Nephrectomy with hydronephrosis following ovariohysterectomy using surgical ligation clips in a dog
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A 7-year-old spayed female poodle presented with abdominal distension. Initial tests included a complete blood count, serum biochemistry panel, coagulation test, radiography, and ultrasound. As an additional test, a computed tomography urography was performed. Based on the ultrasound and CT findings, an exploratory laparotomy was performed to remove the ligation clip that appeared to be causing hydronephrosis and hydroureter in the left kidney. A ligation clip obstructing the proximal ureter of the left kidney was discovered. All clips, including the obstructing one, were removed, and a nephrectomy was performed. Gross examination of the kidney revealed almost no remaining renal parenchyma. Histopathological results showed compressive necrosis of the glomerular tissue, with no evidence of tumor or inflammation. The dog remained in good overall condition for 12 months postoperatively, with no abnormalities detected in blood tests. Hemorrhage and ureteral injury are major complications of ovariohysterectomy, preventable with proper visualization, awareness of the proximal ureter’s proximity to the uterine body, and careful tissue handling. This case report describes a rare instance of ureteral obstruction caused by a surgical ligation clip used during an ovariohysterectomy, which led to unilateral hydronephrosis in a dog.
Abstract
A 7-year-old spayed female poodle presented with abdominal distension. Initial tests included a complete blood count, serum biochemistry panel, coagulation test, radiography, and ultrasound. As an additional test, a computed tomography urography was performed. Based on the ultrasound and CT findings, an exploratory laparotomy was performed to remove the ligation clip that appeared to be causing hydronephrosis and hydroureter in the left kidney. A ligation clip obstructing the proximal ureter of the left kidney was discovered. All clips, including the obstructing one, were removed, and a nephrectomy was performed. Gross examination of the kidney revealed almost no remaining renal parenchyma. Histopathological results showed compressive necrosis of the glomerular tissue, with no evidence of tumor or inflammation. The dog remained in good overall condition for 12 months postoperatively, with no abnormalities detected in blood tests. Hemorrhage and ureteral injury are major complications of ovariohysterectomy, preventable with proper visualization, awareness of the proximal ureter’s proximity to the uterine body, and careful tissue handling. This case report describes a rare instance of ureteral obstruction caused by a surgical ligation clip used during an ovariohysterectomy, which led to unilateral hydronephrosis in a dog.
참고문헌 (18)
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