Table 2 Immunohistochemical scoring (IHS) of the expression of M2-PK in malignant and benign pancreatic tissue microarrays.
TISSUE (n) | IMMUNOHISTOCHEMICAL SCORE [n (%)] | ||||||
|---|---|---|---|---|---|---|---|
| Â | 0 | 1 | 2-3 | 4-5 | 6-7 | 8-9 | 10-12 |
Pancreatic ductal adenocarcinoma (44) | 44 (100) | Â | Â | Â | Â | Â | Â |
   Tumour in lymph nodes (26) | 26 (100) |  |  |  |  |  |  |
   Chronic pancreatitis (36) |  | 2 (6) | 30 (83) | 4 (11) |  |  |  |
   Normal pancreas (8) |  |  | 7 (87.5) |  |  | 1(12.5) |  |
Ampullary adenocarcinoma (31) | 31 (100) | Â | Â | Â | Â | Â | Â |
   Tumour in lymph nodes (20) | 20 (100) |  |  |  |  |  |  |
   Chronic pancreatitis (26) | 9 (34.6) |  | 6 (23) | 7 (27) |  | 4 (15.4) | 9 (34.6) |
   Normal pancreas (8) |  |  |  | 2 (25) | 4(50) | 1 (12.5) | 1 (12.5) |
Cholangiocarcinoma (24) | 24 (100) | Â | Â | Â | Â | Â | Â |
   Tumour in lymph nodes (12) | 12(100) |  |  |  |  |  |  |
   Chronic pancreatitis (11) |  | 2 (18.1) | 5 (45.5) | 4 (36.4) |  |  |  |
   Normal pancreas (11) |  |  | 5 (45.5) | 5 (45.5) | 1 (9) |  |  |
Duodenal adenocarcinoma (5) | 5 (100) | Â | Â | Â | Â | Â | Â |
   Tumour in lymph nodes (3) | 3 (100) |  |  |  |  |  |  |
   Chronic pancreatitis (5) |  |  | 4 (80) |  | 1 (20) |  |  |
   Normal pancreas (1) |  |  |  | 1 (100) |  |  |  |
Chronic pancreatitis (22) | Â | 12 (54.5) | Â | 8 (36.5) | 2 (9) | Â | Â |
   Normal pancreas around pancreatitis (2) |  |  |  | 1 (50) | 1 (50) |  |  |