Hypothyroidism following childhood cancer therapy-an under diagnosed complication.
AuthorsBrabant, Georg E
Shalet, Stephen M
Lancashire, Emma R
Reulen, Raoul C
Winter, David L
Hawkins, Michael M
AffiliationDepartment of Endocrinology, The Christie NHS Foundation Trust, Manchester, United Kingdom. firstname.lastname@example.org.
MetadataShow full item record
AbstractTo determine the prevalence of hypothyroidism amongst most adult survivors of childhood cancer in Britain using the British Childhood Cancer Survivor Study (BCCSS). The BCCSS is a population based cohort of individuals diagnosed with childhood cancer between 1940 and 1991 and who survived at least 5 years from diagnosis (n = 17,981). 10483, 71% of those survivors aged at least 16 years, returned a completed questionnaire, which asked if hypothyroidism had been diagnosed. Of the whole cohort, 7.7% reported hypothyroidism with the highest risk among patients treated for Hodgkin's disease (HD) (19.9%), CNS neoplasms (15.3%), Non-Hodgkin's lymphoma (6.2%) and leukaemia (5.2%). Survivors were more likely to develop hypothyroidism if they had received radiotherapy for HD (p = 0.0001) or a CNS neoplasm (p < 0.00005) but not leukaemia (p = 0.3). In these three patient groups, the frequency of hypothyroidism was similar in men and women. Survivors of irradiated CNS tumours reported a prevalence of hypothyroidism, which was substantially lower if discharged to primary care compared with being on hospital follow-up and which declined substantially with increased follow-up in both primary care (p = 0.004) and hospital follow-up (p = 0.023) settings. Hypothyroidism is a common finding amongst adult survivors of childhood malignancy. The substantial differences in reported hypothyroidism prevalence after irradiated CNS neoplasms suggests substantial under-diagnosis, which increased with increased follow-up, and which increased among those followed-up in primary care compared with hospital settings.
CitationHypothyroidism following childhood cancer therapy-an under diagnosed complication. 2011,130(5):1145-50 Int J Cancer
JournalInternational Journal of Cancer
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