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. Author manuscript; available in PMC: 2014 Apr 1.
Published in final edited form as: Pancreas. 2013 Apr;42(3):411–421. doi: 10.1097/MPA.0b013e31826cb243

Table 2.

Pancreatic endocrine tumors exhibiting strong biomarker expression

Case WHO 2004
classification
Tumor site VEGFR1 TGFBR1 PDGFRA SSTR5 SSTR2A IGF1R Hsp90 EGFR mTOR MGMT Mean EGFR
≥2.47/cell
1 2a Pancreas +b b
Liver + + + + + +

2c 2 Lymph node + + + + + +
Liver + + + + + + +

3 1.2 Pancreas + + + + +

4 2 Pancreas + + + + + + +
Lymph node + + + +
Liver + + + +

5d 2 Pancreas + + + + + +
Diaphragm

6 1.2 Pancreas

7 2 Pancreas + + + +
Liver + + + + + +

8e,f 2 Pancreas + + + +
Liver + + +

9 2 Pancreas + + + +
Lymph node + + + +

10 2 Pancreas + + +
Liver

11 2 Pancreas + + + + + +

12 2 Pancreas +
Liver +

13h1 2 Pancreas + + + + + + +
Lymph node + + + + + +
Liver + + + + + +

14 1.2 Pancreas + +

15 2 Pancreas + + + + + +
Liver + + + + + +

16 1.2 Pancreas + + + +

17 1.2 Pancreas
Lymph node + + + + + + +

18h1 1.2 Pancreas + + + + +

19 1.2 Pancreas + +

20c 2 Pancreas + + +
Lymph node + + + + +

21 1.2 Pancreas + + + + + +

22g,h1 1.1 Pancreas + + + + + +

23 1.2 Pancreas + + + + +

24h1 1.2 Pancreas + + + + +

25 1.2 Pancreas + + + + + +

26 2 Pancreas + +
Liver + + + +

27 2 Pancreas + + + +
Duodenum + + + + + +

28c 2 Liver + + + + +

29 2 Pancreas + + +
Liver + +

30 1.2 Pancreas +

31 2 Pancreas + + + + + +
Liver + + + + + +

32 2 Pancreas + +
Liver +

33g,h2 2 Pancreas + + + + +
Duodenum + + + +

34 2 Pancreas + + + + + +

35 2 Pancreas + + +

36e,h3 2 Pancreas + + +
Lymph node + + + + +
Liver + + + +

37 1.2 Pancreas + + + +

38 1.2 Pancreas + + + +

39 1.1 Pancreas + + + + + +

40 1.2 Pancreas + + +

41 1.2 Pancreas + + + + + +

42 1.2 Pancreas + + + +

43 2 Pancreas + +

44 2 Liver + + + + +
a

1.1: Well differentiated endocrine tumor with 'benign behavior'; 1.2: Well differentiated endocrine tumor with uncertain behavior; 2: Well differentiated endocrine carcinoma

b

For VEGFR1, TGFBR1, PDGFRA, SSTR5, SSTR2A, IGF1R, Hsp90, EGFR, mTOR, and MGMT “+” indicates an IHC intensity score of 3, and “−“ an IHC score < 3; for MGMT “—“ indicates a score of 0

c

Tumor(s) FISH-positive for EGFR and HER-2/neu

d–g

PET therapy prior to this instance of surgery:

d

radiation therapy,

e

somatostatin analog therapy,

f

chemotherapy, and

g

surgery

h1–h3

Functioning PET:

h1

insulinoma,

h2

gastrinoma, and

h3

glucagonoma