2021
DOI: 10.1097/rti.0000000000000595
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Head-to-head Comparison of Qualitative Radiologist Assessment With Automated Quantitative Computed Tomography Analysis for Bronchiolitis Obliterans Syndrome After Hematopoietic Cell Transplantation

Abstract: Purpose: Computed tomography (CT) findings of bronchiolitis obliterans syndrome (BOS) can be nonspecific and variable. This study aims to measure the incremental value of automated quantitative lung CT analysis to clinical CT interpretation. A head-to-head comparison of quantitative CT lung density analysis by parametric response mapping (PRM) with qualitative radiologist performance in BOS diagnosis was performed.Materials and Methods: Inspiratory and end-expiratory CTs of 65 patients referred to a post-bone … Show more

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Cited by 6 publications
(3 citation statements)
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“…Previous methods of CT scan analysis for BOS detection rely on pre-defined procedures to identify patterns in the lung and cannot benefit from signs of BOS not captured by these procedures. 10,11,12,13,14,15,16,17,18 However, designing procedures to extract all pertinent information from the scans may not be feasible. Prior research suggests that BOS can manifest itself in non-obvious ways, including by alterations to the volume and surface of the airways, modifications of the volume of pulmonary vasculature 24,17 , and changes in the density of microvasculature 25,26 , all of which may affect the appearance of the scans.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Previous methods of CT scan analysis for BOS detection rely on pre-defined procedures to identify patterns in the lung and cannot benefit from signs of BOS not captured by these procedures. 10,11,12,13,14,15,16,17,18 However, designing procedures to extract all pertinent information from the scans may not be feasible. Prior research suggests that BOS can manifest itself in non-obvious ways, including by alterations to the volume and surface of the airways, modifications of the volume of pulmonary vasculature 24,17 , and changes in the density of microvasculature 25,26 , all of which may affect the appearance of the scans.…”
Section: Discussionmentioning
confidence: 99%
“…Ongoing research on computational methods to detect BOS from CT scans were designed to address the current limitations of CT imaging in BOS diagnosis. However, previous methods 10,11,12,13,14,15,16,17,18 rely on heavily engineered procedures for extracting information from the scans, and designing these procedures to maximize robustness in scans taken at different resolutions or respiration phases is not feasible. These drawbacks can be overcome by using a deep neural network (DNN) 19 , which have thus far not been used for BOS detection.…”
Section: Introductionmentioning
confidence: 99%
“…Chest CT is recommended for imaging evaluation of pulmonary GVHD and drug-induced pulmonary toxicities (Grade B; SOR 1.56, strong recommendation). 39,41,42,44,[66][67][68][69][70] On chest CT, GVHD can result in two distinct interstitial lung disease patterns: bronchiolitis obliterans and organizing pneumonia (Table 6).…”
Section: Chestmentioning
confidence: 99%