Obstructive renal cyst in a dog: ultrasonography-guided treatment using puncture aspiration and injection with 95% ethanol |
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| Authors: | Zatelli Andrea Bonfanti Ugo D'Ippolito Paola |
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| Institution: | Clinica Veterinaria Pirani, Reggio Emilia, Italy. clinvet-pirani@libero.it |
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| Abstract: | A 12-year-old, intact male, mixed-breed dog was evaluated after surgical removal of a mast cell tumor from the shoulder. Results of laboratory tests were within the reference ranges, but examination of urinary sediment identified epithelial cells of the upper urinary tract and microscopic hematuria. Abdominal ultrasound examination performed after a 12-hour fast identified a simple cyst in the left kidney. The cyst was approximately 26 mm in diameter, was anechoic, and had a thin, slightly hyperechoic wall with distal acoustic enhancement accompanied by dilatation of the caudal papillary duct and renal pelvis (Fig 1). Excretory urography with iopamidola contrast (800 mg/kg IV) confirmed the presence of dilatation of the left renal pelvis and collecting system (Fig 2). |
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