Obstructive Jaundice Revealing Primary Diffuse Large B-Cell Lymphoma of the Ampulla of Vater in a Child: A Case Report

This case underscores that lymphoma, though rare, should be considered in the differential diagnosis of obstructive jaundice even in children. A multimodal approach involving ERCP with biopsy and imperative immunohistochemistry is crucial for an accurate diagnosis to avoid unnecessary surgery. Management centered on immunochemotherapy, with adjuncts like biliary decompression and radiotherapy, can lead to successful outcomes in pediatric ampullary DLBCL.