Meconium pseudocyst secondary to ileal atresia complicated by volvulus: antenatal MR demonstration

Václav Simonovský1, Jirí Lisý

  • 1Clinic of Imaging Methods, Faculty Hospital Motol and 2nd Medical Faculty, Charles University, V úvalu 84, Prague, 150 18, Czech Republic. simonovsky@post.cz

Pediatric Radiology
|January 9, 2007
PubMed

Insights

Prenatal MR imaging identified a large meconium pseudocyst late in fetal development. This case highlights a potential diagnostic pitfall, as rapid bowel obstruction can occur post-imaging.

Area of Science:

  • Medical imaging
  • Fetal medicine
  • Pediatric surgery

Background:

  • Meconium pseudocysts are rare fetal anomalies.
  • Prenatal diagnosis is crucial for timely intervention.
  • Magnetic resonance (MR) imaging offers detailed fetal anatomical evaluation.

Observation:

  • A rare case of a large meconium pseudocyst was evaluated using prenatal MR imaging.
  • The pseudocyst presented with unusual features: massive size, absence of meconium peritonitis, and late fetal development.
  • The fetus had a mechanically compensated bowel obstruction.

Findings:

  • Prenatal MR imaging successfully visualized the large meconium pseudocyst and associated findings.
  • The absence of peritonitis despite the large size was an unusual observation.
  • The case suggests a potential for rapid clinical deterioration after initial imaging.

Implications:

  • This case underscores the importance of comprehensive prenatal imaging interpretation.
  • It highlights a potential diagnostic pitfall where rapid deterioration may occur post-MR imaging.
  • Early recognition and management strategies for fetal meconium pseudocysts require further investigation.

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