Table 3.
Main genetic alterations detectable in other pancreatic tumors
Type of pancreatic lesion
|
Genetic alteration
|
Reported frequency (%)
|
Type of alterations
|
Role in clinical practice
|
SPN | CTNNB1 | 90-100 | Point mutations | Diagnostic |
PanNET | MEN1 | 70 | Point mutations/LOH | Diagnostic/prognostic |
VHL | 25 | Point mutations/LOH | Diagnostic | |
AAC | CTNNB1 | 5-25 | Point mutationsLOF | Diagnostic |
MSI | 5-15 | LOF | Predictive? |
The percentages quoted are estimated from the literature cited in the paper. Diagnostic role appears mainly in preoperative material. SPN: Solid pseudopapillary neoplasm; PanNET: Pancreatic neuroendocrine tumor; AAC: Acinic adenocarcinoma; LOH: Loss of heterozygosity; LOF: Loss of function.