Mott J C, McAnulty J F, Darien D L, Steinberg H
Department of Medicine, School of Veterinary Medicine, University of Wisconsin, Madison 53706-1102, USA.
J Am Vet Med Assoc. 1996 Apr 15;208(8):1274-6.
A 6-year-old neutered male Golden Retriever was admitted for evaluation of intermittent hematuria of 2 months' duration. A 3-cm heterogeneous mass causing distortion of the caudomedial aspect of the left kidney was detected via ultrasonography. Histologic examination of a renal tissue sample obtained by ultrasound-guided biopsy revealed a telangiectatic vascular plexus of unknown origin. Low glomerular filtration rate was identified by a modified exogenous creatinine clearance test. Excretory urography revealed a filling defect in the medial aspect of the caudal pole of the kidney, near the hilus. Because total renal function was low, a decision was made to perform nephron-sparing surgery involving resection of centrally located renal parenchymal and pelvic tissue by en bloc resection in the median plane, instead of radical nephrectomy. After surgery, the hematuria resolved and further decrease in renal function was not evident. Nephron-sparing surgery is a viable option for dogs with compromised renal function when there is concern that radical nephrectomy may precipitate uremia.
一只6岁已绝育的雄性金毛猎犬因持续2个月的间歇性血尿入院评估。通过超声检查发现一个3厘米的不均匀肿块，致使左肾尾内侧出现变形。经超声引导活检获取的肾组织样本的组织学检查显示有一个来源不明的毛细血管扩张性血管丛。通过改良的外源性肌酐清除试验确定肾小球滤过率较低。排泄性尿路造影显示肾尾极内侧靠近肾门处有充盈缺损。由于总肾功能较低，决定实施保留肾单位手术，即通过在正中平面整块切除位于中央的肾实质和肾盂组织，而非根治性肾切除术。术后，血尿消失，肾功能未出现进一步下降。当担心根治性肾切除术可能引发尿毒症时，保留肾单位手术对于肾功能受损的犬类是一种可行的选择。
