Table 1 Classifications of atherosclerotic lesions used in pathology

From: Role of macrophage and smooth muscle cell apoptosis in association with oxidized low-density lipoprotein in the atherosclerotic development

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