A case of hydronephrosis due to intrarenal ureteral obstruction in a Japanese Black calf

  • SATO Reiichiro
    Graduate School of Medicine and Veterinary Medicine, University of Miyazaki, Miyazaki, Japan Faculty of Agriculture, University of Miyazaki, Miyazaki, Japan
  • HEGAZY Asmaa A.
    Graduate School of Medicine and Veterinary Medicine, University of Miyazaki, Miyazaki, Japan
  • YAMADA Kazutaka
    School of Veterinary Medicine, Azabu University, Kanagawa, Japan
  • HIRAI Takuya
    Graduate School of Medicine and Veterinary Medicine, University of Miyazaki, Miyazaki, Japan Faculty of Agriculture, University of Miyazaki, Miyazaki, Japan
  • NAKAI Mutsumi
    Faculty of Agriculture, University of Miyazaki, Miyazaki, Japan
  • SATO Yukiko
    Miyazaki Agricultural Mutual Aid Association, Miyazaki, Japan
  • SATOH Hiroyuki
    Graduate School of Medicine and Veterinary Medicine, University of Miyazaki, Miyazaki, Japan Faculty of Agriculture, University of Miyazaki, Miyazaki, Japan
  • STEINER Adrian
    Vetsuisse Faculty, Clinic for Ruminants, University of Bern, Bern, Switzerland

Bibliographic Information

Published
2024
Resource Type
journal article
DOI
  • 10.1292/jvms.24-0173
Publisher
JAPANESE SOCIETY OF VETERINARY SCIENCE

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Description

<p>A 23-day-old Japanese Black female calf presented with distension of the lower abdomen. Abdominal ultrasonography revealed a cystic structure with fluid accumulation and moderate echoluminance in the right abdominal cavity. Ultrasonography and contrast-enhanced computed tomography revealed congenital hydronephrosis due to narrowing of the intrarenal ureter, and right kidney resection was performed. Blood urea nitrogen and serum creatinine levels, which were within reference values preoperatively, peaked on the third postoperative day and gradually decreased afterward until reaching preoperative values on the tenth day. In bovine hydronephrosis, nephrectomy may provide a favorable prognosis if one kidney is intact. Moreover, this case suggests that blood tests immediately after surgery are not suitable for evaluating residual kidneys.</p>

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