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Radiother Oncol. 1987 Jun;9(2):131-5.

Late effects of total body irradiation.


Late effects of chemo-radiotherapy conditioning before bone marrow transplantation (BMT) are being increasingly recognised in long-term survivors, particularly children. They can be divided into two categories: those affecting hormonal status and those affecting specific organ function. All women treated develop ovarian failure with low levels of beta-oestradiol and raised values of follicle-stimulating hormone (FSH) and luteinizing hormone (LH). In males, raised FSH and LH values are found with normal testosterone levels but most patients have azoospermia. In children, puberty is usually but not invariably delayed by treatment but can be induced by appropriate hormone replacement. Compensated hypothyroidism was found in 6/30 children. Growth hormone secretion may be impaired especially if previous cranial irradiation has been given. In children, a reduction in sitting height has been observed. Cataract has occurred in 20% of children between 3 and 6 years after treatment. Two second tumours have been observed. No other major organ toxicities have been encountered.

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