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Computing infection distributions and longitudinal evolution patterns in lung CT images

Dongdong Gu, Liyun Chen, Fei Shan, Liming Xia, Jun Liu, Zhanhao Mo, Fuhua Yan, Bin Song, Yaozong Gao, Xiaohuan Cao, Yanbo Chen, Ying Shao (+7 others)
2021 BMC Medical Imaging  
Conclusions By segmenting the infection regions with a VB-Net and registering all the CT images and the segmentation results onto a template, spatial distribution patterns of infections can be computed  ...  Methods A VB-Net is designed to automatically segment infection regions in CT images. After training and validating the model, we segmented all the CT images in the study.  ...  To better understand the spatial pattern of COVID-19 infections in lungs at the population level as well as its evolution in the disease course, this study aims to construct the CT image distributions  ... 
doi:10.1186/s12880-021-00588-2 pmid:33757431 fatcat:4gl2cclgljhdnkweyo2ovwogqu

Chest X-ray findings in a large cohort of 1117 patients with SARS-CoV-2 infection: a multicenter study during COVID-19 outbreak in Italy

Valentina Vespro, Maria Carmela Andrisani, Stefano Fusco, Letizia Di Meglio, Guido Plensich, Alice Scarabelli, Elvira Stellato, Anna Maria Ierardi, Luigia Scudeller, Andrea Coppola, Andrea Gori, Antonio Pesenti (+19 others)
2020 Internal and Emergency Medicine  
We described key-patterns and their distribution on CXR in a large cohort of COVID-19 patients: GGO was the most frequent finding on baseline CXR, while we found an increase in the proportion of lung consolidation  ...  The most frequent pattern on baseline CXR was the GGO (66.1%), on follow-up was consolidation (53.4%). The most common distributions were peripheral and middle-lower lung zone.  ...  the CXR findings. c CXR in antero-posterior view shows bilateral reticular pattern with diffuse distribution on both axial and longitudinal plane. d Coronal reformatted CT image confirms the presence  ... 
doi:10.1007/s11739-020-02561-3 fatcat:lth7ws4eujfpnh6rq4amrj7fkq

COVID-19 pneumonia: a review of typical CT findings and differential diagnosis

Chahinez Hani, Nghi Hoang Trieu, Inès Saab, Séverine Dangeard, Souhail Bennani, Guillaume Chassagnon, Marie-Pierre Revel
2020 Diagnostic and Interventional Imaging  
In this review, we present the typical CT features of COVID-19 pneumonia and discuss the main differential diagnosis.  ...  Computed tomography (CT) can be used as an important complement for the diagnosis of COVID-19 pneumonia in the current epidemic context.  ...  Conflicts of interest The authors have no conflicts of interest to disclose in relation with this article.  ... 
doi:10.1016/j.diii.2020.03.014 pmid:32291197 pmcid:PMC7129663 fatcat:fqppw6o3tnck5edn6baz2iwht4

Chest CT Findings and Their Temporal Evolution in COVID-19 Pneumonia

Sandhya K Hemraj, M. J Jacob, Vidyashree Kotian, Sachin D K., Geetha R G., Lilly B Veliath
2022 Cureus  
Distribution of opacities on axial sections, ancillary findings, and co-existent lung diseases were recorded.  ...  Chest CT plays an important role in the diagnosis, triage, and treatment of affected individuals. We describe the findings on chest CT and their temporal evolution in COVID-19 pneumonia.  ...  [12] et al. conducted a study to determine the chest CT manifestations of COVID-19 and its temporal evolution[11].They concluded that the main imaging features of COVID-19 infection are simple groundglass  ... 
doi:10.7759/cureus.26021 pmid:35865431 pmcid:PMC9293274 fatcat:zamoyph3ejhtrlcinl4ngs2v7q

Variable computed tomography appearances of COVID-19

ZY Lim, HW Khoo, TCH Hui, SXS Kok, KEL Kwan, BE Young, CH Tan, GJL Law
2020 Singapore medical journal  
In one patient, we noted evolution of CT findings, where there was interval resolution of bilateral lung consolidation with development of bronchiolectasis and subpleural fibrotic bands.  ...  Computed tomography (CT) has been described as a diagnostic modality in the COVID-19 diagnosis and treatment plan. We present a case series with virologically confirmed COVID-19 pneumonia.  ...  (4) (5) (6) (7) (8) Multifocal bilateral lung involvement, predominantly in the lower lobes and peripheral distribution, was the most common pattern of distribution seen in COVID-19 pneumonia.  ... 
doi:10.11622/smedj.2020066 pmid:32312025 pmcid:PMC7926601 fatcat:zceomknkjzde5n5jgqp3frlwu4

Thin-Section CT Characteristics and Longitudinal CT Follow-up of Chemotherapy Induced Interstitial Pneumonitis

Han Na Lee, Mi Young Kim, Hyun Jung Koo, Sung-Soo Kim, Dok Hyun Yoon, Jae Cheol Lee, Jin Woo Song
2016 Medicine  
To describe the computed tomography (CT) features of chemotherapy-induced interstitial pneumonitis (CIIP) with longitudinal follow-up.The study was approved by the local ethics committee.  ...  Use of a CT pattern-recognition approach to CIIP is appropriate and practical in interpreting radiological findings.  ...  longitudinal CT follow-up.  ... 
doi:10.1097/md.0000000000002460 pmid:26765442 pmcid:PMC4718268 fatcat:wn3ou73w2badrfyle3ux6wrvta

Chest CT Features of 182 Patients with Mild Coronavirus Disease 2019 (COVID-19) Pneumonia: A Longitudinal, Retrospective and Descriptive Study

Huaping Liu, Shiyong Luo, Youming Zhang, Yuzhu Jiang, Yuting Jiang, Yayi Wang, Hailan Li, Chiyao Huang, Shunzhen Zhang, Xili Li, Yiqing Tan, Wei Wang
2020 Infectious Diseases and Therapy  
The evolution of computed tomography (CT) findings in patients with mild coronavirus disease 2019 (COVID-19) pneumonia has not been described in detail.  ...  In the dynamic evolution of 10 stages, the total lesion CT score peaked during stage 3 (9-11 days) and stage 6 (17-18 days), with scores = 7.19 ± 3.66 and 8.00 ± 4.57, respectively.  ...  The observers reviewed the image features as follows: lung involvement, extent of lesion involvement, predominant location, margin definition, distribution, lung segments of lesion distribution, number  ... 
doi:10.1007/s40121-020-00352-z pmid:33067768 fatcat:dyt3nl2devby7crk3e7ldzvp54

Longitudinal changes of pneumonia complicating novel influenza A (H1N1) by high-resolution computed tomography

Feng Feng, Ganlin Xia, Yuxin Shi, Zhiyong Zhang
2015 Radiology of Infectious Diseases  
Serial HRCT scans in 39 patients with pneumonia complicating novel influenza A (H1N1) were reviewed for predominant patterns of lung abnormalities as well as distribution and extent of involvement.  ...  To assess lung lesions in patients with pneumonia complicating novel influenza A (H1N1) by serial high-resolution computed tomography (HRCT) during the early, progressive and convalescent stages.  ...  The patterns, extent, distribution and mean CT scores of the lung lesions by HRCT scans at different time points were shown in detail in Table 2 .  ... 
doi:10.1016/j.jrid.2015.06.001 pmid:32289066 pmcid:PMC7104186 fatcat:4w63bkuc7fcxhmvxdmh5za4oja

2019 novel coronavirus (COVID-19) pneumonia: CT manifestations and pattern of evolution in 110 patients in Jiangxi, China

Jie Zhan, Haijun Li, Honghui Yu, Xiaochen Liu, Xianjun Zeng, Dechang Peng, Wei Zhang
2020 European Radiology  
To elucidate the CT manifestations and patterns of evolution in patients with COVID-19 pneumonia. This is a retrospective review of CT scans of 110 patients.  ...  Numerous characteristics of pulmonary and extrapulmonary abnormalities and recognizable patterns of evolution were evaluated.  ...  Acknowledgments The authors would like to express their appreciation to the many members of the frontline medical staff for their selfless dedication and heroic dedication in the face of COVID-19 outbreak  ... 
doi:10.1007/s00330-020-07201-0 pmid:32852587 pmcid:PMC7450162 fatcat:pdg6px6ahngivjpi7qhvfs4iau

The evolution of chest CT findings from admission to follow-up in 30 moderate to severe adult patients with COVID-19 pneumonia

Yunfeng Zhou, Hao Ren, Shuo Wang, Feng You, Lei Feng, Minhong Wang, Jiangtao Wang
2021 Chinese Journal of Academic Radiology  
To analyze the evolution of chest computed tomography (CT) findings from admission to follow-up in moderate to severe patients with coronavirus disease-19 (COVID-19) pneumonia.  ...  The dynamic evolution of CT manifestation in moderate to severe COVID-19 pneumonia patients followed a specific pattern over time.  ...  Science for their dedicated and tireless effort in the fight against Covid-19.  ... 
doi:10.1007/s42058-021-00058-2 pmid:33718774 pmcid:PMC7937430 fatcat:fs5ycmatgrewxpxrlsffoxzdv4

Clinical characteristics and longitudinal chest CT features of healthcare workers hospitalized with coronavirus disease 2019 (COVID-19)

Huaping Liu, Shiyong Luo, Hailan Li, Youming Zhang, Chiyao Huang, Xili Li, Yiqing Tan, Mingna Chen
2020 International Journal of Medical Sciences  
The crazy-paving pattern (20, 54%), air bronchogram (13, 35%), and pleural effusion (2, 5%) were the most common CT features in stage 2.  ...  Each stage included 39, 37, 34 and 32 CTs, respectively. Bilateral lesions, multifocal lesions and lesions with GGO pattern occurred in both lower lobes at all stages.  ...  Acknowledgments We thank the frontline medical staff for their hard work and selfless dedication in the face of the pandemic, despite the risk of infection to themselves and their families.  ... 
doi:10.7150/ijms.48696 pmid:33162792 pmcid:PMC7645347 fatcat:jzeuqir2brejbnfutgxcqyl2wu

COVID-19 pneumonia: current evidence of chest imaging features, evolution and prognosis

Anna Rita Larici, Giuseppe Cicchetti, Riccardo Marano, Lorenzo Bonomo, Maria Luigia Storto
2021 Chinese Journal of Academic Radiology  
Chest imaging, with X-ray and high-resolution computed tomography (HRCT), plays an important role in the initial evaluation and follow-up of patients with COVID-19 pneumonia.  ...  This review highlights the current knowledge of imaging features of COVID-19 pneumonia and their temporal evolution over time, and provides recent evidences on the role of chest imaging in the prognostic  ...  In this regard, Shi et al. identified four different patterns of longitudinal evolution on CT scans in patients with variable disease severity [27] .  ... 
doi:10.1007/s42058-021-00068-0 pmid:33969266 pmcid:PMC8093598 fatcat:3muhnlua55fgdegblqlqp2tncm

Typical and atypical COVID-19 computed tomography findings

Damiano Caruso, Tiziano Polidori, Gisella Guido, Matteo Nicolai, Benedetta Bracci, Antonio Cremona, Marta Zerunian, Michela Polici, Francesco Pucciarelli, Carlotta Rucci, Chiara De Dominicis, Marco Di Girolamo (+3 others)
2020 World Journal of Clinical Cases  
Despite of lower specificity, chest computed tomography (CT), as reported in manifold scientific studies, showed high sensitivity, therefore it may help in the early detection, management and follow-up  ...  distribution; parenchymal consolidations with or without air bronchogram; interlobular septal thickening; crazy paving pattern, represented by interlobular and intralobular septal thickening surrounded  ...  ACKNOWLEDGEMENTS The authors would like to acknowledge the entire Radiological Medical, Technical and Nursing Staff for skillful technical assistance.  ... 
doi:10.12998/wjcc.v8.i15.3177 pmid:32874972 pmcid:PMC7441270 fatcat:pndtegqdybhdfbza6vjpkt4rhm

CT Imaging Evolution of Novel Coronavirus Pneumonia during Hospitalization

Abdulfatah Hassan Maqul, Allauddin Barak, Yili Zhang, Youmin Guo
2020 Open Journal of Radiology  
There were more consolidation and mixed patterns in  ...  , distribution of lesions whether it is lobular, lobar, unilateral or bilateral, and comparing the severity of disease in relation to the CT findings.  ...  By the third CT examination, the number of lesions was reduced to 77, and the main pattern is multiple lesions distributed around both lung fields.  ... 
doi:10.4236/ojrad.2020.103013 fatcat:6ivxpmoqnjbzfj4iumamu7si7i

A pattern categorization of CT findings to predict outcome of COVID-19 pneumonia [article]

Chao Jin, Yan Wang, Carol C. Wu, Huifang Zhao, Ting Liang, Zhe Liu, Zhijie Jian, Runqing Li, Zekun Wang, Fen Li, Jie Zhou, Shubo Cai (+8 others)
2020 medRxiv   pre-print
Remarkable evolution was observed in Pattern0-2 and Pattern3-4 within 3 and 2 weeks after symptom-onset, respectively; most of patterns remained thereafter.  ...  Significant differences between pattern-categories were found in age, disease-severity, comorbidity and laboratory results (all P<0.05).  ...  CT image demonstrates mixed consolidation and interlobular septal thickening with diffused distribution of both lungs.  ... 
doi:10.1101/2020.05.19.20107409 fatcat:wwh7ebdhwfcgdoojife4xtjmyu
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