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3D Computer-Aided Diagnosis (CAD)
in Radiology
Hiro Yoshida, PhD
3D Imaging Research
Massachusetts General Hospital
Harvard Medical School
Computer-Aided Diagnosis
Scanners
Computers
Readers
(CT, MR, US,…)
Image
acquisition
CAD
processing
Diagnosis
Computer-Aided Diagnosis
CAD provides human readers with
location (and characterization) of potential lesions
final diagnostic decision is made by the reader
Look here !
Expected Benefits of CAD
Improve diagnostic performance
increase sensitivity and specificity
decrease inter- and intra-reader variability
Improve productivity
read more cases without significantly increasing
interpretation time
Improve patient management
provide patients with exams options
provide physicians with decision support
Visualization
Decision support
Diagnosis
Image acquisition
CAD
Segmentation &
Quantification
Recognition &
Modeling
High-throughput Medicine with CAD
Feedback diagnostic results while a patient is
on the scanner table.
Determine whether the patient requires further
scanning or to be sent to the OC.
Real-time
diagnosis
Fiber channel
MDCT Scanner
Scanned
images
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