Canis ISSN: 2398-2942

Urethra: prolapse

Contributor(s): Phil Nicholls

Introduction

  • Cause: primarily seen in young brachycephalic dogs after periods of sexual excitement or hypersexuality.
  • Signs: penile urethral mucosa prolapses from urethral orifice.
  • Diagnosis: signs.
  • Treatment: reduce prolapse and prevent recurrence with purse-string suture of urethral orifice; resect prolapse in severe cases.
  • Sedation and management of hypersexuality is important in prophylaxis.
  • Prognosis: generally good if hypersexuality.

Pathogenesis

Etiology

  • Periods of sexual excitement or hypersexuality.
  • Urethral infection.

Predisposing factors

General
  • Sexual hyperactivity.

Specific

  • Breed, eg brachycephalics.

Pathophysiology

  • In prolonged cases the protruding mucosa may become devitalized.

Timecourse

  • Hours.

Diagnosis

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Treatment

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Prevention

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Outcomes

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Further Reading

Publications

Refereed papers


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