Ganglioneuromas (GNs) are rare benign tumors and their association with neurofibromatosis type 1 (NF-1) is especially uncommon. We report in this article the case of a young woman, subjected to diagnostic work-up because of abdominal pain. Endoscopy and histology revealed not only a GN in the papilla of Vater, but also NF-1. Because of the size and macroscopic features of the lesion, we performed pancreatoduodenectomy, from which she recovered uneventfully. Histological examination of the resected tumor confirmed a diagnosis of GN.
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