Alıcı, İbrahim OnurKar Kurt, ÖzlemDursun, Adile BernaYılmaz, AydınÖner Erkekol, Ferda2021-06-232021-06-2320130020-1324https://doi.org/10.4187/respcare.02350https://hdl.handle.net/20.500.12491/4846Initial management of patients with difficult-to-treat asthma must begin with confirmation of the diagnosis. We present 2 cases of tracheal disease misdiagnosed as difficult-to-treat asthma. After systemic evaluation, tracheomalacia and tracheobronchial narrowing due to diffuse calcification of the cartilaginous rings were found as mimicking asthma. © 2013 Daedalus Enterprises.eninfo:eu-repo/semantics/openAccessAsthmaDifficult-to-treat AsthmaFlow LimitationSevere AsthmaTracheal CalcificationTracheobronchomalaciaArticle10.4187/respcare.023505811e133e137234313102-s2.0-84886239893Q2