Subject headings pancreatic neoplasms/diagnosis; serodiagnosis; magnetic resonace cholangiopancreato-graphy; endoscopic ultrsound; tomography, emission-computed; biopsy, needle

• 主题词胰腺肿瘤/诊断；血清诊断；磁共振胰胆管成象；超声内镜；体层摄影术，发射型计算机；活组织检查，针吸