نتایج جستجو برای: pancreatic neoplasms
تعداد نتایج: 567731 فیلتر نتایج به سال:
Although incidental pancreatic cystic neoplasms are being diagnosed with increasing frequency, little is known about the accurate prevalence of pancreatic cysts in the general population. The aims of this study were to evaluate the crude prevalence rate of pancreatic cystic neoplasms in asymptomatic healthy adults, and calculate the age- and sex-adjusted nationwide prevalence rate.A total of 21...
BACKGROUND Cystic neoplasms comprise 1-10% of all pancreatic neoplasms. Most authors recommend resection due to the difficulties in differentiating benign from malignant tumors prior to operation. We performed an analysis on the radical surgical handling of patients with cystic neoplasms of the pancreas. PATIENTS AND METHODS We analyzed data of all patients with pancreatic neoplasms who were ...
malignant tumors of pancreas are usually primary neoplasms and pancreatic metastases are rare findings. we are reporting a case of squamous cell carcinoma (scc) of the esophagus with pancreatic metastasis. a 59-year old woman was admitted with chief complaint of abdominal pain and mass. she was a known case of esophageal scc since 4 years before when she had undergone transthoracic esophagectom...
Pancreatic ductal adenocarcinoma (and its histological variants), also referred to as pancreatic cancer (PC) comprises 90% of exocrine pancreatic neoplasms [1]. This highly aggressive cancer is the fourth leading cause of cancer death in the USA [2]. More than 80% of patients with PC present with advanced disease that is incurable by surgery. Most tumors greater than 5 cm in size show dissemina...
Pancreatic endocrine neoplasms are neoplastic proliferations of islet cells or islet cell precursors and are capable of secreting a variety of synthetic products, including insulin, glucagon, gastrin, and vasoactive intestinal peptide. The biological behavior of pancreatic endocrine neoplasms is often unpredictable, and there are few reliable histopathologic criteria reliably correlating with m...
PURPOSE Hypermethylation of CpG islands in the promoters of selected genes is a common feature of neoplasia. Aberrant methylation of cyclin D2 has been observed in several cancers. We investigated the methylation of cyclin D2 in aging and pancreatic neoplastic development, and the utility of cyclin D2 methylation as a marker of pancreatic adenocarcinoma. EXPERIMENTAL DESIGN Methylation-specif...
The biological behavior of a cystic pancreatic endocrine neoplasm is less aggressive than that of pancreatic neuroendocrine neoplasms, and its prognosis is better. Limited surgery should be considered for cystic pancreatic endocrine neoplasms that are not accompanied preoperatively by lymph node or distant metastasis.
PURPOSE Most familial cancer susceptibility genes are tumor suppressor genes that are biallelically inactivated in familial neoplasms through somatic deletion of the wild-type allele. Identifying the genomic losses that occur in pancreatic neoplasms, particularly those that occur in familial and precursor neoplasms, may help localize the genes responsible for pancreatic cancer susceptibility. ...
intraductal papillary mucinous neoplasms (ipmns) are rare pancreatic tumours, accounting for less of 1-2% of all neoplasms of the gland. main characteristics of ipmns are their favourable prognosis as these pre-malignant or frankly malignant lesions are usually slow-growing tumours and radical surgery is frequently possible. according with the localization of the lesions, three different entiti...
Mucinous pancreatic neoplasms are uncommon disorders classified as either mucinous cystic neoplasms (mucinous cystadenoma or cystadenocarcinoma) or the more recently described intraductal mucin hypersecreting neoplasms (IMHN), also termed mucinous ductal ectasia. The mucinous cystic neoplasms share many common features with IMHN's but remain distinct clinico-pathologic entities. These tumors ha...
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