Variation of serum ferrin, folic acid and vitamin B_(12) levels in patients with acute promyelocytic leukemia / 肿瘤

ABSTRACT

Objective:To observe the dynamic variation of serum ferritin (SF), folic acid, and vitamin B_(12) levels in patients with acute promyelocytic leukemia (APL) at different disease stages. Methods:Serum SF, folic acid and vitamin B_(12) levels were successively tested in thirty-six patients with primary APL every 1 to 3 months by using chemiluminescence analysis. Five different disease stages were selected as dynamic observation time points first diagnosed, first complete remission (CR1), six months after CR1, relapsed stage,and CR1 for three years. Results:There were 75.0%(27/36)of patients with abnormal high levels of SF, 77.8% (28/36)of patients with abnormal low levels of folic acid, and 100%(36/36)of patients with increased vitamin B_(12) levels in first diagnosed stage. The number of patients with abnormal variations of SF, folic acid and vitamin B_(12) level was decreased in CR1 stage compared with those in first diagnosed stage (SF P0.05). The serum SF, folic acid and vitamin B_(12) levels were in normal ranges in the patients who had 3-year CR. Conclusion:The serum SF, folic acid and vitamin B_(12) levels had dynamic variation in APL course. Increase in serum SF and vitamin B_(12) as well as decrease in folic acid are related with the active degree of APL and its tumor load.