A Case of Prostate Cancer Diagnosed Because of a Respiratory Symptom Detected by EBUS-TBNA

Abstract

Background. The diagnosis of prostate cancer because of respiratory symptoms is rare. Here, we report a case of prostate cancer that was diagnosed on detection of metastases to the hilar and mediastinal lymph nodes by endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) using immunohistochemistry. Case. A 68-year-old man with cough, dyspnea, and an abnormal chest shadow on radiography was referred to our hospital. No urinary symptoms were observed. His chest computed tomography showed multiple lung nodules and enlarged hilar and mediastinal lymph nodes. 18F-fluorodeoxyglucose-positron emission tomography (FDG-PET) showed abnormal uptake in those lesions and in the right lobe of the prostate. We performed EBUS-TBNA of the enlarged hilar and mediastinal lymph nodes by using immunohistochemistry, and hilar and mediastinal lymph nodes metastases of prostate cancer was diagnosed pathologically. Prostate biopsy was performed by an urologist, and thereafter, hormone therapy was begun. Conclusion. We report a case of prostate cancer diagnosed because of a respiratory symptom detected by EBUS-TBNA. FDG-PET views should be taken into account before deciding the site of biopsy specimen collection.