2018年4月9日 · Based on the latest World Health Organization (WHO) classifications in 2010, intraductal papillary neoplasm of the bile duct (IPNB) is defined as a papillary or villous neoplasm covering delicate fibrovascular stalks occurring in the bile ducts [1].

2024年6月23日 · Intraductal papillary neoplasm of the bile duct (IPNBD) is a preinvasive biliary tree neoplasm considered to be a precursor of cholangiocarcinoma. Biliary papillary adenoma and non-invasive papillary carcinoma of the biliary tract were terms used to refer to localized low-grade and high-grade intraductal papillary neoplasm of the bile ducts 1.

Purpose: Intraductal papillary neoplasm of the bile duct (IPNB) is a precursor to invasive carcinoma and is a distinct pathologic diagnosis. The purpose of this study was to evaluate imaging features of IPNB on cross-sectional imaging studies with histopathologic correlation.

Intraductal papillary neoplasm of the bile duct (IPNB), a pre-invasive neoplasm of the bile duct, is being established pathologically as a precursor lesion of invasive cholangiocarcinoma (CCA), and at the time of surgical resection, approximately half of IPNBs show stromal invasion (IPNB associated with invasive carcinoma).

2024年1月4日 · Intraductal papillary neoplasia of the bile ducts (IPNB) is a rare epithelial biliary tumor. It is considered a premalignant neoplasm with a potential for invasive malignancy. It is characterized by intraductal papillary or villous neoplasms covering delicate fibrovascular stalks and may arise in both the intrahepatic and extrahepatic biliary tree.

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According to the morphology of tumours and extent of bile duct dilations, IPNB was classified into seven types: I, upstream-ductectatic type; II, typical type; III, superficial-spreading type; IV, no-mass-forming type; V, intrahepatic-cystic type; VI, extrahepatic-cystic type; …

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2020年7月10日 · In this paper, we propose a “visual listening in” approach (i.e., mining visual content posted by users) to measure how brands are portrayed on social media. We develop BrandImageNet, a multi-label deep convolutional neural network model, to predict the presence of perceptual brand attributes in the images consumers post online.

2018年12月20日 · Traditional brand architecture is broadened using two additional dimensions—the level of intercompany partnerships and perceptional congruency between stakeholders—to produce a model that distinguishes between open and closed brand structures and includes the consumers’ perceptions as a mediator of brand strategy efficiency.