![]() ![]() It is therefore imperative that clinicians recognize osteosarcoma early to make an accurate diagnosis and complete surgical resection followed by combined chemo-radiation is proved to be one of the most optimal treatment regimens.Ĭopyright © 2017 The Authors. The patient received 3 surgeries and adjuvant chemotherapy and radiotherapy for the frontal bone lesion.Īt the last follow-up, after 4 years, the patient was free of disease both clinically and on imaging by magnetic resonance imaging (MRI) scan after 4 years.īecause osteosarcoma of skull is a rare disease, the early recognition and correct diagnosis are very important for a better prognosis. The histological examination of the lesion showed typical features of osteosarcoma. Prior to the accurate diagnosis, the mass on her skull was considered to be eosinophilic granuloma.Ĭomputerized tomogram (CT) scan of skull revealed a lytic lesion causing destruction of left frontal bone with surrounding soft tissue mass. Primary osteosarcomas of the skull are aggressive neoplasms composed of spindle cells producing osteoid which have poor outcome.Ī 33-year-old woman was admitted to our hospital with a major complaint of a growing mass on her left frontal region of the skull for 10 months. Identify the region on the temporal bone that forms much of the zygomatic arch. They are: Frontal bone Parietal bones (one on each side) Temporal bones (one on. Primary osteosarcomas of the skull and skull base are rare, comprising <2% of all skull tumors. Osteomas most commonly occur in bones formed in membrane, almost exclusively occurring in the head 5, with the most common locations including: paranasal sinus osteoma. Identify the 2 bones that make up the zygomatic arch. The cranium holds and protects the brain. ![]()
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