Korean J Gastrointest Endosc.  2007 Mar;34(3):164-169.

Two Cases of Endoscopic Resection of Submucosal Tumor of the Minor Papilla

  • 1Department of Internal Medicine, Soonchunhyang University College of Medicine, Cheonan Hospital, Cheonan, Korea. dhpark@schch.co.kr
  • 2Department of Pathology, Institute of Gastroenteroloy, Soonchunhyang University College of Medicine, Cheonan Hospital, Cheonan, Korea.


Tumors of the minor papilla are very rare and these tumors have generally been known as neuroendocrine tumors such as carcinoid tumor and somatostatinoma. As these are mostly submucosal tumors, their diagnosis is difficult by just performing endoscopic forceps biopsy, but diagnosis is possible by surgery or endoscopic resection. EUS and ERCP is an essential tool for the diagnosis of these tumors, and abdominal CT or MRI is also useful because there is the possibility of malignant tumors such as carcinoid tumor. For our present two cases, screening endoscopy revealed the polypoid lesion of the minor papilla. EUS disclosed that the submucosal tumor was limited to the submucosal layer and no abnormality was found from the abdominal CT and ERCP. Herein, we performed endoscopic resection for making the diagnosis and treatment. Histologically, these 2 tumors were diagnosed as ectopic pancreas and gangliocytic paraganglioma, respectively.


Minor papilla; Endoscopic resection; Ectopic pancreas; Gangliocytic paragangliom
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