foregut duplication cysts
Wednesday 15 October 2003
Definition: Foregut duplications are rare entities that include both esophageal and bronchogenic cysts. Foregut duplication cysts are malformations developing from the endoderm and mesoderm of the digestive and respiratory system in the early weeks of gestation.
Unilocular or multilocular dysontogenic cysts are most commonly thoracically located adjacent to the trachea and bronchus.
There are 3 types of foregut duplication cysts:
esophageal duplication cyst
Neuroenteric cysts are esophageal duplication cysts that extend into the
Duplications of the esophagus are the second most common site of duplication of the alimentary tract. Cervical esophageal duplication cysts occur in the upper one third of the esophagus and are the second rarest type of esophageal duplication cyst.
oesophageal duplication cyst (oesophageal enteric cyst)