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患者女性,68岁。多年前无意中发现右侧顶部肿物,约花生粒大小,未予重视。于入院前5个月肿物较前迅速增大。入院后头颅MRI平扫示右侧顶枕区颅骨骨质吸收,可见T1WI等、T2WI高、FLAIR高信号影,其内可见条状T1WI低、T2WI低、FLAIR低信号影及小片状T1WI高、T2WI高、FLAIR高信号影,肿块跨颅骨内外板生长,边缘清楚,可见束腰征,大小5.5 cm×4.8 cm×5.7 cm。增强扫描后呈不均匀
Patient female, 68 years old. Many years ago inadvertently found the right top of the tumor, about the size of peanuts, not attention. In the first 5 months before admission, the tumor increased rapidly. After admission, the skull MRI scan revealed the absorption of the skull bone on the right top occipital region. The T1WI, T1WI, T2WI high, and FLAIR high signal can be seen. The stripe T1WI is low, T2WI is low, FLAIR is low, , T2WI high, FLAIR high signal shadow, intracranial skull and internal and external plate growth, clear edge, showing the beam waist sign, the size of 5.5 cm × 4.8 cm × 5.7 cm. Enhanced scan was uneven