Diagnosis of SLAP lesions with Grashey-view arthrography

Skeletal Radiology
J H Edmund LeeVartan Malian

Abstract

To examine the accuracy of Grashey views obtained during shoulder arthrography in the diagnosis of clinically relevant superior labrum anterior-posterior (SLAP) lesions. Grashey views obtained during diagnostic arthrography (conventional and MR) were used to examine the superior labrum. Twenty-eight of 118 shoulder arthrograms obtained during a 27-month period fulfilled study criteria and were correlated for accuracy using arthroscopically confirmed grade 2-4 SLAP lesions as the standard of reference. Arthrograms were graded using the consensus method. Prevalence, sensitivity, specificity, and accuracy were 21%, 50%, 86%, and 79%. The appearance of the superior labrum on the Grashey view was compared subjectively with MR arthrography. Sources of errors were analyzed. Grashey views obtained during shoulder arthrography can diagnose clinically relevant SLAP lesions with moderately high specificity, moderate accuracy, and limited sensitivity. Findings on the Grashey view closely resemble those seen on coronal oblique MR arthrography. Grashey views should be considered in patients undergoing shoulder arthrography.

Citations

Mar 8, 2012·Archives of Orthopaedic and Trauma Surgery·Toby O SmithAndoni P Toms
May 17, 2005·Radiologic Clinics of North America·Marlena JbaraJavier Beltran
Apr 7, 2004·Magnetic Resonance Imaging Clinics of North America·Ian Beggs
Aug 22, 2014·The Journal of Bone and Joint Surgery. American Volume·Peter C PoonTim Astley

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