A Case of Pulmonary Infarction Associated With Lung Cancer.

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Background. Pulmonary infarction associated with lung cancer is very difficult to accurately diagnose. We often need to distinguish pulmonary infarction from intrapulmonary metastasis. Case. A 62 year-old woman was referred to our hospital because of an abnormal shadow on her chest X-ray film. Chest CT revealed two nodules in the lower lobe of the left lung. The cytological result of the transbronchial brushing sample obtained from the proximal lesion was adenocarcinoma. Although the peripheral lesion could not be elucidated bronchofibroscopically, it was considered to be intrapulmonary metastasis and the preoperative clinical stage was categorized as stage IIIB. Left lower lobectomy was performed. The resected specimen demonstrated that the peripheral nodule was a pulmonary infarction lesion and the postoperative stage was stage IA. Conclusion. It is necessary to consider pulmonary infarction in the differential diagnosis when multiple abnormal nodules are detected.
特定非営利活動法人日本肺癌学会の論文