• Akın Akakın, Kamran Urgun, Murat Şakir Ekşi, Baran Yılmaz, Özlem Yapıcıer, Mert Mestanoğlu, Zafer Orkun Toktaş, Mustafa Kemal Demir, and Türker Kılıç.
• Department of Neurosurgery, Bahçeşehir University Medical Faculty, Istanbul, Turkey.
• Asian J Neurosurg. 2018 Jan 1; 13 (1): 68-71.

AbstractChondrosarcoma is the second most common primary malignancy of bone after osteosarcoma. Cranial primary chondrosarcomas mostly originate from the skull base cartilage formation zones. Parasagittal falcine origin is very rare for primary extra-skeletal intracranial chondrosarcomas. We report a rare case of primary myxoid chondrosarcoma at falx cerebri. The patient was a 35-year-old lady with right arm and leg weakness. Her brain magnetic resonance imaging depicted a left parasagittal mass lesion attached to the falx cerebri. En bloc resection via left frontal craniotomy was performed. Three more local recurrences occurred in 9 months' time since the index surgery, which were all managed with re-surgeries and/or adjuvant stereotactic radiosurgeries. This is the second case of myxoid type parasagittal chondrosarcoma but with the most protracted disease course. Even though surgery remains the mainstay of treatment for parasagittal chondrosarcomas, adjuvant therapy might be necessary in aggressive ones.

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