Adrenal pheochromocytoma in a dog

Pheochromocytomas are rare tumors in dogs (typically old) that originate from the adrenal medulla. They are often invasive and may result in local venous thrombosis and metastases as in this dog. [annotated video, 1:26]
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Adrenal adenoma and adenocarcinoma in dogs

Adrenal adenomas or adenocarcinomas can result in variable sonographic changes. These masses may be functioning, secreting excessive cortisol that results in a Cushing’s syndrome, although some of these tumors can be found incidentally. [annotated video, 2:00]
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Adrenal hyperplasia in dogs with PDH

Pituitary-dependent hyperadrenocorticism typically results in bilateral adrenal enlargement, although the magnitude of this enlargement and the appearance of the adrenal tissue may vary. This video highlights common changes that can be expected in dogs with that condition.[annotated video, 2:21]
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Normal adrenal glands in cats

Using most of the anatomical landmarks described in the previous video for dogs, the adrenals can also be found systematically in cats. Normal adrenals in cats typically vary between 3.5 and 4.5 mm in height.[annotated video, 1:20]
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Ectopic ureter in a dog with ascending infection

Ultrasound is a complementary tool to diagnose ureteral ectopia as in this dog. [annotated video, 1:58]
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Obstructive nephrolithiasis and hydronephrosis in a cat

Hydronephrosis in cats is most often the result of ureteral obstruction caused by urolith migration. The sonographic changes found in a cat with distal ureteral obstruction are discussed in this video. [annotated video, 1:51]
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Perirenal pseudocysts in cats

Perirenal cysts is a rare condition that can represent an incidental finding in cats although in several cats, it is associated with renal parenchymal changes that lead to renal insufficiency. This video describes its sonographic features in different cats. [annotated video, 1:41]
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Polycystic renal disease in cats

Feline polycystic kidney disease (PKD), an inherited autosomal dominant condition that mainly affects Persian cats, shows typical features on ultrasound, which serves as the most useful detection tool for symptomatic and asymptomatic cats. [annotated video, 1:20]
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Renal carcinoma in a dog

Primary renal carcinoma or adenocarcinoma is rare in dogs and cats. Its sonographic features are described in this German Shepherd dog.[annotated video, 1:21]
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Renal lymphoma in cats

Renal lymphoma can result in variable changes on ultrasound. Some are non specific while a few of these are quite specific of the condition. Ultrasound-guided fine-needle aspirations can be securely performed in most cases and allow a confirmation of the diagnosis. [annotated video, 2:22]
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