Adult height and age at menarche in childhood cancer survivors

The aim of this study was to assess the long-term effects of cancer treatme nts on adult height and age at menarche in survivors of various types of ch ildhood cancer, 285 childhood cancer survivors (161 men and 124 women), at least 18 years old and having been off treatment for at least 5 years, were examined. The effects of cranial (CrRT) and craniospinal irradiation (CrSp RT), other treatments and age at diagnosis on adult height and age at menar che were investigated, patients who did not receive CrRT or CrSpRT, reached normal adult heights. However, a significant reduction in adult height was observed in men and women treated with CrRT or CrSpRT, especially if the t reatment was given at the age of 8 years or younger. In girls, CrRT resulte d in 3 significantly earlier menarche, compared with the Dutch population. Chemotherapy, radiation dose and age at menarche did nut affect adult heigh t. The relative risk (RR) of attaining an adult height below the 3rd percen tile (20% 49/244) of the study population) was 6 times increased (RR = 6.4; 95% confidence interval (CI) 1.46-28.52) after CrSpRT, 4 times (RR=4.2, 95 % CI 1.81-9.63) after Crth and 5 times (RR = 51; 95% CI 2.23-11.59) when ir radiation was administered at the age of 8 years or younger. CrRT and CrSpR T and age at treatment are the main determinants of short stature in male a nd female childhood cancer survivors. (C) 2001 Elsevier Science Ltd. All ri ghts reserved.