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Insulinoma Presenting with Reactive Hypoglycemia: Evaluating the Effect of Tumor Resection via Continuous Glucose Monitoring

A 71-year-old woman previously diagnosed with reactive hypoglycemia was transferred to our emergency unit because of loss of consciousness. Her plasma glucose level was 27 mg/dL, and continuous glucose monitoring (CGM) revealed postprandial asymptomatic hypoglycemia. A hypervascular tumor was identi...

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Published in:	Internal Medicine 2017/11/15, Vol.56(22), pp.3067-3071
Main Authors:	Kikuchi, Tomohiko, Chujo, Daisuke, Takahashi, Kazuhisa, Takahashi, Nobuyuki, Tanno, Yuuki, Tonoike, Mie, Ihana, Noriko, Tsujimoto, Tetsuro, Tanabe, Akiyo, Kajio, Hiroshi
Format:	Article
Language:	English
Subjects:	Calcium Case Report Computed tomography continuous glucose monitoring Glucose Glucose monitoring Hypoglycemia Insulinoma Internal medicine Metastases metastasis Pancreas postprandial hypoglycemia
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creator	Kikuchi, Tomohiko Chujo, Daisuke Takahashi, Kazuhisa Takahashi, Nobuyuki Tanno, Yuuki Tonoike, Mie Ihana, Noriko Tsujimoto, Tetsuro Tanabe, Akiyo Kajio, Hiroshi
description	A 71-year-old woman previously diagnosed with reactive hypoglycemia was transferred to our emergency unit because of loss of consciousness. Her plasma glucose level was 27 mg/dL, and continuous glucose monitoring (CGM) revealed postprandial asymptomatic hypoglycemia. A hypervascular tumor was identified via computed tomography in the distal pancreas, and the diagnosis of insulinoma was confirmed using the selective arterial calcium stimulation test. Although no episodes of hypoglycemia were observed during CGM after resection, a pathological examination identified regional lymph node metastasis. It is important to consider insulinoma as a cause of postprandial hypoglycemia, and CGM is useful for evaluating treatment outcomes.
doi_str_mv	10.2169/internalmedicine.8766-16
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Med.</addtitle><description>A 71-year-old woman previously diagnosed with reactive hypoglycemia was transferred to our emergency unit because of loss of consciousness. Her plasma glucose level was 27 mg/dL, and continuous glucose monitoring (CGM) revealed postprandial asymptomatic hypoglycemia. A hypervascular tumor was identified via computed tomography in the distal pancreas, and the diagnosis of insulinoma was confirmed using the selective arterial calcium stimulation test. Although no episodes of hypoglycemia were observed during CGM after resection, a pathological examination identified regional lymph node metastasis. 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subjects	Calcium Case Report Computed tomography continuous glucose monitoring Glucose Glucose monitoring Hypoglycemia Insulinoma Internal medicine Metastases metastasis Pancreas postprandial hypoglycemia
title	Insulinoma Presenting with Reactive Hypoglycemia: Evaluating the Effect of Tumor Resection via Continuous Glucose Monitoring
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