Osteoblastic osteogenic sarcoma in a 35-month-old girl. Report of a case.
A girl, aged 2 years, 11 months, who had pain and swelling of the proximal humerus, was found to have osteoblastic osteogenic sarcoma of the humerus.  Among 937 consecutive patients with osteogenic sarcoma examined at the Mayo Clinic, she is the youngest child seen, as well as only the sixth child younger than 6 years of age in this series.
D000367:Age Factors; D001859:Bone Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D002675:Child, Preschool; D005260:Female; D006801:Humans; D006811:Humerus / Q000473:pathology; D009362:Neoplasm Metastasis; D012516:Osteosarcoma / Q000000981:diagnostic imaging* / Q000473:pathology; D011859:Radiography