Metastatic meningioma presenting as cancer of unknown primary

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3 Scopus citations


We describe a case of anaplastic meningioma presenting in an extracranial osseous location, initially diagnosed as cancer of unknown primary. Although anaplastic meningioma comprise 3% of all meningiomas, this subtype is more likely to be associated with metastases. The increased degree of dedifferentiation in anaplastic meningioma makes diagnosis difficult, especially if characteristic imaging findings of meningioma are not identified. Adequate tissue for diagnostic purposes and appropriate imaging studies may help in establishing a definitive diagnosis.

Original languageEnglish (US)
Article numbere59
Pages (from-to)192-193
Number of pages2
JournalRare Tumors
Issue number4
StatePublished - 2013


  • Meningioma
  • Metastasis
  • Unknown primary

ASJC Scopus subject areas

  • Histology
  • Oncology


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