Frequency and distribution of incidental findings deemed appropriate for S modifier designation on low-dose CT in a lung cancer screening program

Lung Cancer : Journal of the International Association for the Study of Lung Cancer
Michael J ReiterApril Plank

Abstract

To describe the frequency, distribution and reporting patterns of incidental findings receiving the Lung-RADS S modifier on low-dose chest computed tomography (CT) among lung cancer screening participants. This retrospective investigation included 581 individuals who received baseline low-dose chest CT for lung cancer screening between October 2013 and June 2017 at a single center. Incidental findings resulting in assignment of Lung-RADS S modifier were recorded as were incidental abnormalities detailed within the body of the radiology report only. A subset of 60 randomly selected CTs was reviewed by a second (blinded) radiologist to evaluate inter-rater variability of Lung-RADS reporting. A total of 261 (45%) participants received the Lung-RADS S modifier on baseline CT with 369 incidental findings indicated as potentially clinically significant. Coronary artery calcification was most commonly reported, accounting for 182 of the 369 (49%) findings. An additional 141 incidentalomas of the same types as these 369 findings were described in reports but were not labelled with the S modifier. Therefore, as high as 69% (402 of 581) of participants could have received the S modifier if reporting was uniform. Inter-radiologist concord...Continue Reading

Citations

Feb 14, 2020·European Radiology·Hans-Ulrich KauczorUNKNOWN European Society of Radiology (ESR) and the European Respiratory Society (ERS)
Sep 8, 2020·The British Journal of Radiology·David R Baldwin, Matthew E J Callister
Feb 14, 2020·The European Respiratory Journal·Hans-Ulrich KauczorUNKNOWN European Society of Radiology (ESR) and the European Respiratory Society (ERS)
Dec 31, 2020·AJR. American Journal of Roentgenology·Dexter P MendozaSubba R Digumarthy
Apr 16, 2021·Korean Journal of Radiology : Official Journal of the Korean Radiological Society·Jin Young KimByoung Wook Choi

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