Today's Veterinary Practice

NOV-DEC 2017

Today's Veterinary Practice provides comprehensive information to keep every small animal practitioner up to date on companion animal medicine and surgery as well as practice building and management.

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32 IMAGING ESSENTIALS PEER REVIEWED distinction should be readily identified. At the corticomedullary junction, the interarcuate vessels can be identified normally in some dogs and cats. The normal renal cortex in dogs can be slightly hyperechoic to the liver. 5 In normal cats, however, it is not unusual for the renal cortices to be isoechoic or hyperechoic to the hepatic parenchyma. The renal medulla is homogeneous but often has a coarser echotexture than the renal cortex. The renal vessels (artery and vein) can be seen entering the renal hilum. Within the renal hilum, extending into the renal sinus, fat can be deposited (hyperechoic), especially in cats. Normally, the renal pelvis is not dilated, but a small amount of FIGURE 1. Imaging planes of the left kidney in a dog: (A) long axis dorsal, (B) long axis sagittal, (C) short axis transverse. Imaging planes of the left kidney in a cat: (D) long axis dorsal, (E) long axis sagittal, (F) short axis transverse. The different parts of the kidney are labeled in each image. The renal cortex is equal in thickness with the renal medulla and is hyperechoic relative to the renal medulla. A C E B D F

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