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患者女,12岁,经常感冒咽喉痛,膝踝关节曾有红肿、游走性疼痛。两周前又患感冒,近日,心跳气短,睡眠不能平卧而入院。虽经积极治疗不见好转,病情危重死亡。
尸体解剖所见:在二尖瓣的闭锁缘上可见单行排列的赘生物,粟粒大小、灰白色、半透明。镜下见,心肌间质水肿,多发灶状间质性心肌炎。在血管附近见风湿小体,其中央为红染的纤维素样坏死,周围是体积大、胞浆嗜碱、核膜清晰、染色质集中在中央的风湿细胞,外周是淋巴细胞。
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参考解析:
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