- 期刊
Diagnosing Mediastinal Metastatic Cholangiocarcinoma Using Eendobronchial Ultrasound-guided Transbronchial Needle Aspiration: A Case Report
摘要
The diagnosis of a neoplasm in the gastrointestinal tract is usually based on pathologic examination via endoscopic biopsy or endoscopic ultrasound-guided fine-needle aspiration. However, tumor obstruction hinders the detailed tumor assessment and accuracy of endoscopic biopsies or endoscopic ultrasound-guided fine-needle aspiration. We report a rare case with an esophageal mass. While the obstruction prevented successful biopsy via the esophagus, endobronchial ultrasound-guided transbronchial fine-needle aspiration (EBUS-TBNA) was able to obtain adequate tissue samples by puncturing the tracheobronchial wall to the mass lesion outside the subcarinal area. Pathology disclosed adenocarcinoma that was CK7 positive. Based on the pathology and positron emission tomography findings, metastatic cholangiocarcinoma with esophageal metastasis was favored during the cancer multidisciplinary team discussion. EBUS-TBNA would be an effective method to obtain tissues in such situations.
延伸閱讀
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