Giant chondroma arising from the dura mater of the convexity

Abstract

Chondromas arising from the dura mater are rare intracranial tumors. The authors present a case of intracranial giant chondroma originating from the dura mater of the convexity. Neuroimaging and surgical findings are described. The diagnostic clues are discussed and similar cases from the literature are reviewed.

A Solitary Convexity Dural Chondroma: The Proposed Role of Diffusion-Weighted MR Imaging in the Differential Diagnosis of Intracranial Chondroma and Meningioma

“…On the other hand, traumatic displacement of cartilaginous elements 1,14,20,21 or genetic disposition, such as Maffucci's and Ollier's disease, have also been considered in the etiopathogenesis of chondromas 22,23 . Nevertheless, the etiology remains unknown 9 .…”

Microsurgical treatment of intracranial chondroma

“…5 In Maffucci's syndrome, the incidence of sarcomatous change is certainly increased. 4,12,21 In our series, five patients underwent radiotherapy: three conventional RT, one by X-knife and one by gamma knife. MRI demonstrated that the tumors were unchanged after an average of 44.7 months; however, the long-term effect is unknown.…”

“…12,17,21,22 However, intracranial chondromas originating from the falx, the convexity dura, the tentorium, the choroid plexus, and the brain parenchyma have also been reported. 1,4,13,[23][24][25][26] The clinical manifestations of intracranial chondroma mainly include headache and multiple lesions of the cranial nerves.…”

“…Intracranial chondromas represent approximately 0.2% to 0.3% of all intracranial primary tumors. 2,4,5 They usually arise from the skull base synchondroses, and are particularly prevalent in the middle fossa. In some instances, they may grow from cartilage rests within the dura mater of the convexity or the falx.…”

Falx Cerebri Giant Chondroma ‒ Case Report

“…Treatment of these tumors is entire tumor removal and resection of the attached falx, since they are well demarcated and there is little adherence to surrounding brain structures [29,30]. We performed a complete resection of a large falcine chondroma attached to the dura mater and anterior third of the superior sagittal sinus.…”