Malignant haemangio-endothelioma in children.
D002648:Child; D002675:Child, Preschool; D005153:Facial Neoplasms; D006258:Head and Neck Neoplasms; D006390:Hemangioendothelioma; D006801:Humans; D007223:Infant; D008297:Male; D009362:Neoplasm Metastasis; D012445:Sacrococcygeal Region