Abstract
Background: Mesenchymal chondrosarcoma (MCS) is a rare and aggressive malignant tumor, a subtype of chondrosarcoma assumed to arise from remnants of the embryonic cartilage or metaplasia of meningeal fibroblasts. Intracranial extraskeletal MCSs are rare tumors, accounting for <0.16% of intracranial tumors. They usually occur in the age group of 20–30 years and are commonly found in the frontoparietal region arising from the falx and surrounding dura. Case Description: A 17-year-old girl presented with weakness of the right lower limb. Magnetic resonance imaging showed a large lobulated extra-axial mass lesion in the left parasagittal frontal region. She underwent a left frontoparietal craniotomy and excision of the tumor. She received adjuvant radiotherapy 60Gy/30 fractions. Conclusion: Intracranial MCSs are rare malignant tumors with a poor prognosis. The prognosis depends upon surgical resection and postoperative radiotherapy.
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