Hypothesis: Vestibular rehabilitation (VR) education videos on YouTube are poor-quality and unreliable. Background: YouTube has become a health information source. Recent studies have determined that videos on YouTube contain misleading and inappropriate information for different medical conditions. The aim of the present study was to assess the quality and reliability of VR education videos. Methods: A search was performed using the keywords vertigo, vertigo treatment, vertigo exercise, and vestibular rehabilitation, on YouTube. The first 50 videos for each keyword were analyzed. Videos were divided into four groups according to the video source: Group 1: universities/ occupational organizations, Group 2: medical ad/profit-oriented companies, Group 3: independent users, and Group 4: others (news/media/state institution). The quality and reliability of videos were evaluated regarding the modified DIS-CERN criteria, the modified Journal of the American Medical Association (JAMA) benchmark criteria, and global quality scores (GQS).Results: Among the 200 videos analyzed, 103 were included. The main video source was medical ad/profitoriented companies (60.2%). The mean modified DISCERN criteria score, the mean modified JAMA benchmark criteria score, and the mean GQS value of the videos were found as low (2.46 AE 1.37, 2.09 AE 1.23, and 2.67 AE 1.38, respectively). Videos uploaded by universities/occupational organizations (25.2%) had statistically significant higher modified DIS-CERN criteria scores, modified JAMA benchmark criteria scores, and GQS values compared with the other groups ( p < 0.001). Conclusion: Online information about VR education on YouTube was of poor quality and unreliable. Expert vestibular providers should be aware of these inappropriate sources and educate patients regarding the poor-quality of videos and also aim to provide more quality and reliable sources of information.

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Objective: The role of fine-needle aspiration cytology (FNAC) is well established for preoperative evaluation of patients with salivary gland lesions. However, the lack of a uniform system for salivary gland FNAC has limited its effectiveness. In recent years, the Milan System for Reporting Salivary Gland Cytopathology (MSRSGC) has been in use around the world to report the cytology results. We aimed to investigate the efficacy and accuracy of FNAC examined according to pre-MSRSGC era dichotomous benign/malignant classification in salivary gland tumors. Methods: Patients who underwent surgery between January 2011 and December 2020 due to major salivary gland tumors were retrospectively analyzed. Two hundred and four patients were included in the analysis. Preoperative FNAC results and final histopatological diagnoses were grouped as benign or malignant. Final histopatological diagnoses were compared with the preoperative FNAC results. Also, sensitivity, specificity, and accuracy of the preoperative FNAC results, as well as the agreement between both tests were investigated. Results: The sensitivity, specificity, accuracy, positive and negative predictive values of the preoperative FNAC for the diagnosis of malignancy were 59.09%, 97.85%, 93.75%, 76.47%, and 95.29%, respectively. There was a moderate agreement between the preoperative FNAC results and final histopatological diagnoses. Conclusion: The accuracy of the preoperative FNAC and the information given about malignancy risk are the most important criteria for patient management and decision-making. The MSRSGC, which consists of a six-tiered classification rather than a dichotomous “yes/no” system, may contribute to patient management and decision-making by increasing the efficacy and accuracy of FNAC.

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