Unilateral subcortical calcification: a manifestation of dural arteriovenous fistula
Ming-Shiang Yang1, Clayton Chi-Chang Chen, Yung-Yi Cheng
1Department of Diagnostic Radiology, Chung-Shan Medical University Hospital, I-Lan, Taiwan, Republic of China.
Abstract:
We describe the imaging findings in a dural arteriovenous fistula (AVF) with unilateral subcortical calcification. A 50-year-old woman patient suffered from hypertension and chronic headache. Recently, marked headache and a changed consciousness level were noted. The imaging studies demonstrated left subcortical calcification and cerebral sulcus effacement. MR imaging and angiography revealed multiple abnormal tortuous vessels, mainly from left external carotid artery with left-sided transverse sinus occlusion. The final diagnosis was type II a + b dural AVF (classification of Djindjian and Merland), and the patient underwent endovascular embolization and radiosurgery.
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