Heterotopic gastric mucosa in the cystic duct

Paolo Orizio1, Vincenzo Villanacci, Gabrio Bassotti

  • 1Department of Pediatric Surgery, University of Brescia, Brescia, Italy.

Insights

Heterotopic gastric mucosa in the gallbladder is rare, and even rarer in the biliary ductal system. This report details a pediatric case involving the cystic duct and gallstones.

Area of Science:

  • Gastroenterology
  • Pediatric Surgery
  • Pathology

Background:

  • Heterotopic gastric mucosa (HGM) is an uncommon condition where gastric tissue is found outside the stomach.
  • HGM in the gallbladder is rare, with fewer than 100 cases reported globally.
  • HGM within the biliary ductal system, including the cystic duct, is exceptionally rare.

Observation:

  • The authors present a unique pediatric case.
  • The case involves heterotopic gastric mucosa identified in the cystic duct.
  • This finding was associated with the presence of cholelithiasis (gallstones).

Findings:

  • This study documents an extremely rare instance of pediatric heterotopic gastric mucosa.
  • The location of the heterotopic gastric mucosa was specifically the cystic duct.
  • The condition co-occurred with gallstone formation in this pediatric patient.

Implications:

  • This case expands the known spectrum of heterotopic gastric mucosa presentations.
  • Understanding such rare occurrences is crucial for accurate diagnosis and management in pediatric hepatobiliary conditions.
  • Further research may elucidate the embryological or etiological factors contributing to HGM in the biliary system.

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