Background: Lung cancer screening has led to the discovery of many incidental findings including hiatal hernias (HH). However, the clinical significance and work up of these HH varies widely and there is no standardized approach toward follow-up studies or interventions. Therefore, we sought to identify the prevalence, symptoms, and describe our approach toward management of incidentally found HH on lung cancer screening CT scans. Methods: We conducted a retrospective chart review of patients who had HH incidentally found on their lung cancer screening CT scans, at our institution between June 2021 and January 2022. We then analyzed the collected data to determine the prevalence of HH in lung cancer screening patients, presence of symptoms, and management of these HH. Results: About 638 patients underwent lung cancer screening, of which 8.8 (n = 56) were found to have HH. Although 64.3 of patients with HH were symptomatic, 51.8 had not seen a gastroenterologist and 64.3 never had prior esophagogastroduodenoscopy. Of the patients with HH, 25 were evaluated by a thoracic surgeon based on symptoms or type of HH, and 10.7 qualified for surgical intervention. Patients not eligible for surgical intervention were referred to gastroenterology for follow-up. Conclusions: Hiatal hernias are common incidental findings on lung cancer screening CT scans. Many of these patients with HH are symptomatic and some have large HH. Therefore, these patients should be referred to specialists who can monitor their symptoms, initiate appropriate work-up when needed, and offer medical or surgical treatment when indicated. ? The Author(s) 2023.
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