Critètes d'éligibilité |
DISEASE CHARACTERISTICS:
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Diagnosis of primary cancer at age 21 or younger
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No prior history of allogeneic (non-autologous) hematopoietic cell transplant
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In active follow-up by a Children's Oncology Group (COG) institution
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Date of last visit or contact by a COG institution within the past 24 months
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Case group
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Development of one of the following key adverse events after initiation of prior cancer therapy:
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Cardiac dysfunction, meeting 1 of the following criteria:
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Symptomatic cardiac dysfunction, including current or previous diagnosis of congestive heart failure based on any of the following clinical criteria:
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Pulmonary and/or peripheral edema
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Dyspnea
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Orthopnea
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Fatigue
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Hepatomegaly
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Asymptomatic cardiac dysfunction
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Ejection fraction < 40% on echocardiogram OR MUGA and/or fractional shortening < 28% on echocardiogram without clinical symptoms
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Myocardial infarction, meeting 1 of the following criteria (closed to accrual as of 6/5/06):
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Definite ECG changes
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Typical, atypical, or inadequately described symptoms AND probable ECG, AND abnormal enzymes, including creatine kinase MB
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Typical symptoms AND abnormal enzymes, including creatine kinase MB, AND ischemic ECG, non-codable ECG, or ECG not available
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Ischemic stroke, meeting the following criteria:
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Fixed neurological deficit lasting more than 24 hours
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Confirmed by CT scan or MRI within 7 days of onset of symptoms
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No subarachnoid or intracerebral hemorrhage, transient ischemic attacks, or amaurosis fugax
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Avascular necrosis, meeting the following criteria:
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Clinical symptoms of joint pain, joint stiffness, or decreased range of motion
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Confirmed by plain radiographs, CT scan, MRI, or bone scan
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Subsequent malignant neoplasm, meeting the following criteria:
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Histologically distinct neoplasm developing in patients treated for a primary cancer
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Confirmed by an institutional pathology report
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Control group
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No clinical evidence of any of the following:
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Cardiac dysfunction
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Myocardial infarction (closed to accrual as of 6/5/06)
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Ischemic stroke
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Avascular necrosis
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Subsequent malignant neoplasm
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