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Urorectal septum malformation sequence.

Daniel H Williams1, Philip Fitchev, Maria Luisa C Policarpio-Nicolas

  • 1Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611, USA. dhw12@yahoo.com

Urology
|September 6, 2005
PubMed
Summary
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The urorectal septum malformation sequence involves absent anal openings and ambiguous genitalia. Early diagnosis and surgical intervention are crucial for survival in affected infants.

Area of Science:

  • Embryology
  • Pediatric Surgery
  • Urology

Background:

  • The urorectal septum malformation sequence (URSMS) is a rare congenital anomaly.
  • It involves malformations of the cloaca, urogenital tract, and hindgut.
  • Embryonic mesodermal defects are implicated in its pathogenesis.

Observation:

  • The full URSMS presents with absent perineal and anal openings, ambiguous genitalia, and associated anomalies.
  • Partial URSMS features a single perineal opening into a common cloaca, which is survivable.
  • These anomalies arise from early embryonic developmental errors.

Findings:

  • URSMS encompasses a spectrum of severe congenital defects.
  • The condition's severity dictates prognosis, with full URSMS being highly lethal.

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  • Partial URSMS requires prompt surgical and urological management.

    • Implications:

    • Early recognition and multidisciplinary management are vital for patient survival.
    • Urologists play a key role in diagnosing and managing URSMS.
    • Understanding URSMS pathogenesis aids in developing diagnostic and therapeutic strategies.