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Figure 1: (a) MRI brain showing pachymenigeal thickening and enhancement noted along the left temporal lobe, left-sided posterior fossa, left petrous bone and clivus, extending into the left tentorium cerebelli. There is also involvement of the left cavernous sinus along with the left sphenoid and basifrontal bones. (b) Abnormal enhancement is seen in the left mastoid air cells and dura along the petrous apex. (c) MR venogram shows chronic partial thrombosis of the left transverse-sigmoid sinus and left jugular vein

Figure 1: (a) MRI brain showing pachymenigeal thickening and enhancement noted along the left temporal lobe, left-sided posterior fossa, left petrous bone and clivus, extending into the left tentorium cerebelli. There is also involvement of the left cavernous sinus along with the left sphenoid and basifrontal bones. (b) Abnormal enhancement is seen in the left mastoid air cells and dura along the petrous apex. (c) MR venogram shows chronic partial thrombosis of the left transverse-sigmoid sinus and left jugular vein