Intraosseous cavernous hemangiomas are benign neoplasms which comprise only up to 1% of all osseous tumors and 7-10% of skull tumors.
骨内海绵状血管瘤是一种良性的骨肿瘤，仅占所有骨肿瘤的1%、颅骨肿瘤的7 - 10%。
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To investigate surgical approaches and reconstruction of skull base defects of paranasal sinus neoplasms with anterior skull base extension, 7 cases undergone skull base resection were analysed.