Fig. 6From: Intra-arterial versus intra venous contrast-enhanced computed tomography of the equine headTransverse CT and IV contrast enhanced CT images of case 15 (right is to the left and dorsal is to the top). a Secondary sinusitis in the right ventral conchal sinus (circle) characterised by mucosal thickening and free fluid (fluidline). b Adjacent mucosal contrast enhancement (arrow heads) is detectedBack to article page