title: Osteogenic sarcoma developing after radiotherapy for retinoblastoma.
mesh_terms: D000293:Adolescent; D000328:Adult; D001706:Biopsy; D001859:Bone Neoplasms / Q000209:etiology*; D002648:Child; D002675:Child, Preschool; D005004:Ethmoid Bone / Q000000981:diagnostic imaging*; D005134:Eye Neoplasms / Q000532:radiotherapy*; D005260:Female; D005624:Frontal Bone; D006801:Humans; D007223:Infant; D009381:Neoplasms, Radiation-Induced; D012516:Osteosarcoma / Q000209:etiology*; D011859:Radiography; D011878:Radiotherapy / Q000009:adverse effects; D011879:Radiotherapy Dosage; D012175:Retinoblastoma / Q000532:radiotherapy*; D013997:Time Factors