To evaluate the diagnostic accuracy and detection rate of lymph node metastases (LNM) in Papillary Thyroid Carcinoma (PTC) using the One-Step Nucleic Acid Amplification (OSNA) technique compared to conventional pathological methods. A systematic search was conducted in PubMed, The Cochrane Library, Scopus, and Web of Science from May 1, 2023, to June 30, 2023, for studies published from January 1, 2005, to April 30, 2023. Observational studies assessing OSNA for LNM in PTC patients were included.
