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Pediatrics1 paper

Meacham syndrome

Last edited: 4/16/2026

Overview

Meacham syndrome is a rare sporadic disorder characterized by male pseudohermaphroditism with internal female genitalia (uterus and double/septate vagina), complex congenital heart defects, and diaphragmatic abnormalities 1.

Diagnosis

  • Clinical Features: Male pseudohermaphroditism, internal female genitalia, complex congenital heart defects, and diaphragmatic anomalies 1.
  • Genetic Testing: Consider WT1 gene mutation analysis, focusing on C-terminal zinc finger domains (e.g., Arg366Cys, Arg394Trp mutations) 1.
  • Management

  • Surgical Interventions: Early surgical correction for congenital heart defects and diaphragmatic abnormalities as indicated 1.
  • Multidisciplinary Care: Involvement of pediatric cardiology, pediatric surgery, and endocrinology to manage diverse manifestations 1.
  • Special Populations

  • Pediatrics: Early diagnosis and multidisciplinary management are crucial for improving outcomes 1.
  • Key Recommendations

  • Perform WT1 gene mutation analysis in cases presenting with the characteristic features of Meacham syndrome to identify potential genetic underpinnings (Evidence: Moderate) 1.
  • Implement a multidisciplinary approach involving specialists in cardiology, surgery, and endocrinology to address the multifaceted aspects of the syndrome (Evidence: Expert opinion) 1.
  • Prioritize timely surgical interventions for congenital heart defects and diaphragmatic anomalies to optimize patient outcomes (Evidence: Moderate) 1.
  • References

    1 Suri M, Kelehan P, O'neill D, Vadeyar S, Grant J, Ahmed SF et al.. WT1 mutations in Meacham syndrome suggest a coelomic mesothelial origin of the cardiac and diaphragmatic malformations. American journal of medical genetics. Part A 2007. link

    Original source

    1. [1]
      WT1 mutations in Meacham syndrome suggest a coelomic mesothelial origin of the cardiac and diaphragmatic malformations.Suri M, Kelehan P, O'neill D, Vadeyar S, Grant J, Ahmed SF et al. American journal of medical genetics. Part A (2007)

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