本文报导二例侵犯第三脑室脉络组织的动—静脉畸形。例1,男性,20岁,呈现蛛网膜下腔出血并右侧轻偏瘫。左颈动脉造影显示有—动静脉畸形,由脉络膜前动脉供血,而由大脑内静脉及Galen氏静脉引流。椎动脉造影显示动—静脉畸形由脉络膜后 This article reports two cases of violation of the third ventricle venous anomaly. Example 1, Male, 20 years old, presenting with subarachnoid hemorrhage and hemiparesis on the right side. Left carotid angiography showed arteriovenous malformations, which were supplied by the anterior choroidal artery and drained through the intracerebral vein and Galen’s vein. Vertebral artery angiography showed that the arteriovenous malformation was posterior to the choroid