Table 1.

Composition of materials used to fabricate vessel phantoms.

	PVA %	${\mathrm{Al}}_2{\mathrm{O}}_3$ %	$\mathrm{SiC}$ %	Water $18\mathrm{M\Omega }$ (%)	Thermal cycles
Phantom #1: plaque	8	0	3	89	2
Phantom #1: vessel wall	8	0	1	91	5
Phantom #2: plaque	8	5	2	85	2
Phantom #2: vessel wall	8	5	0	87	5