Chest CT scan in a child with mild cylindrical bronchiectasis in the right lower lobe showing airways with increased BAR and signet ring appearance. Pediatric guidelines define bronchiectasis as BAR >0.8[1].
CT: computed tomography; BAR: bronchoarterial ratio.
Courtesy of Anne B Chang, MBBS, FRACP, PhD, FAPSR, FAHMS, and Vikas Goyal, MBBS, DCH, FRACP, PhD.
Graphic 131113 Version 1.0
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