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Pathologic pancreatic endocrine cell hyperplasia

World Journal of Gastroenterology 2011年第2期17卷 137-143页

作者： Debra Ouyang deepti dhall Run Yu Department of Medicine Cedars-Sinai Medi-cal Center Los Angeles CA 90048 United States Department of Pathology Cedars-Sinai MedicalCenter Los Angeles CA 90048 United States Division of Endocrinology and Carcinoid and Neu-roendocrine Tumor Center Cedars-Sinai Medical Center LosAngeles CA 90048 United States

Pathologic hyperplasia of various pancreatic endocrine cells is rare but has been long known.β cell hyperplasia contributes to persistent hyperinsulinemic hypoglycemia of infancy,which is commonly caused by mutations in the islet ATP-sensitive potassium channel,and to noninsulinoma pancreatogenous hypoglycemia in adults,which may or may not be associated with bariatric surgery.α cell hyperplasia may cause glucagonoma syndrome or induce pancreatic neuroendocrine *** inactivating mutation of the glucagon receptor causes α cell hyperplasia and asymptomatic *** polypeptide cell hyperplasia has been described without a clearly-characterized clinical syndrome and hyperplasia of other endocrine cells inside the pancreas has not been reported to our knowledge. Based on morphological evidence,the main pathogenetic mechanism for pancreatic endocrine cell hyperplasia is increased endocrine cell neogenesis from exocrine ductal *** endocrine cell hyperplasia should be considered in the diagnosis and management of hypoglycemia,elevated islet hormone levels,and pancreatic neuroendocrine *** studies of pathologic pancreatic endocrine cell hyperplasia will likely yield insights into the pathogenesis and treatment of diabetes and pancreatic neuroendocrine tumors.

关键词： Glucagon receptor Hyperplasia Nesidioblastosis Islet Pancreatic endocrine cell Neuroendocrine tumor

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A Case of mild idiopathic adulthood ductopenia and brief review of literature

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Gastroenterology Report 2015年第2期3卷 167-169页

作者： Aung Kaung Vinay Sundaram deepti dhall Tram T.Tran Department of Medicine Cedars-Sinai Medical CenterLos AngelesCAUSA Center for Liver Disease and Transplantation Cedars-Sinai Medical CenterLos AngelesCAUSA Department of Pathology Cedars-Sinai Medical CenterLos AngelesCAUSA

Mild idiopathic adulthood ductopenia(IAD)is a rare cholestatic disease of unknown cause and characterized by interlobular bile duct loss in less than 50%of the portal *** describe the case of a middLe-aged male who presented with persistent elevation of transaminases and alkaline *** had a normal biliary tree on endoscopic retrograde cholangiopathy and negative anti-mitochondrial *** liver biopsy specimen showed chronic biliary disease,duct loss in 4 out of 15 portal tracts and prominent *** on the work-up,he likely had mild *** transplantation would be necessary if his disease becomes progressive.

关键词： idiopathic adulthood ductopenia idiopathic cholestasis primary biliary cirrhosis small-duct primary sclerosing cholangitis

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Interaction between tumor stage and age on survival outcomes of patients with anaplastic thyroid cancer

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World Journal of Experimental Medicine 2024年第3期14卷 90-100页

作者： Ayrton I Bangolo Auda Auda John Bukasa-Kakamba Nayan Bhakta Shraboni Dey Anupriya lilhori Gowry Reddy Budoor Alqinai Aman Sidiqui Imranjot Sekhon Barbare Khatiashvili Iqra Abbas Sandra Kunnel Amer Jarri Emelyn Martinez Deborah Daoud Ishita Gupta Harshini Gompa Silvanna Pender Dana Aljaberi Hamed Aljanaahi Sandra S Kunnel Yingxia Xiao Yoontae Jung Sneha Nagpaul Afshan Naz Tejaswee Mallela Phyo Maung Maung Ibtihal Y Khalaf Soobee Kim Roua Alrestom Aditya Gajera Hiba Alkealy deepti Kansal Sonam dhall Sanya Satheesha Simcha Weissman Pierre Fwelo Department of Internal Medicine Palisades Medical CenterNorth BergenNJ 07047United States Department of Medicine Palisades Medical CenterNorth BergenNJ 07047United States Department of Endocrine and Metabolic Disorders University of KinshasaKinshasa KinshasaCongo Department of Epidemiology Human Geneticsand Environmental SciencesUTHealth School of Public HealthHoustonTX 77030United States

BACKGROUND Anaplastic thyroid cancer(ATC)is an aggressive,rare malignancy associated with rapid growth and metastasis,and a very poor *** investigated the clinical characteristics,survival outcomes and independent prognostic factors associated with anaplastic thyroid *** To assess to what extent the interaction between age and tumor stage affects *** A total of 622 patients diagnosed with anaplastic thyroid cancer,between 2010 and 2017 were enrolled in our study by retrieving data from the Surveillance,Epidemiology and End Results(SEER)*** analyzed demographics,clinical characteristics,overall mortality(OM)and cancer specific mortality(CSM)of *** with a P value<0.1 were incorporated into the multivariate cox model to determine the independent prognostic ***,we analyzed the interaction between age and tumor stage on *** In the multivariate analyses,the divorced/separated population had a lower OM[hazard ratio(HR)=0.63,95%CI:0.42-0.94,P<0.05]and CSM(HR=0.61,95%CI:0.40-0.92,P<0.05).OM was higher in tumors with direct extension only(HR=6.26,95%CI:1.29-30.42,P<0.05)and tumors with distant spread(HR=5.73,95%CI:1.34-24.51,P<0.05).CSM was also higher in tumors with direct extension(HR=5.05,95%CI:1.05-24.19,P<0.05)and tumors with distant spread(HR=4.57,95%CI:1.08-19.29,P<0.05).Mortality was not adversely affected by lymph node *** was lower in patients who received radiation(HR=0.66,95%CI:0.53-0.83,P<0.01),chemotherapy(HR=0.63,95%CI:0.50-0.79,P<0.01)or surgery(HR=0.53,95%CI:0.43-0.66,P<0.01).CSM was also lower in patient who received radiation(HR=0.64,95%CI:0.51-0.81,P<0.01),chemotherapy(HR=0.62,95%CI:0.50-0.78,P<0.01)or surgery(HR=0.51,95%CI:0.41-0.63,P<0.01).There was no significant interaction between age and tumor stage that affected *** In this large US SEER database retrospective study,we found the mortality to be higher in advanced stage tumors with direct extensi

关键词： Undifferentiated thyroid cancer Survival outcome Prognosis Metastasis Clinical trials Interaction

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