Primary osteosarcoma of frontal bone: A case report and review of literature.

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Primary osteosarcoma of frontal bone: A case report and review of literature.

Medicine (Baltimore). 2017 Dec;96(51):e9392

Authors: Wu G, Liang Q, Liu Y

Abstract
RATIONALE: Primary osteosarcomas of the skull and skull base are rare, comprising <2% of all skull tumors. Primary osteosarcomas of the skull are aggressive neoplasms composed of spindle cells producing osteoid which have poor outcome.
PATIENT CONCERNS: A 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. Prior to the accurate diagnosis, the mass on her skull was considered to be eosinophilic granuloma.
DIAGNOSES: Computerized tomogram (CT) scan of skull revealed a lytic lesion causing destruction of left frontal bone with surrounding soft tissue mass. The histological examination of the lesion showed typical features of osteosarcoma.
INTERVENTIONS: The patient received 3 surgeries and adjuvant chemotherapy and radiotherapy for the frontal bone lesion.
OUTCOMES: At 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.
LESSONS: Because osteosarcoma of skull is a rare disease, the early recognition and correct diagnosis are very important for a better prognosis. 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.

PMID: 29390546 [PubMed - in process]

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