Abstract：
PURPOSE:Determine the ability of quantitative CT (QCT) in defining parenchymal density changes in acute pulmonary embolism (PE). MATERIAL & METHODS:Mean lung density (MLD) and percentage distribution values (PDV) were calculated in 34 patients suspected of PE using software application based on computerized volumetric anatomical segmentation. RESULTS:Total, left, and right MLD differed significantly between emboli positive(n=23) and negative(n=11) groups(p<0.006, p<0.009, p<0.014). PDVs differed between groups (p<0.05) except for LUZ and RLZ. When PE was present in lobe &/segment branches, PDVs were significantly lower except RUZ. CONCLUSION:QCT is a promising application for defining parenchymal density changes in PE revealing potential functional impact of emboli. This preliminary study suggests QCT could provide added value to CTPA in peripheral PE.
journal_name
Clin Imagingjournal_title
Clinical imagingauthors
Duman IE,Cimsit C,Yildizeli SO,Cimsit NCdoi
10.1016/j.clinimag.2016.11.005subject
Has Abstractpub_date
2017-01-01 00:00:00pages
157-163eissn
0899-7071issn
1873-4499pii
S0899-7071(16)30169-3journal_volume
41pub_type
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