Adenocarcinoma arising from an ectopic pancreas in the duodenum: a case report

Background The malignant transformation of an ectopic pancreas in the duodenum is extremely rare. Herein, we report a case of an adenocarcinoma that arose from an ectopic pancreas. We also reviewed 14 cases of malignant transformations arising from an ectopic pancreas in the duodenum that were previ...

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Bibliographic Details
Published in:Surgical case reports 2019-08, Vol.5 (1), p.126-126, Article 126
Main Authors: Kaneko, Tsukasa, Ohara, Masanori, Okamura, Kunishige, Fujiwara-Kuroda, Aki, Miyasaka, Daisuke, Yamabuki, Takumi, Takahashi, Ryo, Komuro, Kazuteru, Suzuoki, Masato, Iwashiro, Nozomu, Kato, Mototsugu, Kimura, Noriko, Kijima, Hiroshi, Nakamura, Toru, Hirano, Satoshi
Format: Article
Language:English
Subjects:
Cancer-induced vomiting
Case Report
Distal gastrectomy
Duodenal adenocarcinoma
Ectopic pancreas
Medicine
Medicine & Public Health
Surgery
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Summary:Background The malignant transformation of an ectopic pancreas in the duodenum is extremely rare. Herein, we report a case of an adenocarcinoma that arose from an ectopic pancreas. We also reviewed 14 cases of malignant transformations arising from an ectopic pancreas in the duodenum that were previously published. Case presentation An 81-year-old man with a 1-month history of vomiting was admitted to our institution. Esophagogastroduodenoscopy (EGD) and computed tomography (CT) scans revealed an obstruction at the first part of the duodenum. A distal gastrectomy was performed for diagnostic and therapeutic purposes. The histopathological examination of the resected specimen showed adenocarcinoma that arose from an ectopic pancreas (Heinrich type 1). The patient is alive without relapse at 18 months of follow-up. Conclusions Adenocarcinoma that arises from an ectopic pancreas should be considered when an obstruction is identified in the duodenum.
ISSN:2198-7793
2198-7793
DOI:10.1186/s40792-019-0684-8