Criteria

Score

1

2

3

4

5

Edge sharpness

Unacceptable

Suboptimal

Average

Above average

Excellent

Presence of artifact (streak, blotchy appearance)

Severely degraded beyond interpretation

Major degradation making interpretation difficulty

Mild degradation of image quality

Minimal artifacts apparent

No artifacts evident

Anatomical clarity:

Hepatic portal v eins

Not identified at all

First order branches somewhat distinguishable

First order branches well delineated

Second order branches well delineated

Third order branches well delineated

Rectal mucosa

Rectal lumen not identified

Rectal lumen somewhat visualized

Rectal mucosal folds barely identifiable

Rectal mucosal folds fairly distinct

Mucosa folds and serosal lining well demarcated

Gastric rugae

Gastric lumen not identified

Gastric lumen somewhat visualized

Gastric rugae partially identifiable

Gastric rugae fully visualized but folds mutually indistinct

Gastric folds mutually distinct

Ureters

Not identified at all

Proximal portion identified with difficulty

Proximal ureter well identified, mid ureter less evident

Mid ureter clearly identified, distal ureter less evident

Ureter clearly evident from UPJ to UVJ

Subjective impression overall:

Overall diagnostic acceptability

Nondiagnostic

Extremely limited value

Likely useful for a handful of indications

Useful for many routine indications

Useful for most conceivable indications

Score = 20% (sharpness/artifact) + 50% (anatomical clarity) + 30% (overall diagnostic acceptability)