Table 1 Classifications of atherosclerotic lesions used in pathology
Histological classification of lesions | Additional terms (often based on appearance with the unaided eye) | ||
---|---|---|---|
Type I | Isolated macrophage foam cells | Fatty dot, fatty streak | Early lesion, minimal lesion |
Type II | Multiple foam cell layers | ||
Type III | Preatheroma, intermediate lesion | ||
Type IV | Atheroma | Fibrolipid plaque, Fibrous plaque, plaque | Advanced lesion, raised lesion |
Type V | Fibroatheroma | ||
Type VI | Fissured, ulcerated, hemorrhagic, thrombotic lesion | Complicated lesion | |
Type VII | Calcific lesion | Carcified lesion | |
Type VIII | Fibrotic lesion |