胰腺癌影像学表现英语读片课件.ppt

1、 Pancreatic cancer begins in the tissues of the pancreas anatomic structure 1CT00076664y Male feel abdominal and back pain Jaundice for 2 months Plain scan：A irregular slightly lower density mass is located in the head of the pancreas.Contrast-enhanced scan（Arterial phase）：the mass was slightly enha

2、nced and the SMA（superior mesenteric artery）was surrounded by the mass.Portal venous phase：The enhancement of the mass is slowly strengthened.CT features:1 pancreatic parenchymal mass,as its main features.Tumor morphology for the oval,lobulated or irregular mass,irregular margin,and the boundary of

3、pancreatic tissue is not clear.2.Pancreatic contour,contour and size change is another important sign Bile duct and pancrea duct dilation is an Pancreatic Medium to high differentiation adenocarcinoma Chronic pancreatitis CT in differential diagnosis of pancreatic cancer:The lesion of pancreatic can

4、cer multiple nodes,limited,irregular edge,liquefied necrosis,calcification is rare.Pancreatitis can be normal region,liquefaction necrosis is rare,calcification,especially along the duct to the distribution of the calcifications are its important characteristics.Pancreatitis bile duct and pancrea du

5、ct dilation of irregular,often through the lesion,but not through the pancreatic cancer lesions,found the important sign of metastasis is also a differential.duct dilation or obstruction is Tuberculosis of pancreas pancreatic tuberculosis often have tuberculosis poisoning symptoms such as fever,loss

6、 of appetite,sweating,it also showed a similar to the lesions caused by obstructive jaundice,its characteristic is the head of the pancreas and surrounding showed multiple enlarged lymph nodes,lesions seen in many a speckled calcification.Pancreatic cancer is the most common tumor of pancreas At pre

7、sent,the prognosis remains poor,high mortality rate According to reports,around the world each year new primary pancreatic cancer patients is about 185000 cases The mortality rate is nearly 100%.Pancreatic cancer in the elderly more common,but there are.also childrens reports of patients.pancreatic

8、cancer Mostly occurs in the head of pancreas,accounts for about 75%,the body and the tail is next.Sometimes the three parts are involved,called diffuse pancreatic cancer.A.W h i p p l e o p e r a t i o n (P a n c r e a t i c o-duodenectomy)B.Pylorus Preserving Pancreaticoduodenectomy C.Total Pancreatectomy d.Palliative Surgical TreatmentContnContnPancreatic cancer should to the surgery treat primarily.谢谢！