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Childhood Acute Myeloid Leukemia/Other Myeloid Malignancies Treatment (PDQ®): Treatment - Health Professional Information [NCI] - Survivorship and Adverse Late Sequelae


In a review from one institution, the highest frequency of adverse long-term sequelae for children treated for AML included the following incidence rates: growth abnormalities (51%), neurocognitive abnormalities (30%), transfusion-acquired hepatitis (28%), infertility (25%), endocrinopathies (16%), restrictive lung disease (20%), chronic graft-versus-host disease (20%), secondary malignancies (14%), and cataracts (12%).[9] Most of these adverse sequelae are the consequence of myeloablative, allogeneic HSCT. Although cardiac abnormalities were reported in 8% of patients, this is an issue that may be particularly relevant with the current use of increased anthracyclines in clinical trials for children with newly diagnosed AML. Another study examined outcomes for children younger than 3 years with AML or acute lymphoblastic leukemia (ALL) who underwent HSCT.[10] The toxicities reported include growth hormone deficiency (59%), dyslipidemias (59%), hypothyroidism (35%), osteochondromas (24%), and decreased bone mineral density (24%). Two of the 33 patients developed secondary malignancies. Of note, survivors had average intelligence but frequent attention-deficit problems and fine-movement abnormalities, compared with population controls. In contrast, The Bone Marrow Transplant Survivor Study compared childhood AML or ALL survivors with siblings using a self-reporting questionnaire.[11] The median follow-up was 8.4 years and 86% of patients received total-body irradiation (TBI) as part of their preparative transplant regimen. Survivors of leukemia who received an HSCT had significantly higher frequencies of several adverse effects, including diabetes, hypothyroidism, osteoporosis, cataracts, osteonecrosis, exercise-induced shortness of breath, neurosensory impairments and problems with balance, tremor, and weakness than siblings. The overall assessment of health was significantly decreased in survivors compared with siblings (odds ratio = 2.2; P = .03). Significant differences were not observed between regimens using TBI compared with chemotherapy only, which mostly included busulfan. The outcomes were similar for patients with AML and ALL, suggesting that the primary cause underlying the adverse late effects was undergoing an HSCT.

A population-based study of survivors of childhood AML who had not undergone an HSCT reported equivalent rates of educational achievement, employment, and marital status compared with siblings. AML survivors were, however, significantly more likely to be receiving prescription drugs, especially for asthma, compared with siblings (23% vs. 9%; P = .03). Chronic fatigue has also been demonstrated to be a significantly more likely adverse late effect in survivors of childhood AML than in survivors of other malignancies.[12]

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