Table 1

Explanation of used criteria

BethesdaCriteria
Positive1Fulfilling the Amsterdam II criteria
2Solitary patient with CRCa and a HNPCC-related cancer
3Patient with CRC and a FDR with a HNPCC-related cancer, one of the cancers diagnosed age < 45 yrs
4Solitary patient with CRC diagnosed at age < 45 yrs
Negative5Solitary patient with CRC diagnosed at age 45–50 yrs
6Patient with CRC and a FDR with a HNPCC-related cancer, one of the cancers diagnosed at age 45–50 yrs
7Late-onset family: patient with CRC and two FDRs with a HNPCC-related cancer, both cancers diagnosed at age > 50 yrs
8Patient with CRC and a FDR with a HNPCC-related cancer, both cancers diagnosed at age > 50 yrs
  • a CRC, colorectal cancer; HNPCC, hereditary nonpolyposis colorectal carcinoma; FDR, first-degree relative.