The effect of prepuberal and postpuberal gonadectomy on penile extrusion and urethral diameter in the domestic cat

Margaret V. Root, Shirley D. Johnston, Gary R. Johnston, Patricia N. Olson

Research output: Contribution to journalArticlepeer-review

44 Scopus citations

Abstract

Male (n = 6/group) and female (n = 6/group) kittens were gonadectomized at 7 weeks or 7 months of age, or left intact. At 22 months of age, complete penile extrusion was possible in all of the intact males, in 3/5 (60%) males castrated at 7 months of age, and in none of the males castrated at 7 weeks of age. Antegrade (voiding) cystourethrograms were performed at 22 months of age. Diameter of the preprostatic (p = 0.13) and penile (p > 0.25) urethra of male cats did not vary by group. Diameter of the pre-pelvic urethra of female cats gonadectomized at 7 weeks of age was significantly smaller than that of intact females (p = 0.02).

Original languageEnglish (US)
Pages (from-to)363-366
Number of pages4
JournalVeterinary Radiology and Ultrasound
Volume37
Issue number5
DOIs
StatePublished - Jan 1 1996

Keywords

  • Cat
  • Cystourethrography
  • Gonadectomy
  • Urethral diameter

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