Glucose-Responsive Insulinoma in a Patient with Postprandial Hypoglycemia in the Morning

被引：14

作者：

Iida, Keiji ^{[1
]}

Ohara, Takeshi ^{[1
]}

Hino, Yasuhisa ^{[1
]}

Nobuhara, Masahide ^{[2
]}

Ishida, Jun ^{[2
]}

Chihara, Kazuo ^{[1
]}

机构：

[1] Hyogo Prefectural Kakogawa Med Ctr, Div Diabet & Endocrinol, Kakogawa, Hyogo, Japan

[2] Hyogo Prefectural Kakogawa Med Ctr, Div Radiol, Kakogawa, Hyogo, Japan

来源：

INTERNAL MEDICINE | 2010年 / 49卷 / 19期

关键词：

insulinoma; hypoglycemia; postprandial; glucose; FUNCTIONING INSULINOMA; SECRETION;

D O I：

10.2169/internalmedicine.49.3854

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

We report the case of an obese 79-year-old woman who experienced postprandial hypoglycemia in the morning. The serum immunoreactive insulin (IRI) and C-peptide levels responded in parallel with her serum glucose level during a 75-g oral glucose tolerance test. A prolonged fast test lowered her serum glucose level to 30 mg/dL, but serum IRI was not fully suppressed. Abdominal computed tomography revealed a tumor in the uncinate process of the pancreas. The tumor was histologically diagnosed as benign insulinoma after surgery. Therefore, glucose-responsive insulinoma as well as reactive hypoglycemia should be considered in patients who exhibit postprandial hypoglycemia.

引用

页码：2123 / 2127

页数：5

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