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Primary Bronchial Leiomyoma Presenting as Lobar Atelectasis: A Case Report

原發性支氣管肌瘤以肺葉塌陷表現-病例報告

摘要


支氣管平滑肌瘤是一種極為罕見的良性肺腫瘤,在下呼吸道的良性腫瘤中佔不到2%。在此,我們報告一位50 歲無明顯過去病史的女性個案,因交通事故撞傷胸部導致右胸壁疼痛而來急診就診。胸部X 光檢查除了顯示右邊第五、六、七肋骨骨折外,還發現左上肺葉塌陷。胸部電腦斷層顯示左上肺之氣管內有個腫瘤塞住管腔而導致左上肺葉塌陷。經支氣管鏡切片檢查顯示此腫瘤為平滑肌瘤。病人在接受經硬式支氣管鏡腫瘤切除術後,恢復狀況良好,且左上肺葉塌陷完全改善。此個案報告顯示在經過詳細評估明白該腫瘤是良性且侷限氣管內之後,可以使用經硬式支氣管鏡切除腫瘤,以保存遠端的肺部組織。

並列摘要


Bronchial leiomyoma is the rarest type of benign pulmonary neoplasm, comprising <2% of benign tumors of the lower respiratory tract. We report the case of a 50-year-old woman with an unremarkable medical history who presented at the emergency department due to right chest wall pain after trauma from a traffic accident. In addition to fracture of the right 5^(th) to 7^(th) ribs, chest radiograph revealed a collapsed left upper lobe. A tumor obstructing the left upper lobe bronchus, causing lobar atelectasis, was seen on chest computed tomography. Fiber-optic bronchoscopic biopsy of the tumor revealed benign leiomyoma. The patient recovered uneventfully after tumor resection via rigid bronchoscopy. This case highlights the possibility of complete tumor resection via rigid bronchoscopy to preserve the distal lung after thorough evaluation and confirmation of the exclusively endoluminal and benign nature of the tumor.

並列關鍵字

leiomyoma bronchial tumor atelectasis

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