Cited by 24Pancreatic function and diabetesNeuroendocrine Tumor Research AdvancesDiabetes and associated disorders

Noninsulinoma Pancreatogenous Hypoglycemia Syndrome: A Rare Case of Adult-onset Nesidioblastosis

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TSUJINO, Motoyoshi, SUGIYAMA, Toru, NISHIDA, Kenji, TAKADA, Yukari, TAKANISHI, Kijuro, ISHIZAWA, Mitugu, HIRATA, Yukio·2005·Internal Medicine

Abstract

The most common cause of hyperinsulinemic hypoglycemia in adults is insulinoma. Nesidioblastosis is a rare, but well-recognized disorder of persistent hyperinsulinemic hypoglycemia in infancy, but adult-onset nesidioblastosis associated with hyperinsulinemic hypoglycemia, termed noninsulinoma pancreatogenous hypoglycemic syndrome (NIPHS), has been reported. Here, we describe an extremely rare case of NIPHS in an elderly man. A 78-year-old man was admitted to our hospital due to hypoglycemic coma. During the previous 3 months, he noticed excessive sweating at midafternoon. His low fasting plasma glucose level (27 mg/dl) and high immunoreactive insulin level (11.1 muU/ml) were consistent with the possible presence of insulinoma. Localizing studies including computed tomography of the abdomen and celiac arteriography were negative, but selective arterial calcium infusion (SACI) test suggested the presence of insulinoma in the body and tail of the pancreas. Surgical exploration by palpation and intraoperative ultrasonography failed to detect any mass in the pancreas, and 60% distal pancreatectomy was performed. Postoperatively, his hypoglycemic episodes completely disappeared. Histological examination of the resected pancreas revealed diffuse islet cell hyperplasia consistent with a pathological diagnosis of nesidioblastosis. Thus, our case is a very rare case of NIPHS, or adult-onset nesidioblastosis, in which SACI test was proven to be a useful diagnostic tool for localization of the pancreatic lesion.

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  1. Marks V, Rose FC. Hypoglycemia. 2nd ed. Blackwell, Oxford, 1981.

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Authors
TSUJINO, M., SUGIYAMA, T., NISHIDA, K., TAKADA, Y., TAKANISHI, K., ISHIZAWA, M., & HIRATA, Y.
Affiliations
  • Fuchu Hospital (JP)
  • Tokyo Medical and Dental University (JP)
Venue
Internal Medicine
Published
2005
Volume
44
Issue
8
Pages
843-847
ISSN
  • 0918-2918 (ISSN-L)
  • 1349-7235
OpenAlex
W2012566547
Cited by
24
References
18
Citations by year
2024: 1 · 2023: 4 · 2021: 2 · 2019: 1 · 2014: 1 · 2012: 1
FWCI
1.26
Type
journal article
Language
en
Open access
Locations
  • Internal Medicine (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
  • Health Sciences › Medicine › Epidemiology › Neuroendocrine Tumor Research Advances
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Diabetes and associated disorders
Keywords
hyperinsulinemic hypoglycemia, insulinoma, islet hyperplasia, distal pancreatectomy, hypoglycemic coma, elderly patients
MeSH terms
Aged, Calcium Gluconate, Glucagon, Humans, Hypoglycemia, Insulin, Insulinoma, Male, Pancreatic Neoplasms, Somatostatin, Syndrome, Age of Onset, Nesidioblastosis

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