Table 3. KRAS mutation analysis of endoscopic ultrasound-guided fine needle aspiration specimens.
| Codon | Point mutation | Number of patients (%) | |
|---|---|---|---|
| Codon 12 | GGT (Gly) | GAT (Asp) | 39 |
| GTT (Val) | 22 (4)+ | ||
| CGT (Arg) | 4 (3)+ | ||
| AGT (Ser) | 0 | ||
| TGT (Cys) | 0 | ||
| GCT (Ala) | 9 (7)+ | ||
| Codon 13 | GGC (Gly) | GAC (Asp) | 0 |
| 60 Total* |
*KRAS mutations: 58: pancreatic ductal adenocarcinomas, 2: other malignancies (Ampulla of Vater adenoma high grade and pancreatic neuroendocrine carcinoma).
+ Numbers in parenthesis indicate patients with more than 1 KRAS mutations.