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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Distribution of normal and abnormal fluid collections in the glenohumeral joint: implications for MR arthrography.
    Author: Recht MP, Kramer J, Petersilge CA, Yu J, Pathria M, Trudell D, Sartoris DJ, Resnick D.
    Journal: J Magn Reson Imaging; 1994; 4(2):173-7. PubMed ID: 8180457.
    Abstract:
    Although magnetic resonance (MR) images of the glenohumeral joint frequently demonstrate intraarticular fluid, no specific criteria have, to the authors' knowledge, been published that allow accurate assessment of the amount of fluid present. Also, despite the increasing use of MR arthrography of the shoulder, the optimal amount of intraarticular fluid that should be used with this technique has not been determined. The authors progressively distended the glenohumeral joint in six cadaveric shoulder specimens with a dilute gadopentetate dimeglumine solution and obtained MR images after injection of 2, 5, 10, 15, and 20 mL of the solution. The pattern of fluid distribution was evaluated, and these results were then used to estimate the amount of fluid that was present in the glenohumeral joint on MR images of 20 shoulders obtained in 12 asymptomatic volunteers. In 14 of these shoulders, intraarticular fluid was present; however, in none was more than 2 mL evident. Results of the cadaveric study also indicated that 15 mL of intraarticular fluid appears to be the optimal amount for MR arthrography.
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