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Interobserver Variation of Colonic Polyp Measurement at Computed Tomography Colonography  Gurjeet Dulku, MBBS, Chandra Hewavitharana, MBBS, MD, FRANZCR,

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Presentation on theme: "Interobserver Variation of Colonic Polyp Measurement at Computed Tomography Colonography  Gurjeet Dulku, MBBS, Chandra Hewavitharana, MBBS, MD, FRANZCR,"— Presentation transcript:

1 Interobserver Variation of Colonic Polyp Measurement at Computed Tomography Colonography 
Gurjeet Dulku, MBBS, Chandra Hewavitharana, MBBS, MD, FRANZCR, Tonya Halliday, MB ChB, MRCP, FRCR, FRANZCR, Duncan Ramsay, MBBS, MRCP, FRCR, FRANZCR, Richard Ho, MBBS, FRANZCR, Michael Phillips, BSc, MMedSci, Richard Mendelson, MB ChB, MRCP, FRCR, FRANZCR  Canadian Association of Radiologists Journal  Volume 70, Issue 1, Pages (February 2019) DOI: /j.carj Copyright © 2018 Canadian Association of Radiologists Terms and Conditions

2 Figure 1 Concordance between the computer-aided detection (CAD) and the manual measurements. Canadian Association of Radiologists Journal  , 44-51DOI: ( /j.carj ) Copyright © 2018 Canadian Association of Radiologists Terms and Conditions

3 Figure 2 Means of the axial, sagittal, coronal, 3-D endoluminal, and computer-aided detection (CAD) measurements. Canadian Association of Radiologists Journal  , 44-51DOI: ( /j.carj ) Copyright © 2018 Canadian Association of Radiologists Terms and Conditions

4 Figure 3 Histogram demonstrating distribution patterns of obtained measurements for 3-D endoluminal, axial, sagittal, and coronal reformats. Canadian Association of Radiologists Journal  , 44-51DOI: ( /j.carj ) Copyright © 2018 Canadian Association of Radiologists Terms and Conditions

5 Figure 4 Histogram demonstrating distribution pattern of obtained measurements for computer-aided detection. Canadian Association of Radiologists Journal  , 44-51DOI: ( /j.carj ) Copyright © 2018 Canadian Association of Radiologists Terms and Conditions

6 Figure 5 Images 1–4 demonstrate over-estimation of computer-aided detection (CAD) readings when compared to the largest of the manual measurements of the noted colonic polyp. (Image 1: CAD, Image 2: axial, Image 3: coronal, and Image 4: sagittal). This figure is available in colour online at Canadian Association of Radiologists Journal  , 44-51DOI: ( /j.carj ) Copyright © 2018 Canadian Association of Radiologists Terms and Conditions

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