نتایج جستجو برای: pancreas
تعداد نتایج: 31817 فیلتر نتایج به سال:
BACKGROUND von Hippel-Lindau disease is a dominantly inherited multi-system syndrome with neoplastic hallmarks. Pancreatic lesions associated with von Hippel-Lindau include serous cystic neoplasms, simple cysts, and neuroendocrine tumors. The combination of pancreatic neuroendocrine tumors and serous cystic neoplasms is relatively rare, and the surgical treatment of these lesions must consider ...
Cholecystokinin (CCK) is a growth factor for normal pancreas. Numerous studies also suggest that CCK promotes pancreatic carcinogenesis in the rat. Our previous studies suggested that growth of preneoplastic pancreatic foci was stimulated by CCK more than that of normal pancreas. We hypothesized that such differential growth might be due to increased numbers of CCK receptors in neoplastic tissu...
BACKGROUND Pancreas divisum, the most common congenital anomaly of the pancreas, is caused by failure of the fusion of the ventral and dorsal pancreatic duct systems during embryological development. Although various pancreatic tumors can occur in patients with pancreas divisum, intraductal papillary mucinous neoplasm is rare. CASE PRESENTATION A 77-year-old woman was referred to our hospital...
CONTEXT Heterotopic pancreas is defined as pancreatic tissue found out of the pancreas proper with no vascular or anatomical connection. It is a rare clinical entity and can be found at any portion of the alimentary system. CASE REPORT We describe a case of Meckel's diverticulum with heterotopic pancreas who presented massive lower gastrointestinal bleeding. CONCLUSION Lower gastrointestina...
140 Sir, Portal annular pancreas (PAP) is an uncommon and under-recognized congenital anomaly of the pancreas, which mostly remains asymptomatic but can have serious implications if a pancreatic surgery is being contemplated. In contrast to a conventional annular pancreas in which the pancreatic tissue encircles the second part of the duodenum, portal annular pancreas is characterized by encase...
Automated and accurate 3D medical image segmentation plays an essential role in assisting professionals to evaluate disease progresses make fast therapeutic schedules. Although deep convolutional neural networks (DCNNs) have widely applied this task, the accuracy of these models still need be further improved mainly due their limited ability context perception. In paper, we propose residual net...
The pancreatic head and neck constitute less than half (mean 46 +/- 5%) of the whole pancreas. There is no difference in the concentration of ductal epithelium between the head and the body of the pancreas. The preponderance of pancreatic exocrine tumours which arise in the head of the pancreas compared to the body is not, therefore, due to a larger number of cells at risk in the pancreatic hea...
Pancreas divisum (PD) is the most common congenital variant of the pancreas, affecting 5% to 14% of the population. The ventral duct only drains the ventral pancreas through the major papilla, whereas the majority of the pancreas drains via the dorsal duct through the minor papilla. We report the case of a 21-year-old woman with recurrent acute pancreatitis who presented with the rare finding o...
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