Second thyroid neoplasms after prophylactic cranial irradiation for acute lymphoblastic leukemia
โ Scribed by Perel, Yves; Leverger, Guy; Carrere, Anne; Caudry, Michel; Garabedian, Erea Noel; Ansoborlo, Sophie; Vergnes, Pierre
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 25 KB
- Volume
- 59
- Category
- Article
- ISSN
- 0361-8609
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โฆ Synopsis
An understanding of the pathogenesis of second cancers may help in their prevention. We report on two children who were treated for acute lymphoblastic leukemia (ALL), with an exclusively cranial prophylactic irradiation (18 Gy) and who presented with a thyroid carcinoma (TC) 12 and 13 years later. From a thorough review of the literature of TC after ALL and of radiation-induced TC, a strong case can be made that these tumors are caused by late effects of scattered radiation. The risk is at its highest in small children. After cranial irradiation, patients require clinical monitoring of the thyroid and cervical area for nodules, continued indefinitely. We suggest that, in most cases, an alternative form of neuromeningeal prophylaxis should be offered in small children with ALL.
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It is well known that prophylactic cranial irradiation is highly effective in preventing central nervous system (CNS) relapse of acute lymphoblastic leukemia (ALL). Nevertheless, there have been very few reports on the late effects, especially pituitary function and growth, in long-term survivors wh
A child was diagnosed in 1969 as having acute lymphoblastic leukaemia (ALL) and received chemotherapy. On bone marrow relapse in 1973, he was treated with cranial irradiation (20 Gy) in addition to chemotherapy. He continues in complete remission 19 years after his relapse. At age 25 years, he prese