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1病例介绍患者女,40岁。因头昏、乏力、活动后气促2个月,在外院行胸部CT提示右下胸腔巨大占位,于2011年12月26日收入我科。查体:颜面、睑结膜苍白,淋巴结、肝脾不肿大。实验室检查:血红蛋白30 g/L,红细胞比积9.7%,白细胞计数2.0×109/L,血小板计数88×109/L,骨髓象示粒系增生活跃,占46.0%,红系增生明显减低,占2.0%,巨核细胞数正常,结合骨髓活检符合单纯红细胞再生障碍性贫血(PRCA)。CT提示右肺中下叶巨大肿块,密度较肝脏稍低,约13 cm×7 cm×10 cm,肿块边缘分叶状,中度强化,内可见钙化灶,与右肺中下叶、下肺静脉、下腔静脉、膈肌关系密切,纵隔内可见肿大淋巴结,双胸少量积
1 case description Female patient, 40 years old. Due to dizziness, fatigue, shortness of breath after activity 2 months, the chest outside the hospital CT prompts a huge right lower chest space occupancy, December 26, 2011 income in our department. Physical examination: facial, palpebral pale, lymph nodes, liver and spleen is not enlarged. Laboratory tests showed hemoglobin 30 g / L, hematocrit 9.7%, leucocyte count 2.0 109 / L and platelet count 88 109 / L. The bone marrow showed that the granulocyte hyperplasia was active, accounting for 46.0%, erythroid hyperplasia was obviously reduced, Accounting for 2.0%, the number of megakaryocytes is normal, combined with bone marrow biopsy consistent with pure red cell aplasia (PRCA). CT showed a large mass in the middle and lower lobe of the right lung with a slightly lower density than the liver, about 13 cm × 7 cm × 10 cm. The edge of the mass was lobulated and moderately enlarged. The calcification was visible in the middle and lower lobe of the right lung , Inferior vena cava, diaphragmatic close, mediastinal lymph nodes can be seen, a small amount of double chest