Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology · 2014
Pituitary dysfunction in adult patients after cranial irradiation for head and nasopharyngeal tumours.
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Appelman-Dijkstra Natasha M, Malgo Frank, Neelis Karen J, Coremans Ida, Biermasz Nienke R, Pereira Alberto M
Аннотация
BACKGROUND: Pituitary insufficiency after radiotherapy in the hypothalamic pituitary region is a well-known complication. However, endocrine assessments are not incorporated in the follow-up after cranial irradiation for head and neck tumours.
AIM OF THE STUDY: To evaluate pituitary function in patients cranially irradiated for non-pituitary tumours.
PATIENTS AND METHODS: Evaluation of pituitary function in all available patients treated at our centre with cranial radiotherapy for head and neck tumours.
RESULTS: We included 80 patients. Forty patients were treated for cerebral tumours, 15 for nasopharyngeal tumours, and 25 for different tumours like meningioma or cerebral metastasis. Mean age was 47.5 (18.6-89.7)years. Mean radiation dose delivered at the pituitary region was 56.27 Gy (40.0-70.0). Pituitary insufficiency was present in 16 patients within 2 years after irradiation 23/49 patients (47%) after 5 years and 27/45 (60%) after 10 years and 31/35 patients (89%) after 15 years.
CONCLUSION: Pituitary insufficiency is highly prevalent in adult patients treated with cranial radiotherapy for head and nasopharyngeal tumours. These prevalence rates are comparable to those observed after radiotherapy for pituitary tumours. Because hormone replacement of endocrine deficits improves quality of life and prevents potential severe complications, such as Addisonian crises, periodical evaluation of pituitary function is advocated.
AIM OF THE STUDY: To evaluate pituitary function in patients cranially irradiated for non-pituitary tumours.
PATIENTS AND METHODS: Evaluation of pituitary function in all available patients treated at our centre with cranial radiotherapy for head and neck tumours.
RESULTS: We included 80 patients. Forty patients were treated for cerebral tumours, 15 for nasopharyngeal tumours, and 25 for different tumours like meningioma or cerebral metastasis. Mean age was 47.5 (18.6-89.7)years. Mean radiation dose delivered at the pituitary region was 56.27 Gy (40.0-70.0). Pituitary insufficiency was present in 16 patients within 2 years after irradiation 23/49 patients (47%) after 5 years and 27/45 (60%) after 10 years and 31/35 patients (89%) after 15 years.
CONCLUSION: Pituitary insufficiency is highly prevalent in adult patients treated with cranial radiotherapy for head and nasopharyngeal tumours. These prevalence rates are comparable to those observed after radiotherapy for pituitary tumours. Because hormone replacement of endocrine deficits improves quality of life and prevents potential severe complications, such as Addisonian crises, periodical evaluation of pituitary function is advocated.