Objective To explore the value of T lymphocyte subsets in rectal cancer treated with short-course preoperative radiotherapy.Methods 102 patients with rectal cancer underwent surgery(n=52) or preoperative radiotherap...Objective To explore the value of T lymphocyte subsets in rectal cancer treated with short-course preoperative radiotherapy.Methods 102 patients with rectal cancer underwent surgery(n=52) or preoperative radiotherapy(n=50).Blood samples were taken before radiotherapy,operation,and on day 14 after surgery.T lymphocyte subsets in peripheral blood were detected by flow cytometry,and controlled with 40 health volunteers.Results CD3+,CD4+cells and the rate of CD4+/CD8+ were decreased and CD8+ cells were increased in radiotherapy patients compared to control group(P<0.05);The T lymphocyte subsets in preoperative radiotherapy group were not different between preoperation and postoperation The recovery of T lymphocyte subsets were not significantly different in two groups(P>0.05).Conclusion Short course of preoperative radiotherapy does not affect immune function in rectal cancer patients.展开更多
文摘Objective To explore the value of T lymphocyte subsets in rectal cancer treated with short-course preoperative radiotherapy.Methods 102 patients with rectal cancer underwent surgery(n=52) or preoperative radiotherapy(n=50).Blood samples were taken before radiotherapy,operation,and on day 14 after surgery.T lymphocyte subsets in peripheral blood were detected by flow cytometry,and controlled with 40 health volunteers.Results CD3+,CD4+cells and the rate of CD4+/CD8+ were decreased and CD8+ cells were increased in radiotherapy patients compared to control group(P<0.05);The T lymphocyte subsets in preoperative radiotherapy group were not different between preoperation and postoperation The recovery of T lymphocyte subsets were not significantly different in two groups(P>0.05).Conclusion Short course of preoperative radiotherapy does not affect immune function in rectal cancer patients.