Figure 5: Intravascular thrombus formation in patients with SSc-PAH.
From: Optical coherence tomography evaluation of pulmonary arterial vasculopathy in Systemic Sclerosis

Coloured tracings represent endoluminal contours. (a,b) SSc-PAH; wall-adherent thrombus (c) SSc-PAH; wall-adherent thrombus and web.