Microscopically, lesions were characterized by infiltration of macrophages in the epicenter of acute lesions and the border of chronic active lesions (Figure 1C); perivascular lymphocytic cuffing ...

A repeat brain MRI scan performed approximately 2 weeks after the onset of symptoms revealed few changes in the right periventricular lesion, with concentric rings of hyperintensity observed on ...

Although percutaneous coronary intervention (PCI) can be performed successfully in most lesions, several difficult lesion subsets continue to present unique technical challenges. These complex ...