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患者男,20岁。全身乏力,多饮、多尿1年余,加重1月。查体及实验室检查:患者一般情况尚可,眼睑下垂,其它未发现任何阳性体征。B超示肝、胆、胰、脾、肾及肾上腺均无异常发现。胸部透视及心电图示无异常发现。CT检查:位于第三脑室后上方松果体区,示最大截面约为3.5cm×3cm略高密度占位CT值约为50Hu,边缘较税利与周围脑组织界限较清晰,内可见散在的斑块样钙化,周边可见絮状钙化。位于鞍上池内示最大截面约为1.0cm×1.0cm高密度占位,CT值约为40Hu,密度较均匀,边缘较清晰。第三脑室呈杯口样扩大,侧脑室扩大,第四脑室正常,鞍上池消失。强化扫描:松果体区占位及鞍上池占位同时均质性强化,且强化明显。CT诊断:松果体区实性占位,首先考虑生殖细胞瘤,后经全脑放疗1个疗
Patient male, 20 years old. Generalized, drink more, more than 1 year urine, increased in January. Examination and laboratory tests: the general condition of patients, eyelid ptosis, the other did not find any positive signs. B ultrasound showed liver, gallbladder, pancreas, spleen, kidney and adrenal were no abnormal findings. Chest X-ray and ECG showed no abnormal findings. CT examination: located in the third ventricle above the pineal area, showing a maximum cross section of about 3.5cm × 3cm slightly higher density occupancy CT value of about 50Hu, the edge of the tax and the surrounding brain tissue more clearly, within the scattered spots Block-like calcification, visible around the flocculent calcification. Located in the saddle on the pool shows the largest section of about 1.0cm × 1.0cm high-density space occupancy, CT value of about 40Hu, more uniform density, the edge more clearly. The third ventricle was cup-like enlargement, lateral ventricle expansion, the fourth ventricle normal, saddle pool disappear. Enhanced scan: pineal area and saddle occupy the upper pool at the same time homogeneous enhancement, and strengthening obvious. CT diagnosis: solid mass space in the pineal region, the first consideration of germ cell tumor, followed by whole brain radiotherapy 1