Fine-needle aspiration cytology from the pancreatic mass and endoscopic biopsy from duodenal tumor revealed lymphoma of diffuse large B cell origin.

• 超音波引导下以细针吸取胰脏肿瘤的细胞学检查及在内视镜下对此十二指肠肿块进行切片检查，均显示为大型B细胞型淋巴瘤。