Gonadal function in patients treated for leukemia in childhood
Abstract
Ovarian and testicular function were assessed in 67 long-term survivors (37 females, 30 males) treated for leukemia between 1973 and 1992. At diagnosis they were 1-16 (median 5) years old and had evaluation of gonadal function 4-25 (median 13) years later at the age of 13-31 (median 19). All had been treated with various combinations of chemotherapy (ChT) (including cyclophosphamide (CYC) and cytarabine in 32 patients), 62 patients had received prophylactic cranial irradiation with 12-49 (median 18) Gy, 2 patients had had craniospinal irradiation with 24 and 10 Gy respectively. Nine patients were treated for relapse; 2 boys had testicular irradiation (RT) with 12 Gy in 3 fractions and 1 girl whole-abdomen RT with 20 Gy as a part of this treatment. Three patients were treated for second malignancies. Gonadal function was assessed by clinical examination and measurement of serum concentrations of estradiol and testosterone. Serum levels of LH and FSH were determined in basal state and after stimulation. Primary hypogonadism was found in 6 (9%) patients. Five (16,5%) males had primary hypogonadism with evidence of damage to the germinal epithelium, 2 of them, treated with testicular RT, had evidence of damage to the Leydig cells a...Continue Reading
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