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Hepatocellular carcinoma presenting as an extrahepatic mass:A case report and review of literature

World Journal of Gastrointestinal Oncology 2024年第5期16卷 2241-2252页

作者： Wei Kelly Wu krutika patel Chandrasekhar Padmanabhan Kamran Idrees Department of Surgery Vanderbilt University Medical CenterNashvilleTN 37232United States Department of Pathology Microbiology and ImmunologyVanderbilt University Medical CenterNashvilleTN 37232United States Division of Surgical Oncology and Endocrine Surgery Department of SurgeryVanderbilt University Medical CenterNashvilleTN 37232United States

BACKGROUND Hepatocellular carcinoma(HCC)is a primary liver tumor generally diagnosed based on radiographic *** disease is typically associated with increased tumor diameter,multifocality,and vascular *** report a case of a patient who presented with extrahepatic HCC metastasis to a portocaval lymph node with occult hepatic primary on computed tomography(CT).We review the literature for cases of extrahepatic HCC presentation without known hepatic lesions and discuss strategies to differentiate between metastatic and ectopic *** SUMMARY A 67-year-old male with remotely treated hepatis C was referred for evaluation of an enlarging portocaval,mixed cystic-solid *** CT evaluations demonstrated steatosis,but no cirrhosis or liver *** ultrasound demonstrated a normal-appearing pancreas,biliary tree,and *** needle aspiration yielded atypical *** differential diagnosis included duodenal or pancreatic cyst,lymphoproliferative cyst,stromal or mesenchymal lesions,nodal involvement from gastrointestinal or hematologic malignancy,or duodenal gastrointestinal stromal *** review by a multidisciplinary tumor board,the patient underwent open surgical resection of a 5.2 cm×5.5 cm retroperitoneal mass with pathology consistent with moderately-differentiated *** resonance imaging(MRI)subsequently demonstrated a 1.2 cm segment VIII hepatic lesion with late arterial enhancement,fatty sparing,and intrinsic T1 *** fetoprotein was 23.3 ng/*** patient was diagnosed with HCC with portocaval nodal ***:We surveyed the literature for HCC presenting as extrahepatic masses without history of concurrent or prior intrahepatic *** identified 18 cases of extrahepatic HCC ultimately found to represent metastatic lesions,and 30 cases of extrahepatic HCC found to be primary,ectopic *** Hepatocellular carcinoma can seldomly present with extrahepatic metastasis in the setting of

关键词： Extrahepatic Metastasis Portocaval Lymph node Case report

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3D shear flows driven by Lévy noise at the boundary

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Probability, Uncertainty and Quantitative Risk 2023年第1期8卷 75-94页

作者： Wai-tong(Louis)Fan Ali Pakzad krutika Tawri Roger Temam Department of Mathematics Indiana University BloomingtonIN 47405USA Department of Mathematics California State University NorthridgeCA 91330USA Department of Mathematics University of California BerkeleyCA 94720USA

This paper is concerned with the stochastic incompressible Navier–Stokes equations in a layer of fluid between two flat no-slip *** fluid is driven by the noisy movement of the bottom boundary,where the noise is given by a Lévy *** establishing existence of a martingale solution,we use the background flow method to derive an upper bound on the turbulent energy dissipation *** estimate recovers one of the basic scaling ideas of turbulence theory,namely,that the dissipation rate is independent of the viscosity at high Reynolds number.

关键词： Existence Lévy noise Navier–Stokes equations 3D shear flows Upper bound

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