{"title":"Transbronchial Mediastinal Cryobiopsy in Diagnosing Sarcoidosis: A Three-Case Report.","authors":"Chieri Yamada, Ryota Otoshi, Eri Hagiwara, Asami Moriuchi, Yoichi Tagami, Takashi Niwa, Tomohisa Baba, Tomoe Sawazumi, Tamiko Takemura, Takashi Ogura","doi":"10.2169/internalmedicine.5415-25","DOIUrl":null,"url":null,"abstract":"<p><p>Recent reports suggest that a transbronchial mediastinal cryobiopsy (TMC) offers a better diagnostic performance for benign diseases than endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) because it can obtain larger specimens. We herein report the utility of TMC in three patients with sarcoidosis at our institution. EBUS-TBNA failed to diagnose sarcoidosis in all three patients, whereas TMC provided a definitive diagnosis. Although no significant differences in either the safety or procedural complexity were observed between TMC and EBUS-TBNA, the cost of TMC remains a considerable challenge. Further research is required to determine the strategies regarding optimal patient selection for sarcoidosis patients who need a diagnosis of TMC.</p>","PeriodicalId":520650,"journal":{"name":"Internal medicine (Tokyo, Japan)","volume":" ","pages":""},"PeriodicalIF":1.1000,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Internal medicine (Tokyo, Japan)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2169/internalmedicine.5415-25","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
Recent reports suggest that a transbronchial mediastinal cryobiopsy (TMC) offers a better diagnostic performance for benign diseases than endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) because it can obtain larger specimens. We herein report the utility of TMC in three patients with sarcoidosis at our institution. EBUS-TBNA failed to diagnose sarcoidosis in all three patients, whereas TMC provided a definitive diagnosis. Although no significant differences in either the safety or procedural complexity were observed between TMC and EBUS-TBNA, the cost of TMC remains a considerable challenge. Further research is required to determine the strategies regarding optimal patient selection for sarcoidosis patients who need a diagnosis of TMC.
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