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A Case of a Fibrous Omphalomesenteric Duct Remnant Causing an Intestinal Obstruction in an Adult

Camille Tonneau1, Jerome Herve1, Benjamin Nebbot1

  • 1Hopital de Braine L'Alleud, Braine L'Alleud, Belgium.

Acta Medica Lituanica
|March 10, 2025
PubMed

Insights

Persistent omphalomesenteric canal (OMC) remnants can cause rare but serious intestinal obstruction. Surgical intervention is crucial for diagnosis and treatment of this congenital anomaly.

Area of Science:

  • Embryology
  • Surgical Pathology

Background:

  • The omphalomesenteric canal (OMC) is a vital embryonic structure that typically regresses after development.
  • Persistence of the OMC remnant is uncommon and can lead to significant complications, including small intestinal obstruction.

Purpose of the Study:

  • To report a rare case of omphalomesenteric canal remnant persistence presenting in an 18-year-old male.
  • To highlight the diagnostic challenges and surgical management of this condition.

Main Methods:

  • Case report of an 18-year-old male with symptoms mimicking appendicitis.
  • Diagnostic imaging including CT scan.
  • Surgical exploration and resection.

Main Results:

  • The patient presented with flu-like symptoms, abdominal pain, fever, and a positive McBurney sign, leading to suspicion of appendicitis.
  • CT scan suggested intestinal occlusion.
  • Surgery revealed a fibrous band (OMC remnant) constricting the right colon and cecum, causing obstruction.

Conclusions:

  • Omphalomesenteric canal anomalies are rare, often present in children, and can cause diverse clinical problems.
  • Diagnosis is challenging due to non-specific symptoms that often mimic other conditions, frequently requiring surgical intervention for definitive diagnosis.
  • Intestinal obstruction due to OMC remnants necessitates urgent surgical resection, with surgery being the primary modality for both diagnosis and treatment.
Keywords:
abdominal surgeryadultcase reportemergencyocclusionomphalomesenteric duct

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