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Automated Midline Shift and Intracranial Pressure Estimation based on Brain CT Images
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Computer-based self-training for CT colonography with and without CAD.

Lapo Sali1, Silvia Delsanto2, Daniela Sacchetto2

  • 1Department of Biomedical, Experimental and Clinical Sciences "Mario Serio", University of Florence, Viale Morgani 50, 50134, Florence, Italy. lapo.sali@unifi.it.

European Radiology
|May 26, 2018
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Summary
This summary is machine-generated.

Computer-based self-training for CT colonography significantly improves novice readers' ability to detect lesions. However, incorporating computer-aided detection during training did not enhance learning outcomes for CT colonography interpretation.

Keywords:
CT colonographyEducationLearningVirtual colonoscopy

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Area of Science:

  • Radiology and Medical Imaging
  • Medical Education and Training
  • Gastroenterology

Background:

  • Novice readers require effective training methods for CT colonography (CTC) interpretation.
  • Computer-aided detection (CAD) is a tool that may assist in CTC interpretation.

Purpose of the Study:

  • To evaluate the effectiveness of computer-based self-training for improving novice CTC interpretation performance.
  • To determine if the use of CAD during training influences the learning curve for CTC.

Main Methods:

  • Twenty novice readers underwent a baseline assessment after an introductory CTC course.
  • Readers were randomized to computer-based self-training with or without CAD.
  • Per lesion sensitivity was the primary outcome measure, assessed before and after training.

Main Results:

  • A significant improvement in per lesion sensitivity was observed after self-training, both with and without CAD.
  • No significant impact of CAD use during training was found on per lesion sensitivity, per patient sensitivity, or specificity.
  • Average per lesion sensitivity increased from 74% to 83% (unassisted) and 83% to 87% (CAD-assisted).

Conclusions:

  • Computer-based self-training is effective in enhancing the per lesion sensitivity of novice CTC readers.
  • The inclusion of CAD as a second reader during the training phase does not significantly impact the learning of CTC interpretation skills.