A 23-year-old woman presented with gradual-onset left chest and back pain. She had at medical history of asthma. She was a never smoker with no significant family history. Her observations and examination were normal. Blood tests performed revealed a raised C reactive protein of 119 mg/L and high white cell count of 12.81×109/L. A chest radiograph showed left hilar consolidation (figure 1A). She was treated with oral clarithromycin and follow-up radiograph showed resolution of the consolidation (figure 1B). Figure 1 (A) Chest radiograph at presentation showing left hilar consolidation. (B) Chest radiograph showing resolution of left hilar consolidation. (C) CT thorax showing left-sided complex pleural effusion with large bore chest drain in situ and 2.6 cm fluid collection in left hemithorax with surrounding consolidation. (D) Persistent fluid filled density in the left anterior hemithorax with resolution of the surrounding pleural effusion. (E) Postoperative follow-up chest radiograph showing elevated left hemidiaphragm. One year later, she represented with a 10-day history of dry cough and pleuritic chest pain. A chest radiograph demonstrated a left-sided pleural effusion and blood tests were in keeping with …

中文翻译：

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什么时候肺脓肿不是肺脓肿？肺内囊性畸胎瘤相关的复发性肺炎和脓胸

一名 23 岁的女性因逐渐发作的左侧胸部和背部疼痛就诊。她有哮喘病史。她从不吸烟，没有明显的家族史。她的观察和检查是正常的。进行的血液检查显示 C 反应蛋白升高至 119 mg/L，白细胞计数升高至 12.81×109/L。胸片显示左肺门实变（图 1A）。她接受了口服克拉霉素治疗，随访 X 光片显示实变消退（图 1B）。图 1 (A) 就诊时的胸片显示左肺门实变。(B) 胸片显示左肺门实变消退。(C) 胸部 CT 显示左侧复杂胸腔积液，原位大口径胸腔引流，左侧胸腔积液 2.6 厘米，周围实变。(D) 左前半胸持续存在充满液体的密度，周围胸腔积液消退。(E) 术后随访胸片显示左半膈升高。一年后，她表现出 10 天的干咳和胸膜炎性胸痛病史。胸片显示左侧胸腔积液，血液检查符合……