82% are spherical cysts: No communication with lumen
18% are tubular: Often communicate with lumen of adjacent gut
TOP DIFFERENTIAL DIAGNOSES
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Depends on location of cyst and imaging modality
Stomach or duodenum
–
Pancreatic pseudocyst or cystic tumor
Ileum
PATHOLOGY
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Usually lined by GI tract epithelium with smooth muscle in wall
Ectopic mucosa within cysts includes gastric, squamous, transitional, and ciliated mucosa
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Associated: Vertebral anomalies, esophageal atresia, other GI tract duplications
CLINICAL ISSUES
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Most are discovered in infancy or early childhood
Related
Diagnostic Imaging_ Gastrointes - Michael P Federle
