Letters To The Editor
Copyright ©The Author(s) 2005.
World J Gastroenterol. Jul 14, 2005; 11(26): 4124-4126
Published online Jul 14, 2005. doi: 10.3748/wjg.v11.i26.4124
Table 1 Definition of Li-Fraumeni syndrome and familial gastric cancer subtypes (familial gastric cancer, hereditary diffuse gastric cancer, and familial intestinal gastric cancer)
Hereditary cancerDefinitionReference
1Li-Fraumeni syndrome (LFS)A proband with a sarcoma under 45 yr8
Plus 1st degree relative under 45 yr with any cancer
Plus an additional 1st or 2nd degree relative in the same lineage with
any cancer aged under 45 yr or sarcoma at any age
2Familial gastric cancer (FGC)At least two gastric cancer patients within 1st degree relatives6
and one patient diagnosed before the age of 50
2-(1)Hereditary diffuse gastric cancer (HDGC)(1) Two or more diffuse gastric cancer patients in 1st or 2nd degree relatives,15
with at least one diagnosed before the age of 50
(2) Three or more diffuse gastric cancer patients in 1st or 2nd degree relatives,
indepently of age of onset
2-(2)Familail intestinal gastric cancer (FIGC)At least three relatives should have intestinal gastric cancer and one of them15
should be a 1st degree relative of the other two
Plus at least two successive generations should be affected plus in one of the relatives, gastric cancer shoul be diagnosed before the age of 50