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Value of ultrasound examination in differential diagnosis of pancreatic lymphoma and pancreatic cancer

World Journal of Gastroenterology 2008年第43期14卷 6738-6742页

作者： li qiu yan luo yu-lan Peng Department of Ultrasound,West China Hospital of Sichuan University,Chengdu 610041,Sichuan Province,China Author contributions:qiu l and luo y designed the research qiu l,luo y and Peng yl did the ultrasound examination qiu l and Peng yl collected the data qiu l and luo y drafted and revised the manuscript and approved the final version. Department of Ultrasound West China Hospital of Sichuan University Chengdu 610041 Sichuan Province China. wsqiuli@***

AIM： To investigate the value of clinical manifestations and ultrasound examination in the differential diagnosis of pancreatic lymphoma and pancreatic cancer. METHODS： The clinical and ultrasonic characteristics of 12 cases of pancreatic lymphoma and 30 cases of pancreatic cancer were retrospectively analyzed. RESUlTS： Statistically significant differences were found in the course of disease, back pain, jaundice, carcino-embryonic antigen （CEA） and CA19-9 increase, palpable abdominal lump, superficial lymph node enlargement, fever and night sweats, lesion size, bile duct expansion, pancreatic duct expansion, vascular involvement, retroperitoneal （below the renal vein level） lymph node enlargement, and intrahepatic metastasis between pancreatic lymphoma and pancreatic cancer. There were no significant differences in age of onset, gender ratio, weight loss, nausea and vomiting, lesion position, the echo of the lesion, and the blood flow of the lesion. CONClUSION： Pancreatic lymphoma should be considered for patients with long lasting symptoms, superficial lymph node enlargement, palpable abdominal lump, fever and night sweats, relatively large lesions, and retroperitoneal （below the level of the renal vein） lymph node enlargement. A diagnosis of pancreatic cancer should be considered more likely in the patients with relatively short disease course, jaundice, back pain, CEA and CA19-9 increase, relatively small lesions, bile duct expansion, obvious pancreatic duct expansion, peripheral vascular wrapping and involvement, or intrahepatic metastases.

关键词： Ultrasound Pancreatic lymphoma Pancreatic cancer

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