Esophageal submucosal gland duct adenoma: An unrecognised esophageal counterpart of minor salivary gland tumours with frequent <i>BRAF V600E</i> mutations

This study delineates a distinct subtype of benign adenoma arising from the esophageal submucosal gland duct, characterised by multiple lobulated cystic proliferation of benign epithelial layers within the submucosa. BRAF V600E mutations were present, similar to in sialadenoma papilliferum. We determined the genetic mutation present in esophageal submucosal gland duct adenoma, providing further evidence that it is an esophageal counterpart of minor salivary gland tumours.