Age, Median (IQR)

41 (18 -80)

Gender, n (%)

Male

Female

2 (40)

3 (60)

Duration of symptoms before resection

(months) (IQR)

24 (6 – 60)

Symptomatic hypoglycemia

Neurological symptoms

5 (100)

3 (60)

Blood Glucose levels fasting (mg/dl) IQR

27 (24-40)

Insulin levels μU/mL (IQR)

29 (25-38)

72- hour fasting test n (%) (performed in

Four patients only)

4 (100)

C-Peptide levels ng/ml (IQR)

8.43 (1.74 -9.65)

Localization of lesion in pancreas, n (%)

Uncinate

Body

Tail

1(20)

1 (20)

3 (60)

Maximum dimension of tumor cm

<2cm

>2cm

4 (80)

1 (20)

Focality

Unifocal

Multifocal

5(100)

0 (0%)

Metastasis at presentation, n (%)

0 (0)

Ki – 67 index

<2%

2-20%

>20%

4 (80)

1 (20)

0 (0)

Synaptophysin n (%)

Chromogranin n (%)

5 (100)

4 (80)