The road for several studies addressing its role as a biomarker of cardiovascular inflammation (Figure 2) independently of other acute phase proteins such as CRP. 5.1. PTX3 in Subclinical Atherosclerosis and Peripheral Vascular Diseases. Ultrasound detection and quantification of the common carotid artery wall thickness (intima-media thickness, IMT) (CCA-IMT) is considered a surrogate marker of su