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Table 1 Initial Evaluation for Sources of Hypoglycemia

From: Severe paraneoplastic hypoglycemia in a patient with a gastrointestinal stromal tumor with an exon 9 mutation: a case report

 

Patient's Serum

Normal Range

Insulin

2 μU/mL

0–20 μU/mL

Pro Insulin

2.4 pmol/L

2.1–26.8 pmol/L

C-peptide

0.6 ng/mL

1.1–4.6 ng/mL

Cortisol

18 μg/dL

5–25 μg/dL

Chlopropamide

0 μg/mL

0 μg/mL

Tolazamide

0 μg/mL

0 μg/mL

Tolbutamine

0 μg/mL

0 μg/mL

Gyburide

0 μg/mL

0 μg/mL

Glipizide

0 μg/mL

0 μg/mL

Acetohexamide

0 μg/mL

0 μg/mL

IGF Binding Protein-3

1180 ng/mL

1237–2604 ng/mL

IGF-I

40 ng/mL

90–360 ng/mL

IGF-II

391 ng/mL

288–736 ng/mL

  1. IGF = Insulin-like growth factor