Table 1

Recommended Qualitative Stenosis Grading

Descriptive Lumen ObstructionQualitative Stenosis Grading
NormalAbsence of plaque/no luminal stenosis
MinimalPlaque with negligible impact on lumen
MildPlaque with no flow-limiting stenosis
ModeratePlaque with possible flow-limiting disease
SeverePlaque with probable flow-limiting disease

Adapted, with permission, from Raff et al. (17).

Qualitative coronary arterial stenosis grading as recommended by the Society of Cardiovascular Computed Tomography.