ISSN 2398-2950      

Bladder: developmental anomaly

ffelis
Contributor(s):

Melissa Wallace

Synonym(s): Exstrophy, agenesis


Introduction

  • Very rare embryological anomalies.
  • Neonatal condition.
    Either Ventral abdominal wall formed by dorsal bladder wall and ventral part of bladder absent.
    Or Total failure of differentiation of ventral bladder component of cloaca.
  • Treatment: none.
  • Prognosis: guarded.

Pathogenesis

Etiology

  • Embryological anomaly.

Pathophysiology

  • Failure of normal bladder development.
  • Total failure of differentiation of ventral bladder component of cloaca.
  • Bladder hypoplasia, associated with bilateral ectopic ureters.

Timecourse

  • Usually in neonatal period depending on severity of anomaly.

Diagnosis

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Treatment

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Outcomes

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Aumann M, Worth L T & Drobatz K J (1998) Uroperitoneum in cats - 26 cases (1986-1995). JAAHA 34 (4), 315-324 PubMed.
  • Léveillé R (1998) Ultrasonography of urinary bladder disorders. Vet Clin North Am Small Anim Pract 28 (4), 799-821 PubMed.
  • Holt P E & Gibbs C (1992) Congenital urinary incontinence in cats - a review of 19 cases. Vet Rec 130 (20), 437-442 PubMed.

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