TESTICULAR FUNCTION AFTER TREATMENT FOR ACUTE LYMPHOBLASTIC LEUKEMIA (ALL) IN PREPUBERTAL AND PUBERTAL BOYS

Testicular function was evaluated in 59 male (27 prepubertal and 32 pubertal) survivors treated for ALL according to two different protocols. Serum inhibin B, FSH, testosterone, LH, and testicular volume were measured. In both groups the mean values of inhibin B were lower than control, whereas the other analyzed parameters were comparable. The inhibin B-to-FSH ratio was reduced as compared to the control. Testicular volume was lower than in healthy pubertal patients. The results show that treatment for ALL has a negative effect on spermatogenesis, regardless of the age at treatment and type of therapy.

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