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Pulmonary gas conducting interstitial pathway.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Radiology.
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2015 (English)In: Acta radiologica open, ISSN 2058-4601, Vol. 4, no 10Article in journal (Refereed) Published
Abstract [en]

In spite of the growing efforts oriented towards revealing different aspects of emphysema, the persistence of the emphysematous or emphysema-like changes (ELCs) is not explored yet in the open literature. In this study we demonstrate the persistence of an ELC for 22 years in a spontaneous pneumothorax (SP) patient which indicates a hitherto unknown gas supply to the ELC. For this purpose we used high resolution computed tomography (HRCT) images processed into three-dimensional (3D) geometry. By the same token, not only a long persistence but also the volume increase of this ELC between 2002 and 2010 was demonstrated. The 3D geometry visualized an aerated interstitial structure between the sites of supposed gas leakage at the wall of the third generation airways and the ELC. This potential gas conducting interstitial pathway is not a continuation and has neither the form nor the structure of a bronchus. The finding suggests that in this patient the intrabronchial gas passes through the bronchial wall and via a gas conducting interstitial pathway reaches the ELC. Despite the availability of the presently employed techniques for at least 15 years, such case and phenomenon have not been described previously. The retrieval of the patient suggests that the findings could be relevant for a considerable proportion of the population.

Place, publisher, year, edition, pages
2015. Vol. 4, no 10
National Category
Medical and Health Sciences Radiology, Nuclear Medicine and Medical Imaging
URN: urn:nbn:se:uu:diva-267875DOI: 10.1177/2058460115605682ISI: 000366019500001PubMedID: 26500785OAI: oai:DiVA.org:uu-267875DiVA: diva2:874736
Available from: 2015-11-27 Created: 2015-11-27 Last updated: 2016-01-25Bibliographically approved

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Jorulf, Håkan
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