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Journal ArticleDOI

Epidermal growth factor receptor mutation in lung adenocarcinomas: relationship with CT characteristics and histologic subtypes.

TLDR
GGO volume percentage in tumors with exon 21 missense mutation was significantly higher than that in tumor status with other EGFR mutation status, and can be related to the fact that exon21 missense mutations was significantly more frequent in lepidic predominant adenocarcinomas, according to IASLE/ATS/ERS classification.
Abstract
Ground-glass opacity volume percentage in tumors with exon 21 missense mutation was significantly higher than that in epidermal growth factor receptor wild-type tumors and exon 19–mutated tumors.

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Journal ArticleDOI

Intrinsic dependencies of CT radiomic features on voxel size and number of gray levels.

TL;DR: The impact of slice thickness and pixel spacing on radiomics features extracted from Computed Tomography (CT) phantom images acquired with different scanners as well as different acquisition and reconstruction parameters was investigated.
Journal ArticleDOI

Reproducibility of radiomics for deciphering tumor phenotype with imaging.

TL;DR: Assessment of the reproducibility of a comprehensive, commonly-used set of radiomic features using a unique, same-day repeat computed tomography data set from lung cancer patients suggests that radiomic Features are reproducible over a wide range of imaging settings.
Journal ArticleDOI

Radiomic Features Are Associated With EGFR Mutation Status in Lung Adenocarcinomas.

TL;DR: Computed tomography-based radiomic features of peripheral lung adenocarcinomas can capture useful information regarding tumor phenotype, and the model built can be useful to predict the presence of EGFR mutations in peripheral lung carcinomas in Asian patients when mutational profiling is not available or possible.
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CT Radiogenomic Characterization of EGFR, K-RAS, and ALK Mutations in Non-Small Cell Lung Cancer

TL;DR: Air bronchogram, pleural retraction, small size relate to EGFR mutation in NSCLC, and ALK rearrangements were associated with age and pleural effusion, and KRAS mutation was associated with round shape, nodules in non-tumour lobes, and smoking.
Journal ArticleDOI

Defining a Radiomic Response Phenotype: A Pilot Study using targeted therapy in NSCLC.

TL;DR: This pilot study shows that radiomic data before treatment is able to predict mutation status and associated gefitinib response non-invasively, demonstrating the potential of radiomics-based phenotyping to improve the stratification and response assessment between tyrosine kinase inhibitors (TKIs) sensitive and resistant patient populations.
References
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Journal ArticleDOI

Activating mutations in the epidermal growth factor receptor underlying responsiveness of non-small-cell lung cancer to gefitinib

TL;DR: A subgroup of patients with non-small-cell lung cancer have specific mutations in the EGFR gene which correlate with clinical responsiveness to the tyrosine kinase inhibitor gefitinib, and these mutations lead to increased growth factor signaling and confer susceptibility to the inhibitor.
Journal ArticleDOI

International Association for the Study of Lung Cancer/American Thoracic Society/European Respiratory Society International Multidisciplinary Classification of Lung Adenocarcinoma

TL;DR: This new adenocarcinoma classification is needed to provide uniform terminology and diagnostic criteria, especially for bronchioloalveolar carcinoma (BAC), the overall approach to small nonresection cancer specimens, and for multidisciplinary strategic management of tissue for molecular and immunohistochemical studies.
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