Primary pancreatic diffuse large B‐cell lymphoma, activated B‐cell subtype, diagnosed by endoscopic ultrasound‐guided fine needle aspiration—A case report and review of the literature

Although primary pancreatic lymphoma is a rare cause of pancreatic mass, this diagnosis should be considered during work‐up. Furthermore, when adequate diagnostic material is available from biopsy, complete workup of the lymphoma, including not only type but also subtype when applicable, should be...