【正文】
顱內(nèi)動靜脈畸形的影像學(xué)評估 Radiologic Assessment of Brain Arteriovenous Malformations: What Clinicians Need to Know 20220818 Cai Wenchao Case Report ? 50y,men ? Symptoms: 1year history of progressive leftsided weakness , , aggravated ,acpaning back pain and enuresis for 4month. ? Examinations: MRI/ceMR/MRA/TCD/DSA ? ? MRI: High T T2Flair SI ,Low T1 SI on both side of parietal and frontal lobe(cerebral infarction), while high DWI SI on the right parietal and frontal lobe(subacute cerbral infarction). ? MRA:no abnormal findings. ? CEMRI 和 MRV:Multiple thickening、 bending small vein in both parietal and frontal lobe and ventral of the pons.(Venous malformation). And Scalp soft tissue ? SWI: ? TCD: ? DSA:multiple flow voids and contrastenhanced tubular structures that involves on both side of parietal lobe、 frontal lobe and ventral pons. The normal brain parenchyma is interspersed between the abnormal vessels. Anteroposterior and Lateral right internal carotid angiogram demonstrates relatively normalsized MCA branches and early venous drainage , findings that confirm the diagnosis of classic brain AVM. ? A