An inflammatory myofibroblastic tumor of the ampulla of Vater, an exceptional location: a case report.

Inflammatory myofibroblastic tumors constitute a group of mesenchymal tumors associated with inflammatory infiltration. They occur mainly in young patients. It is classified by the World Health Organization as a borderline neoplasm. They are observed in many organs, particularly the lungs. Digestive localization is rare, and localization into the ampulla of Vater has been reported once. We report the case of a 39-year-old patient who was admitted for cholestatic jaundice with right hypochondrium pain. Computed tomography and magnetic resonance imaging revealed a tumor at the biliopancreatic junction. A cephalic duodenopancreatectomy was performed, and a histological examination of the surgical specimen revealed an inflammatory myofibroblastic tumor of the ampulla of Vater. The postoperative evolution was without any complications. This is the second case of localization of an inflammatory myofibroblastic tumor in Vater's ampulla. The therapeutic approach is the complete excision of these inflammatory tumors, thus reducing the risk of local recurrence. In the literature, all cases of incomplete excision have resulted in recurrences. Inflammatory myofibroblastic tumors are rare. The diagnosis was based on histopathological findings and confirmed using immunohistochemical techniques.

Informations de copyright

Copyright © 2023 The Author(s). Published by Wolters Kluwer Health, Inc.

Déclaration de conflit d'intérêts

All authors declare that they have no conflicts of interest.Sponsorships or competing interests that may be relevant to content are disclosed at the end of this article.