Difference between revisions of "CT Volumetry Biomarker Ctte"

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__NOTOC__
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{{TOCright}}
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This Wiki is for collaborative creation of QIBA's Volumetric CT Technical Committee materials and ongoing activities.
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:Co-chairs: Rudresh Jarecha, MBBS, DNB, DMRE; Ehsan Samei, PhD and TBD
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:RSNA Staff Support: Julie Lisiecki
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* [http://tinyurl.com/QIBA-CT-Vol-Roster Roster]
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* [https://docs.google.com/spreadsheets/d/1qbBHaJNTAqHnAcmCTHsNfDph7hMyJ3NoUjYSdilVw8w/edit#gid=267283460 Attendance & Voting Privileges]
  
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==Meetings==
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* Tcons are held periodically. Contact RSNA Staff for details.
  
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'''Mission''': Investigate the technical feasibility and medical value of quantifying longitudinal changes in volume with CT. 
 
  
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'''Initial Objectives''':
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'''Recent Call Summaries:'''
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:* Characterize the precision and accuracy of volumetric tumor measurements.
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*[[Media:06 29 2022 QIBA CT Volumetry BC Call-FINAL.pdf|06.29.2022 QIBA CT Volumetry BC Call Summary]]
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:: This will be an essential prelude for understanding the threshold that will be needed to classify longitudinal changes in tumor volume as medically meaningful surrogates for changes in health status.
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*[[Media:05 26 2022 QIBA CT Volumetry BC Call-FINAL.pdf|05.26.2022 QIBA CT Volumetry BC Call Summary]]
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:* Compare the sensitivity of volumetric measurements to RECIST/ World Health Organization (WHO) (conventional & modified) outcome measures.
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*[[Media:04 20 2022 QIBA CT Volumetry BC Call-FINAL.pdf|04.20.2022 QIBA CT Volumetry BC Call Summary]]
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:: This will be necessary in order to determine if Progressive Disease can be detected significantly sooner with volumetric techniques than with uni- or bi-dimensional line-lengths placed on a single slice.
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*[[Media:03 15 2022 QIBA CT Volumetry BC Call-FINAL.pdf|03.15.2022 QIBA CT Volumetry BC Call Summary]]
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*[[Media:02 15 2022 QIBA CT Volumetry BC Call-FINAL.pdf|02.15.2022 QIBA CT Volumetry BC Call Summary]]
  
  
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In a graphic, therapy assessment looks like this (this slide and the two following courtesy R. Avila):'''
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'''''[[CT Volumetry BC Call Summaries Archive]]'''''
  
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[[Image:Therapy Assessment.jpg]]
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==Profile Development==
  
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'''Status - Balloting Streamlined Profile'''
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*[[Media:QIBA Profile Streamlining Proposal - CTVol TumorVolumeChange-20220303.docx| CT Tumor Volume Change Profile - Streamlined]] Draft 2022.03.03
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*[[Media:QIBA Profile Streamlining Proposal - CTVol TumorVolumeChange-20211209.docx| CT Tumor Volume Change Profile - Streamlined]] Draft 2021.12.09
  
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'''The present defacto standard applies the following methodolgy:'''
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The Technically Confirmed Profile is on the [[Profiles]] page.
  
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[[Image:RECIST Baseline.jpg]]  
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'''Stage 4 Planning'''
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:* [https://docs.google.com/document/d/1Wcmkzp8N_2lLL-FCykNPwgsn1BJOs7Z9A1ZyTIkuGCo/edit?usp=sharing Draft Stage 4 Plan - Google Doc]
  
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'''Past and Future'''
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:* [[Archived Versions#Advanced_disease|Archived Versions]] of Profile-related documents.
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:* [[CTV-AD Considerations for Future Editions|Considerations for Future Editions of CTV-AD]]
  
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'''Our goals are to address bias and variance, which in turn outght to allow shorter trials and/or lower enrollments:'''
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==Groundwork Projects==
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These projects investigate (and resolve) scientific questions underlying QIBA Profile work.
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[[Image:We Can Do Better.jpg]]  
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* [[VolCT - Group 1A]] - Analyze Bias/Variance where Ground Truth is Known Deterministically
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* [[VolCT - Group 1B]] - Focus on Volume Change Analysis of Pulmonary Nodules in Diagnostic Settings
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* [[VolCT - Group 1C]] - Model Sources of Variability from a Systems Engineering Analysis
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'''To accomplish this,''' we adopt the following flow which represents the structure of our effort as well as the resulting output we achieve:
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* [[VolCT - Group 3A]] - Characterize variability due to algorithms (using phantoms / clinical data)
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* [[VolCT - Group 3B]] - Characterize clinical utility/efficacy with respect to clinical endpoints
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* [[VolCT - Colorado Group]] - Quantifying variability in measurement of pulmonary nodule
  
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[[Image:QIBA Process for VolCT.jpg]]  
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*[[Media:NIBIB-2 Proposal for CT Volumetry 16APR2012.pdf|NIBIB-2 Proposal for CT Volumetry]]''16-APR-2012''
  
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==Project Snapshot==
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==Reference Materials==
  
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'''[[Quantitative Response Metrics for Lung Cancer]]''' was selected as a useful concrete focus to get started.
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'''2012'''
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*Dr Mulshine's Presentation Materials from July 2nd adapted from the ATCC Website
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**[[Media:ATCC is an independent private nonprofit 7-3-12.pdf|ATCC is an independent, private, nonprofit biological resource center (BRC) and research organization.]]
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*[[Media:Why QIBA CT specifics.pdf|"Why QIBA?" - Specifics associated with CT device and software manufacturers.]]
  
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===Profiling Activities===
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'''2011'''
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Write Profile documents to which equipment and sites can conform to accomplish Quantification goals.
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*Dr Petrick's 2011 SPIE Presentation Materials
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*[[Media:Spie2011 NP QIBA1A-Talk-v05-final-1.pdf|“Evaluation of 1D, 2D and 3D nodule size estimation by radiologists for spherical and non-spherical nodules through CT thoracic phantom imaging” - Talk]]
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*[[Media:Spie2011 NP QIBA1A-Paper-v08-final-2.pdf|“Evaluation of 1D, 2D and 3D nodule size estimation by radiologists for spherical and non-spherical nodules through CT thoracic phantom imaging” - Paper]]
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*Compliance Documents: [[Media:Approach to Compliance 2011 08 15.pdf|QIBA Approach to Compliance-- ''Andrew J. Buckler, MS, Program Director, QIBA 08.15.11'']]
  
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* [[What Are Profiles?]]
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'''2010'''
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*[[Media:Quantification in Imaging-Dr Dirk Colditz-20100823.ppt|Quantification in Imaging-Dr Dirk Colditz]] ''August 23, 2010''
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*[[Media:Plan as of 11-8-10.jpg|Project plan]] ''.jpg version as of 11-8-10''
  
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* [[Profile Strategy for Vol CT]]
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==Reference Articles==
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** [[Profile: CT Lung Nodule Volume Measurement for Primary/Regional Nodes and Metastatic Sites]]
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*Are we ready? A time for measurement of physiological parameters of the lung using multidetector row CT scans. Hatabu H. Acad Radiol. 2009 Mar; 16(3):249. [http://www.academicradiology.org/issues/contents?issue_key=S1076-6332(09)X0002-4 Academic Radiology]
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** [[Profile: CT Lung Nodule Volume Change for Primary, Hilar and Medistinal Lymph Nodes]]
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* [http://radiology.rsnajnls.org/cgi/content/full/243/2/527#T2 Radiology 2007 - Coronary Calcium Scoring] - This paper by Dr. McCollough et al is may be seen to be analaogous to our work in that it addresses  similar issues (e.g. achieving "standard" noise levels).  It could be thought of as an early draft of a Calcium Scoring profile, including both groundwork and equipment specifications.
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** [[Profile: CT Lung Nodule Response]]
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*Helical multidetector row quantitative computed tomography (QCT) precision. Bligh M, Bidaut L, White RA, Murphy WA Jr, Stevens DM, Cody DD. Acad Radiol. 2009 Feb; 16(2):150-9. [http://www.academicradiology.org/article/S1076-6332(08)00499-6/abstract Academic Radiology]
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** [[Profile: CT Lung Nodule - Small Nodule in Neoadjuvant Setting]]
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*Comparison of the accuracy of CT volume calculated by circumscription to prolate ellipsoid volume (bidimensional measurement multiplied by coronal long axis). Rkein AM, Harrigal C, Friedman AC, Persky D, Krupinski E. Acad Radiol. 2009 Feb; 16(2):181-6. [http://www.academicradiology.org/article/S1076-6332(08)00530-8/abstract Academic Radiology]
  
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* [[Profile Template]] - still evolving
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*[[Archive - Initial Target Selection and Roadmap]]
  
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* [http://radiology.rsnajnls.org/cgi/content/full/243/2/527#T2 Radiology 2007 - Coronary Calcium Scoring] - This paper by Dr. McCollough et al is very analagous to our profiling work and addresses many similar issues (e.g. achieving "standard" noise levels).  It could be thought of as an early draft of a Calcium Scoring profile, including both groundwork and equipment specifications.
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==QIBA Funded Projects==
  
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===Groundwork Activities===
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'''Round 1'''
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Validate key concepts and answer key questions needed to write the Profiles and demonstrate their effectiveness.
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*[[Duke University]]
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*[[Columbia University Medical Center]]
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* [[VolCT - Group 1A]] - Analyze Bias/Variance where Ground Truth is Known Deterministically
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*[[University of Colorado Denver, Department of Radiology]]
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* [[VolCT - Group 1B]] - Focus on Volume Change Analysis of Pulmonary Nodules in Diagnostic Settings
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*[[David Geffen School of Medicine at UCLA, Department of Radiology]]
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* [[VolCT - Group 1C]] - Model Sources of Variability from a Systems Engineering Analysis
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*[[CoreLab Partners, Inc.]]
  
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* [[VolCT - Group 2]] - Set Standards for using Volumetric Imaging in Clinical Trials
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'''Round 2'''
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* [[COPD - Group]]
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*[[CoreLab Partners, Inc., Round-2]]
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*[[David Geffen School of Medicine at UCLA, Department of Radiology,Round-2]]
  
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==Working Documents==
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'''Round 3'''
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* [[Initial Target Selection]] - describing the early prioritization discussions and settling on Lung Tumor Volumes
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*[[Media:Second 3A Statistical and Image Processing Analysis.pdf| Project (F) Second 3A Statistical and Image Processing Analysis (Elucid Bioimaging Inc.)]]
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*[[Media:2008.12.16.Sources_of_Variability_-_Andrew_Buckler.xls|Sources of Variability - Andrew Buckler]]
 
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*[[Media:2008.09.15.Validation_Roadmap_VOL-CT_Image_Analysis.pdf|Validation Roadmap - P. David Mozley, MD]]
 
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*[[Media:2008.09.13-QIBA_Process-Groundwork_and_Profiling_Kevin_ODonnell.pdf|Process Groundwork & Profiling - Kevin O'Donnell]] - See also the '''[[Groundwork and Profiling|Wiki Version]]'''
 
  
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==Slide Presentations==
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'''Round 4'''
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*[[Media:Methodology and Reference Image Set for Volumetric Characterization and Compliance.pdf| Project (Q) Phantoms Methodology and Reference Image Set for Volumetric Characterization and Compliance (Duke University)]]
  
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*[[Media:Phantoms for CT Volumetry of Hepatic and Nodal Metastasis.pdf| Project (S) Phantoms for CT Volumetry of Hepatic and Nodal Metastasis (CUMC)]]
  
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*[[Media:Mr ODonnell QIBA Process Roadmap 20090629.ppt.pdf|Thoughts on the QIBA Process: Profiles, UPICT & Measurements by Kevin O’Donnell-20090629]]
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'''Round 5'''
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*[[Media:Reference Image Set for Quantitation Conformance of Algorithmic Lesion Characterization.pdf| Project (C) Reference Image Set for Quantitation Conformance of Algorithmic Lesion Characterization (Duke University)]]
  
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==Meetings / Call Summaries==
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'''Round 6'''
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*[[Call Summaries]]
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*[[Media:Methodology and Reference Image Set for Lesion Characterization in Terms of Texture and Morphology.pdf| Project (S) Methodology and Reference Image Set for Lesion Characterization in Terms of Texture and Morphology (Duke University)]]

Revision as of 20:01, 29 June 2022

Co-chairs: Rudresh Jarecha, MBBS, DNB, DMRE; Ehsan Samei, PhD and TBD
RSNA Staff Support: Julie Lisiecki

Meetings

  • Tcons are held periodically. Contact RSNA Staff for details.


Recent Call Summaries:


CT Volumetry BC Call Summaries Archive

Profile Development

Status - Balloting Streamlined Profile

The Technically Confirmed Profile is on the Profiles page.

Stage 4 Planning

Past and Future

Groundwork Projects

These projects investigate (and resolve) scientific questions underlying QIBA Profile work.

  • VolCT - Group 1A - Analyze Bias/Variance where Ground Truth is Known Deterministically
  • VolCT - Group 1B - Focus on Volume Change Analysis of Pulmonary Nodules in Diagnostic Settings
  • VolCT - Group 1C - Model Sources of Variability from a Systems Engineering Analysis
  • VolCT - Group 3A - Characterize variability due to algorithms (using phantoms / clinical data)
  • VolCT - Group 3B - Characterize clinical utility/efficacy with respect to clinical endpoints
  • VolCT - Colorado Group - Quantifying variability in measurement of pulmonary nodule

Reference Materials

2012

2011

2010

Reference Articles

  • Are we ready? A time for measurement of physiological parameters of the lung using multidetector row CT scans. Hatabu H. Acad Radiol. 2009 Mar; 16(3):249. Academic Radiology
  • Radiology 2007 - Coronary Calcium Scoring - This paper by Dr. McCollough et al is may be seen to be analaogous to our work in that it addresses similar issues (e.g. achieving "standard" noise levels). It could be thought of as an early draft of a Calcium Scoring profile, including both groundwork and equipment specifications.
  • Helical multidetector row quantitative computed tomography (QCT) precision. Bligh M, Bidaut L, White RA, Murphy WA Jr, Stevens DM, Cody DD. Acad Radiol. 2009 Feb; 16(2):150-9. Academic Radiology
  • Comparison of the accuracy of CT volume calculated by circumscription to prolate ellipsoid volume (bidimensional measurement multiplied by coronal long axis). Rkein AM, Harrigal C, Friedman AC, Persky D, Krupinski E. Acad Radiol. 2009 Feb; 16(2):181-6. Academic Radiology

QIBA Funded Projects

Round 1

Round 2

Round 3

Round 4

Round 5

Round 6

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