Contrast arthrography of the shoulder joint in experimental calves

Positive and double contrast arthrography of the shoulder joint was done in calves using Urographin 76% and room air as positive and negative contrast media, respectively. The positive contrast medium was used in the concentrations of 19%, 25%, 38%and76%and in volume of 1 to 14 mhfor various trials. Double contrast arthrography was done using 1 to 3 mL of 76% Urographin alongwith 15 to 25 mL air. Arthrograms obtained within 3 mintiues of the injection of the contrast medium were of good diagnostic quality. Lower concentration (38%) of the contrast medium helped in better visualisation of the articular tissues. Optimum dose of Urographin for shoulder arthrography was 2 mL. Double contrast arthrography had no merits over positive contrast arthrography.