Table 4:

Morphology of MRA stenoses

Morphology	Stenoses^*
Smooth	56 (78%)
Irregular	14 (19%)
Concentric	68 (94%)
Eccentric	2 (3%)
Graduated	12 (17%)
Single	65 (90%)
Beading	8 (11%)

* MRA demonstrated a total of 72 stenoses.