<prompt> A malignant tumor of childhood, that metastasizes to bones most often, is -Wilms tumorNeuroblastomaAdrenal gland tumorsGranulosa cell tumor of ovary  <response>: Ans. is b i.e., Neuroblastoma Metastasis present in 60-70 of children at time of diagnosis are usually to the skeleton, characteristically to the facial bones and the skull and to the bone marrow and nodes 