我们遇到异源性颅内多原发性肿瘤4例,现举2例进行讨论。例1:男,21岁,因视物成双,右外展神经麻痹3年入院。体检:右眼球内斜,视野部分缺如,双视乳头水肿。右颈内动脉造影显示大脑前动脉水平段抬高,眼动脉迂曲增粗,脑膜浅返动脉迂曲增粗,于鞍结节处可见放射状肿瘤血管。手术见鞍结节处约3×4cm肿瘤,病理为脑膜瘤。术后3年患者又因头痛、呕吐、双目视力下降而再次入院。 We encountered heterogeneous intracranial multiple primary tumors in 4 cases, now in the discussion of 2 cases. Example 1: Male, 21 years old, due to visual acuity double, right abduction nerve paralysis 3 years admitted. Physical examination: the right eye oblique, part of the lack of vision, binocular nipple edema. Right internal carotid artery angiography showed elevated levels of the anterior cerebral artery, ophthalmic artery tortuous thickening, ductile tortuous thickening of the meninges, visible in the nodular radial tumor blood vessels. Surgical see saddle nodules about 3 × 4cm tumor, pathological meningioma. 3 years after the patient was due to headache, vomiting, binocular vision loss and re-admission.