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. 2016 May 23;16:87. doi: 10.1186/s12890-016-0245-x

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© Piciucchi et al. 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — Serial CT images of a 63 years old male affected by IPF. UIP pattern has been diagnosed through surgical lung biopsy at diagnosis. CT shows the progressive worsening of the coarseness. In 2007 (a, b) a moderate peripheral fibrotic reticulation is present. In the following years it progressively gets worse, particularly in the right lower lobe, with increase of the extension of traction bronchiectasis in 2010 (c, d) and with honeycombing and traction bronchiectasis in 2014 (e, f)