Intracranial Extra-axial Cavernous Angioma of the Cerebellar Falx

Cavernous hemangioma of the dura mater mimicking meningioma

“…In MRI, both lesions are usually isointense or hypointense on T1-weighted images, and isointense or mildly hyperintense on T2-weighted images with intense contrast enhancement. [ 10 ] Moreover, they may exhibit a dural tail sign. [ 10 ]…”

“…Extra-axial cavernous angiomas (or hemangiomas) account for 0.4–2% of all intracranial vascular malformations,[ 10 ] but they usually occur in the middle cranial fossa, associated with the cavernous sinus. [ 14 ] Other possible localizations (e.g., tentorium, convexity, anterior cranial fossa, cerebellopontine angle, Meckel's cave, sella turcica and internal auditory meatus) are rare and they account only for 0.2–0.5%.…”

Dural-Based Cavernous Hemangioma Mimicking Convexity Meningioma—Case Report

“…Extra-axial cavernous hemangiomas account for only 0.4 to 2% of all intracranial vascular malformations. 2 Extra-axial cavernous hemangiomas most commonly arise in the middle cranial fossa in or near the cavernous sinus. 3 Other locations such as the convexity, posterior fossa, and anterior cranial fossa are very rare.…”

“…After review of the literature, only 15 cases of dural-based convexity cavernous hemangiomas have been reported in literature. [1][2][3][7][8][9][10][11][12][13][14][15][16][17][18][19] (►Table 1). Cases of extracranial temporalis muscle cavernous hemangiomas have been reported before.…”

“…In cases in which complete removal is not possible, it is advisable to treat the lesion with radio surgery after histopathologic confirmation. 2,12 Complete resection of the tumor is possible with minimal blood loss and appears to be curative. 10 A possibility of a cavernous hemangioma should be kept in mind when a radiologic diagnosis of a convexity meningioma is made.…”