIS; INJURIES; COMPLEX; shoulder, injuries; magnetic resonance (MR); arthrography
Subjects: 600 Technology > 610 Medical sciences Medicine
Divisions: Medicine > Lehrstuhl für Unfallchirurgie
Medicine > Lehrstuhl für Röntgendiagnostik
Depositing User: Dr. Gernot Deinzer
Date Deposited: 04 Aug 2021 10:02
Last Modified: 04 Aug 2021 10:02
URI: https://pred.uni-regensburg.de/id/eprint/38496

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