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Fulltext Endobronchial ultrasound-guided transbronchial mediastinal cryobiopsy: a narrative review

Ramarmuty HY, Oki M

Mediastinum, 2024;8:2.
PMID: 38322189 DOI: 10.21037/med-23-34

BACKGROUND AND OBJECTIVE: Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is a minimally invasive, safe, and well-established method for diagnosing and staging lung cancer and other conditions associated with mediastinal lymphadenopathy. Efforts have been made to enhance the material adequacy of EBUS-TBNA, including the recent introduction of EBUS-guided transbronchial mediastinal cryobiopsy (EBUS-TMC). This advancement facilitates the acquisition of larger and better-preserved tissue samples from the mediastinum. We evaluated the diagnostic accuracy and safety of EBUS-TMC in the diagnosis of malignant lesions and its effectiveness in relation to benign conditions, such as tuberculosis and sarcoidosis.
METHODS: We searched the PubMed® database for relevant English articles published up to July 1, 2023. Subsequently, we conducted a comprehensive bibliographic analysis with a particular emphasis on diagnostic yield, safety profile, and procedural technicalities.
KEY CONTENT AND FINDINGS: Our narrative review, comprising seven publications, emphasizes the significance of EBUS-TMC as an effective technique for obtaining diagnostic tissue in malignant and benign conditions while maintaining an excellent safety profile. Furthermore, its capability for obtaining larger tissue samples facilitates molecular and immunological analysis in non-small cell lung cancer.
CONCLUSIONS: EBUS-TMC exhibits significant efficacy with regard to obtaining diagnostic tissue in malignant and benign conditions. However, further studies are needed to evaluate uncertainties regarding the selection of suitable cases and technical intricacies.

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