نتایج جستجو برای: mucinous pancreatic tumour
تعداد نتایج: 149363 فیلتر نتایج به سال:
Pancreatic cysts are a complex group of benign, malignant, and premalignant lesions with diverse clinical, radiologic, and pathologic features. It is no longer believed that the vast majority of pancreatic cysts are pseudocysts, inclusion cysts, or benign neoplastic cysts that do not require follow-up. Our knowledge and understanding of neoplastic pancreatic cysts in general, and mucinous pancr...
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...
Context Carcinoembryonic antigen analysis of pancreatic cyst fluid is the tumor marker of choice for preoperatively differentiating mucinous from non-mucinous cystic lesions. Objective We aim to determine the most accurate cyst carcinoembryonic antigen cut-off value for distinguishing mucinous cysts from non-mucinous cysts with a focus on discriminating intraductal papillary mucinous neoplasms....
mucinous carcinoma of the breast is a well differentiated, rare histological type of invasive ductal carcinoma, seen in oldest median age (69 years). we describe a case of a 60 yr old female with large right breast mass of 10 years duration with no nodal involvement. the reasons to present this case are 1) because of its rarity. 2) despite having a large tumour size, the axillary lymph node is ...
Objective The sensitivity of pancreatic juice cytology for intraductal papillary mucinous neoplasm is insufficient. We evaluated the usefulness of repeated pancreatic juice cytology via an endoscopic naso-pancreatic drainage tube combined with carcinoembryonic antigen level of pancreatic juice for the diagnosis of malignant intraductal papillary mucinous neoplasm. Methods Between April 2004 and...
CONTEXT Biliary obstruction secondary to intrabiliary mucin is a relatively rare presentation of malignant intraductal pancreatic mucinous tumor. We report a case of unresectable intraductal pancreatic mucinous tumor associated with obstructive jaundice secondary to intrabiliary mucin. This case and a review of the literature, highlight the difficulty in obtaining sustained palliation from jaun...
Background:Management guidelines for pancreatic intraductal papillary mucinous neoplasms (IPMN) andmucinous cystic neoplasms (MCN) are based on the assumption that mucinous cysts can be accurately distinguished from other pancreatic cystic lesions. Previous studies using surgical material have identified recurrent mutations in GNAS and KRAS in pancreatic mucinous neoplasms. Yet, the diagnostic ...
Familial adenomatous polyposis (FAP) is characterised by the development of numerous colorectal adenomatous polyps. Other extracolonic benign or malignant lesions have been reported previously in association with FAP but precancerous lesions in the pancreas have never been described. We report the first case of intraductal papillary and mucinous pancreatic tumour (IPMT) in a patient with FAP. A...
BACKGROUND AND STUDY AIMS Endoscopic ultrasound (EUS) surveillance of patients with mucinous pancreatic cysts relies on the assessment of morphologic features suggestive of malignant transformation. These criteria were derived from the evaluation of surgical pathology in patients with pancreatic cysts who underwent surgery. Reliability of these criteria when evaluated by EUS in identifying lesi...
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