European journal of medical genetics · 2010
A positive family history of esophageal/gastric cardia cancer with gastric cardia adenocarcinoma is associated with a younger age at onset and more likely with another synchronous esophageal/gastric cardia cancer in a Chinese high-risk area.
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Wen Denggui, Shan Baoen, Wang Shijie, Zhang Liwei, Wei Lizhen, Zhou Wendi, Peng Qing
Аннотация
BACKGROUND: To find a genetic component in gastric cardia adenocarcinomas (GCA).
METHODS: Age at onset (AO) and rate of another synchronous primary upper gastrointestinal carcinoma (RASPUGIC) were compared among the three GCA groups with positive (N = 766), negative (N = 2167), and missing family history of upper gastrointestinal cancer (FHUGIC) (N = 198). These 3131 GCAs were diagnosed on 3128 primary GCA patients of a consecutive surgical cohort treated from 1973 through 1994 at the Department of Thoracic Surgery in the 4th Hospital of Hebei Medical University in a high-risk region in northern China.
RESULTS: Overall, GCAs of positive FHUGIC showed a significantly younger AO and a significantly higher RASPUGIC than the negative group (54.68 ± 7.35 vs 55.94 ± 7.47 years old, Pt-test = 0.000; 3.1% vs 1.3%, χ2 = 11.02, P = 0.001). The difference in AO and RASPUGIC between the positive and the negative FHUGIC GCAs is significant or nearly significant in most subgroups; minimizing the possibility of a false association due to bias or confounding (e.g. significant stage-specific differences in AO between familial and sporadic GCAs observed in the subgroup of T2,3N0M0 (P = 0.000) and T2,3,4N1M0 (P = 0.03) exclude the possibility of ascertainment bias towards an earlier diagnosis in familial cases), and the association between FHUGIC and RASPUGIC is statistically significant for GCAs of younger AO (<55 yr old, RASPUGIC 3.8% vs 1.6% vs 1.1% for the positive, negative and missing FHUGIC GCAs respectively, χ2 = 6.50, P = 0.04), but not significant for the later onset GCAs (≥55 yr old, RASPUGIC 2.5%, 1.1%, 1.9% for the positive, negative and missing FHUGIC respectively, χ2 = 4.22, P = 0.12).
CONCLUSION: These findings suggest a genetic component in GCA in the Chinese high-risk region, and genetic predisposition may determine the age at onset and number of primary upper gastrointestinal cancer.
METHODS: Age at onset (AO) and rate of another synchronous primary upper gastrointestinal carcinoma (RASPUGIC) were compared among the three GCA groups with positive (N = 766), negative (N = 2167), and missing family history of upper gastrointestinal cancer (FHUGIC) (N = 198). These 3131 GCAs were diagnosed on 3128 primary GCA patients of a consecutive surgical cohort treated from 1973 through 1994 at the Department of Thoracic Surgery in the 4th Hospital of Hebei Medical University in a high-risk region in northern China.
RESULTS: Overall, GCAs of positive FHUGIC showed a significantly younger AO and a significantly higher RASPUGIC than the negative group (54.68 ± 7.35 vs 55.94 ± 7.47 years old, Pt-test = 0.000; 3.1% vs 1.3%, χ2 = 11.02, P = 0.001). The difference in AO and RASPUGIC between the positive and the negative FHUGIC GCAs is significant or nearly significant in most subgroups; minimizing the possibility of a false association due to bias or confounding (e.g. significant stage-specific differences in AO between familial and sporadic GCAs observed in the subgroup of T2,3N0M0 (P = 0.000) and T2,3,4N1M0 (P = 0.03) exclude the possibility of ascertainment bias towards an earlier diagnosis in familial cases), and the association between FHUGIC and RASPUGIC is statistically significant for GCAs of younger AO (<55 yr old, RASPUGIC 3.8% vs 1.6% vs 1.1% for the positive, negative and missing FHUGIC GCAs respectively, χ2 = 6.50, P = 0.04), but not significant for the later onset GCAs (≥55 yr old, RASPUGIC 2.5%, 1.1%, 1.9% for the positive, negative and missing FHUGIC respectively, χ2 = 4.22, P = 0.12).
CONCLUSION: These findings suggest a genetic component in GCA in the Chinese high-risk region, and genetic predisposition may determine the age at onset and number of primary upper gastrointestinal cancer.