No abstract

High-level expression of H-Ras in neuroblastoma cells is associated with caspase cascade-independent, nonapoptotic PCD. This Ras-mediated nonapoptotic tumor cell death may play a key role in spontaneous regression of neuroblastoma.

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None of our patients showed evidence of transition from favorable to unfavorable prognosis, a finding that points to a reduction in the significance of screening as a public health measure. Until results of ongoing screening trials involving older patients have been evaluated, the observation program can be used as a temporary measure to avoid, with little risk, unnecessary surgical intervention.

No abstract