Functional Localization of Adult-Onset Idiopathic Nesidioblastosis

Nesidioblastosis is a rare pancreatic disorder involving enlarged beta cells throughout the pancreas, causing elevated insulin production. We present the case of a 53-year-old woman with the initial symptom of fasting hypoglycemia. No pancreatic lesions were indicated on computed tomography and magn...

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Main Authors: Jess C. Hercus, Pouneh Pasha, Sadiq Al Lawati, Peter Kim, Andre Mattman, Douglas Webber, David M. Thompson
Format: Article
Language:English
Published: Wiley 2022-01-01
Series:Case Reports in Endocrinology
Online Access:http://dx.doi.org/10.1155/2022/2802975
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author Jess C. Hercus
Pouneh Pasha
Sadiq Al Lawati
Peter Kim
Andre Mattman
Douglas Webber
David M. Thompson
author_facet Jess C. Hercus
Pouneh Pasha
Sadiq Al Lawati
Peter Kim
Andre Mattman
Douglas Webber
David M. Thompson
author_sort Jess C. Hercus
collection DOAJ
description Nesidioblastosis is a rare pancreatic disorder involving enlarged beta cells throughout the pancreas, causing elevated insulin production. We present the case of a 53-year-old woman with the initial symptom of fasting hypoglycemia. No pancreatic lesions were indicated on computed tomography and magnetic resonance imaging scans, and an octreotide scan was negative for insulinoma. Selective arterial calcium stimulation (SACST) showed increased insulin production from the stimulation of 3 out of 5 arteries. The SACST results suggested a diagnosis of nesidioblastosis, which was confirmed by histopathology after a subtotal distal pancreatectomy. The patient has normal glucose tolerance after surgery with no further problems of hypoglycemia, indicating that this is a rare case of nesidioblastosis extending only partially through the pancreas.
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spelling doaj-art-f5b2a25216b0462c850e88fb8d565b5c2025-02-03T06:12:57ZengWileyCase Reports in Endocrinology2090-651X2022-01-01202210.1155/2022/2802975Functional Localization of Adult-Onset Idiopathic NesidioblastosisJess C. Hercus0Pouneh Pasha1Sadiq Al Lawati2Peter Kim3Andre Mattman4Douglas Webber5David M. Thompson6Department of Biological SciencesDivision of Internal MedicineDivision of EndocrinologyDivision of General SurgeryDivision of Pathology and Laboratory MedicineDivision of Pathology and Laboratory MedicineDivision of EndocrinologyNesidioblastosis is a rare pancreatic disorder involving enlarged beta cells throughout the pancreas, causing elevated insulin production. We present the case of a 53-year-old woman with the initial symptom of fasting hypoglycemia. No pancreatic lesions were indicated on computed tomography and magnetic resonance imaging scans, and an octreotide scan was negative for insulinoma. Selective arterial calcium stimulation (SACST) showed increased insulin production from the stimulation of 3 out of 5 arteries. The SACST results suggested a diagnosis of nesidioblastosis, which was confirmed by histopathology after a subtotal distal pancreatectomy. The patient has normal glucose tolerance after surgery with no further problems of hypoglycemia, indicating that this is a rare case of nesidioblastosis extending only partially through the pancreas.http://dx.doi.org/10.1155/2022/2802975
spellingShingle Jess C. Hercus
Pouneh Pasha
Sadiq Al Lawati
Peter Kim
Andre Mattman
Douglas Webber
David M. Thompson
Functional Localization of Adult-Onset Idiopathic Nesidioblastosis
Case Reports in Endocrinology
title Functional Localization of Adult-Onset Idiopathic Nesidioblastosis
title_full Functional Localization of Adult-Onset Idiopathic Nesidioblastosis
title_fullStr Functional Localization of Adult-Onset Idiopathic Nesidioblastosis
title_full_unstemmed Functional Localization of Adult-Onset Idiopathic Nesidioblastosis
title_short Functional Localization of Adult-Onset Idiopathic Nesidioblastosis
title_sort functional localization of adult onset idiopathic nesidioblastosis
url http://dx.doi.org/10.1155/2022/2802975
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