Calcium

Deep Calcific plaque

Calcific Nodule

Superficial Calcific plaque

Presence of thick fibrotic cap, Non-Luminal Traditional Techniques-NC Balloons/Scoring/cutting

Superficial calcium, Luminal Protrusive, Attenuation present (probably due to thrombus) from thrombogenic surface.

Minimal to no fibrotic layer, depth of calcium likely measurable.