Canis ISSN: 2398-2942

Bladder: agenesis

Contributor(s): Victoria Lipscomb

Introduction

  • Cause: extremely rare embryological anomaly (one reported case).
  • Total failure of differentiation of ventral bladder component of cloaca. The ureters may enter into the urrethra, vagina, rectum or a patent urachus.
  • Signs: urine dribbling and scalding from birth.
  • Diagnosis: examination, positive contrast intravenous urography and/or retrograde urethrography Radiography: urethrography.
  • Treatment: surgical transplantation of ureters to bowel.
  • Prognosis: guarded.

Pathogenesis

Etiology

  • Embryological anomaly.

Pathophysiology

  • Total failure of differentiation of ventral bladder component of cloaca.

Treatment

Further Reading

Publications

Refereed papers


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