A case of intraosseous and subcutaneous meningioma transforming head like a rugby ball

Yasuo Nishijima, Akihiro Utsunomiya, Shinsuke Suzuki, Toshiki Endo, Ichiro Suzuki, Shinjitsu Nishimura, Masayuki Ezura, Hiroyoshi Suzuki, Hiroshi Uenohara

    Research output: Contribution to journalArticlepeer-review

    Abstract

    A case of huge intraosseous and subcutaneous meningioma presenting transformation of head like a rugby ball is described. He was admitted to our hospital with an elastic hard, painless growing mass in parietal and occipital region. Neurological examination and laboratory data was revealed no abnormalities. Bone target CT showed a wide range of osteoblastic lesion in parieto-occipital skull. Gd-enhanced magnetic resonance images (MRI) showed large homogeneous enhanced tumor at subcutaneous and intradiploic portions, and small enhanced tumor at subdural parasagital portion. At biopsy, subcutaneous and intradiploic tumor proved benign meningothelial meningioma. After biopsy, subcutaneous, intradiploic and parasagittal meningiomas were resected as far as possible with no complications and cranioplasty was performed with a titanium sheet. Microscopically there was not a relation between extradural tumor and intradural parasagittal tumor. Follow-up MR images was present no tumor regrowth one and a half year after surgery. Intraosseous meningioma was extremely rare. Especially unusual appearance was presented by this rare case, so we present clinical course of this case and reviewed clinical charactaristics on medical literatures.

    Original languageEnglish
    Pages (from-to)32-38
    Number of pages7
    JournalJapanese Journal of Neurosurgery
    Volume21
    Issue number1
    Publication statusPublished - 2012 Jan 20

    Keywords

    • Cranioplasty
    • Intraosseous
    • Meningioma
    • Subcutaneous
    • Surgery

    ASJC Scopus subject areas

    • Clinical Neurology
    • Surgery

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