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An Unusual Case of Pulmonary Sarcomatoid Carcinoma (Subtype Spindle Cell Carcinoma) Presenting as Endobronchial Mass with Pulmonary Artery Invasion: A Case Report and Literature Review

肺類肉瘤上皮癌(梭狀細胞上皮癌亞型)以支氣管內腫塊和肺血管侵犯為表現:罕見病例報告及文獻回顧

摘要


肺類肉瘤上皮癌是一種罕見的非小細胞肺癌,約僅占所有肺癌的0.1%至0.4%。病人常見於60至70歲的男性吸菸者,其臨床病程相當有侵犯性,且預後明顯比其餘的非小細胞肺癌來得差。肺類肉瘤上皮癌普遍生長為單一且體積大的腫瘤,常位於週邊且侵犯胸壁。儘管其行為如此惡性,但是很罕見到以支氣管內突出的腫瘤併肺血管侵犯為表現。在此,我們報告一位具有肺類肉瘤上皮癌(梭狀細胞上皮癌亞型)的非吸菸59歲女性案例,其腫瘤以支氣管內腫塊和肺血管侵犯為不尋常表現。

並列摘要


Pulmonary sarcomatoid carcinoma is a rare form of non-small cell lung cancer that comprises 0.1% to 0.4% of all lung malignancies. Patients are predominantly male smokers with a median age of 60 to 70 years. The clinical course is aggressive and the prognosis is significantly worse than that of other forms of non-small cell lung cancer. Pulmonary sarcomatoid carcinoma usually presents as a large, solitary, peripheral mass with chest wall invasion, and very rarely as a protruding endobronchial tumor with pulmonary vessel invasion. We report the case of a 59-year-old female non-smoker with the unusual presentation of pulmonary sarcomatoid carcinoma (subtype spindle cell carcinoma) as an endobronchial mass obstructing the left main bronchus and invading the left pulmonary artery.

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