Vascular CT Reader Study

Blinded pairwise review — synthetic chest CT.

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Vascular CT Reader Study
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CT A
CT B
Which CT has more anatomically plausible target arteries?
Does CT A contain a clear major anatomic error in a target artery?
Does CT B contain a clear major anatomic error in a target artery?
CT A — arteries with a clear error
CT B — arteries with a clear error
Unselected boxes mean not annotated, not normal.
My answers
Admin

Nine target arteries

Aorta
  • Ascending aorta
  • Aortic arch
  • Descending thoracic aorta
Pulmonary arteries
  • Main pulmonary artery
  • Left pulmonary artery
  • Right pulmonary artery
Arch branches
  • Right brachiocephalic (innominate) artery
  • Left common carotid artery
  • Left subclavian artery

Brachiocephalic means the artery, not the vein.

Instructions

Compare the nine target arteries. Assess their presence, origins, course, continuity, branching, and caliber. Choose the CT with more anatomically plausible arterial anatomy. Do not base the decision on nonvascular organs or general image attractiveness. Do not classify a plausible anatomic variant or low contrast alone as an anatomic error. A missing or distorted vessel is a study finding, not a reason to skip the scan.

A major error is an absent expected artery within the imaged region, an implausible origin or connection, a complete interruption, or a clearly impossible course or caliber. Use Uncertain when visibility prevents a confident major-error judgment. No means no clear major error identified, not proven normal anatomy.

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