Table 2. List of cholangiocarcinoma specimens analyzed and clinical information.
| FROZEN TISSUES | FFPE TISSUES | TGCA | |
|---|---|---|---|
| N | N | N | |
| NUMBER OF PATIENTS | 26 | 19 | 36 |
| SEX | |||
| M | 17 | 10 | 16 |
| F | 9 | 9 | 20 |
| HISTOLOGICAL TYPE | |||
| intra-hepatic | 13 | 10 | 30 |
| extra-hepatic | 13 | 8 | 6 |
| TUMOR SIZE (T) | |||
| T1 | 2 | 1 | 19 |
| T2 | 12 | 15 | 12 |
| T3 | 7 | 1 | 5 |
| T4 | 1 | 0 | |
| Unknown | 3 (biopsy) | 2 | |
| NODAL STATUS (N) | |||
| N0 | 11 | 10 | |
| N+ | 12 | 6 | |
| Unknown | 3 (biopsy) | 1 | |
| GRADING (G) | |||
| G1 | 1 | 19 | |
| G2 | 12 | 5 | 9 |
| G3 | 10 | 9 | 1 |
| G4 | 0 | 7 | |
| Unknown | 3 (biopsy) | 2 |
Frozen matched tissues were characterized for miR 204 and targets genes expression level. FFPE samples were used for studying the miR 204 expression analysis comparing cholangiocarinoma with matched un-affected biliary tract tissues. TGCA database was used to enforce our results.