An incidental image of a patient with chest pain after fall from a tree: Swyer-James-MacLeod syndrome? Sadiye Yolcu, Levent Albayrak , Ibrahim Caltekin Bozok University, Department of Emergency Medicine, Yozgat, Turkey article info Article history: Received 1 February 2018 Accepted 9 February 2018 Available online xxxx © 2018 Elsevier Inc. All rights reserved. Unilateral hyperlucent lung was rstly described by Swyer and James 1950s [1]. After that, some patients with same disease were de- tected by Macleod [2]. Then this syndrome was named as Swyer- James-Macleod syndrome (SJMS), and this syndrome includes a smaller or normal sized unilateral hyperlucent lung. The structure of the lungs is constructed of decreased vascularity and air trapping during expiration. In literature, this image is known as the sequel of viral/bacterial infection or tuberculosis and named as bronchiolitis obliterans [3-5]. American Journal of Emergency Medicine xxx (2018) xxxxxx Author(s) declare that they have no conict of interest. Corresponding author at: Bozok Üniversitesi Tıp Fakültesi Acil Tıp AD, Yozgat, Turkey. E-mail address: levent.albayrak@bozok.edu.tr (L. Albayrak). YAJEM-57319; No of Pages 2 Image 1. Computed tomography image of the patient. Contents lists available at ScienceDirect American Journal of Emergency Medicine journal homepage: www.elsevier.com/locate/ajem Please cite this article as: Yolcu S, et al, An incidental image of a patient with chest pain after fall from a tree: Swyer-James-MacLeod syndrome?, American Journal of Emergency Medicine (2018), https://doi.org/10.1016/j.ajem.2018.02.008