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  • Title: [Primary osteosarcoma of the skull. Apropos of 2 cases].
    Author: el Quessar A, Boumedin H, Chakir N, el Hassani MR, Jiddane M, Boukhrissi N.
    Journal: J Neuroradiol; 1997 Jun; 24(1):70-4. PubMed ID: 9303947.
    Abstract:
    Primary tumors of the skull are rare and are estimated approximately in about 2.4% of all bone primary tumors. Primary craniofacial osteosarcoma accounts for 2 to 9% of cases in published series. The pure cranial location are estimated in the range of 0.7 to 3%. Spreading lesions to the central nervous system is uncommon, in addition plain film features are misleading due to the lock of evidence of osseous involvement of the calvaria. CT scan is more sensitive to demonstrate bone lesion as well as brain extension. MRI depict the soft tissue components even more clearly. We report two cases of skull osteosarcoma in two female patients without any preexistent affection. The particularity of these observations is that the intracranial extension presented as the brain tumor.
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