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  • Title: Efficacy and Safety of Transbronchial Needle Aspiration in Diagnosis and Treatment of Mediastinal Bronchogenic Cysts: Systematic Review of Case Reports.
    Author: Maturu VN, Dhooria S, Agarwal R.
    Journal: J Bronchology Interv Pulmonol; 2015 Jul; 22(3):195-203. PubMed ID: 26165889.
    Abstract:
    BACKGROUND: Although surgical resection of mediastinal bronchogenic cysts is considered the treatment of choice, there is increasing interest in minimally invasive approaches of management. The purpose of this study was to review the literature on the role of transbronchial needle aspiration (TBNA), either conventional or endobronchial ultrasound (EBUS)-guided, in the diagnosis and management of bronchogenic cysts. METHODS: We systematically searched the PubMed and EmBase databases for studies (until July 2014) reporting TBNA of bronchogenic cysts. Data were recorded on a standard data extraction form and is presented in a descriptive manner. RESULTS: Our search yielded 26 studies (32 patients). The median age of the patients was 43 years. Most were men (n=15), symptomatic at presentation (n=19), and had cysts in the paratracheal location (n=14). Endosonography was performed on 16 patients. The EBUS appearance of the lesion was hypoechoic and anechoic in 11 and 5 patients, respectively. Thirty-one patients underwent TBNA (conventional: 16; EBUS-guided: 15). The intent of TBNA was therapeutic in 19 patients and diagnostic or symptomatic palliation in the others. Complications were reported in 5 (16.1%) patients [infective (n=4), bradycardia (n=1)] after TBNA; there were no deaths. The median duration of follow-up was 14 months and no recurrences were detected during the follow-up period. CONCLUSIONS: Bronchoscopy is a useful tool in the diagnosis of bronchogenic cysts, both for confirmation of the cystic nature of the lesion by EBUS and diagnosis by TBNA (preferably EBUS-guided) of the cyst fluid. Therapeutic aspiration of the cyst may be an alternative to surgery in adults with mediastinal bronchogenic cysts.
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