Brain Tumor Res Treat.  2015 Oct;3(2):151-155. 10.14791/btrt.2015.3.2.151.

Primary Intraosseous Osteolytic Meningioma of the Skull Mimicking Scalp Mass: A Case Report and Review of Literature

Affiliations
  • 1Department of Neurosurgery, Inje University Sanggye Paik Hospital, Seoul, Korea. ksyjnr@gmail.com
  • 2Department of Pathology, Inje University Sanggye Paik Hospital, Seoul, Korea.

Abstract

Primary extradural meningioma is about 1-2% of all meningiomas. Primary intraosseous meningioma is a rare form of intra-bone tumors that account for approximately 67% of extradural meningiomas. We report a primary intraosseous meningioma of a 69-year-old man who had headaches and a mass on right parietal scalp for the past few months. Remarkably, the brain tissue within the osteolytic cavity of the skull was normal in computed tomography and magnetic resonance images. Resection, duraplasty, and cranioplasty were performed. The patient's symptoms disappeared after surgery, and the histological diagnosis was an osseous meningothelial meningioma (World Health Organization grade I).

Keyword

Benign meningioma; Calvarium; Osteolyses; Multiple Myelomas
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