J Korean Med Sci.  1993 Oct;8(5):348-354. 10.3346/jkms.1993.8.5.348.

Flow cytometric DNA analysis of gastric cancer--correlation with histology and clinical outcome

• Suh KS
• Min SK

• KMID: 1422002
• DOI: http://doi.org/10.3346/jkms.1993.8.5.348

Abstract

Nuclear DNA content was analysed by means of flow cytometric measurements in 103 patients with gastric carcinomas, using paraffin-embedded archival tissue. DNA aneuploidy was found in 40 cases (38.8%). The mean DNA index of aneuploid tumors was 1.45(range 1.13 to 2.37). No significant association between ploidy and either age, sex, tumor location, size, stage, growth pattern, or histologic type was found. However, the incidence of aneuploidy was higher in high grade carcinomas than in low grade carcinomas; the incidence of aneuploidy was 10%, 68.8%, and 45.8% for Grade II, III, and IV carcinomas, respectively, as compared with Grade I carcinomas which were all diploid. On statistical analysis, Abnormal cellular DNA content was significantly correlated with high histologic grade (P<0.005). Patients with aneuploid cancer (39.2%) had a poorer prognosis than those with diploid cancer (70.0%) based on (P<0.01). The 2-year survival rate for advanced gastric carcinoma. Therefore, DNA ploidy might be a useful prognostic factor in cases of advanced gastric cancer.

Keyword

DNA content; Flow cytometry; gastric carcinomas; ploidy level

MeSH Terms

Adult
Aged
Aneuploidy
DNA, Neoplasm/*analysis
Female
*Flow Cytometry
Follow-Up Studies
Humans
Male
Middle Aged
Stomach Neoplasms/*genetics/pathology
DNA, Neoplasm