Adult bronchiolitis CT

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Hadeel Maksoud M.D.[2]


High resolution chest CT scan may be helpful in the diagnosis of adult bronchiolitis. Findings on CT scan suggestive of adult bronchiolitis include mosaic or diffuse air trapping, bronchial wall thickening, linear opacities, centrilobular nodules, and bronchiectasis (dilated airways).

CT scan

  • High resolution chest CT scan may be helpful in the diagnosis of adult bronchiolitis.
  • The following result of high resolution CT is suggestive of adult bronchiolitis:[1][2][3][4][5]
    • Mosaic or diffuse air trapping
    • Bronchial wall thickening
    • Linear opacities
    • Centrilobular nodules
    • Bronchiectasis (dilated airways)
      • Specifically seen in:
        • Bronchiolitis obliterans
        • Following lung transplant
        • Rheumatic disease
        • Previous infection
        • Toxic fume inhalation shows bilateral atelecstasis and thickened bronchial walls by Bo-Qia Xie, Wei Wang, Wen-Qian Zhang, Xin-Hua Guo, Min-Fu Yang, Li Wang, Zuo-Xiang He, Yue-Qin Tian -, CC BY 4.0,


  1. Devakonda A, Raoof S, Sung A, Travis WD, Naidich D (April 2010). "Bronchiolar disorders: a clinical-radiological diagnostic algorithm". Chest. 137 (4): 938–51. doi:10.1378/chest.09-0800. PMID 20371529.
  2. Pipavath SJ, Lynch DA, Cool C, Brown KK, Newell JD (August 2005). "Radiologic and pathologic features of bronchiolitis". AJR Am J Roentgenol. 185 (2): 354–63. doi:10.2214/ajr.185.2.01850354. PMID 16037505.
  3. Jensen SP, Lynch DA, Brown KK, Wenzel SE, Newell JD (December 2002). "High-resolution CT features of severe asthma and bronchiolitis obliterans". Clin Radiol. 57 (12): 1078–85. PMID 12475532.
  4. Barker AF, Bergeron A, Rom WN, Hertz MI (May 2014). "Obliterative bronchiolitis". N. Engl. J. Med. 370 (19): 1820–8. doi:10.1056/NEJMra1204664. PMID 24806161.
  5. Ghanei M, Tazelaar HD, Chilosi M, Harandi AA, Peyman M, Akbari HM, Shamsaei H, Bahadori M, Aslani J, Mohammadi A (June 2008). "An international collaborative pathologic study of surgical lung biopsies from mustard gas-exposed patients". Respir Med. 102 (6): 825–30. doi:10.1016/j.rmed.2008.01.016. PMID 18339530.