肺放线菌病酷似食管癌肺转移；病例报告。
Pulmonary actinomycosis mimicking a lung metastasis from esophageal cancer; a case report.
机构信息
Department of Gastroenterology and Hepatology, Graduate School of Medicine, Kyoto University, 54 Kawahara-cho, Syogoin, Sakyo-ku, Kyoto, 606-8507, Japan.
Department of Gastroenterology and Hepatology, Hyogo Prefectural Amagasaki General Medical Center, Amagasaki, Japan.
出版信息
BMC Pulm Med. 2018 Feb 27;18(1):39. doi: 10.1186/s12890-018-0602-z.
BACKGROUND
Actinomycosis is a rare bacterial infection caused by Actinomyces. The symptom of actinomycosis is nonspecific and radiological images present as a slow-progressive mass lesion similarly to malignancies. Thus, it is difficult to distinguish pulmonary actinomycosis from malignancies.
CASE PRESENTATION
A 74-year-old male who had esophageal cancer and a pulmonary mass that was positive for F-fluorodeoxyglucose positron emission tomography/computed tomography was initially diagnosed with esophageal cancer with a lung metastasis because he was asymptomatic. However, aspiration of pleural effusion revealed that the pulmonary lesion was actinomycosis.
CONCLUSION
We present a case of pulmonary actinomycosis mimicking a lung metastasis from esophageal cancer. Diagnosis of asymptomatic pulmonary actinomycosis is difficult, and needle aspiration could be useful for a definitive diagnosis of pulmonary actinomycosis.
背景
放线菌病是一种由放线菌引起的罕见细菌性感染。放线菌病的症状不具特异性，影像学表现为类似于恶性肿瘤的缓慢进展性肿块病变。因此，很难将肺放线菌病与恶性肿瘤区分开来。
病例介绍
一名 74 岁男性患有食管癌和肺部肿块，正电子发射断层扫描/计算机断层扫描氟-氟代脱氧葡萄糖阳性，最初因无症状而被诊断为食管癌伴肺转移。然而，胸腔积液抽吸显示肺部病变为放线菌病。
结论
我们报告了一例模拟食管癌肺转移的肺放线菌病。无症状肺放线菌病的诊断较为困难，针吸抽吸对于明确诊断肺放线菌病可能有用。
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