Benign metastasizing meningioma

Benign metastasizing meningiomas are a rare occurrence, encountered as a complication of a tiny fraction of all meningiomas diagnosed. It refers to spread of the tumor via metastases to distant sites, analogous to benign metastasizing leiomyoma from uterine fibroids


The incidence of benign metastasizing meningiomas is less than 0.1% of meningiomas 2.

Clinical presentation

Presentation is very nonspecific with metastases reported widely throughout the body 1

  • pulmonary (60%)
  • abdomen (34%) (mostly liver)
  • cervical lymph nodes (18%)
  • long bones, pelvis , skull (11%)
  • pleura (9%)
  • vertebra (7%)
  • central nervous system (7%)
  • mediastinum (5%)
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Article information

rID: 47458
Synonyms or Alternate Spellings:
  • Benign metastasizing meningiomas
  • Benign metastasizing meningioma
  • Benign metastasising meningiomas

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