Review Article

Segmental Arterial Mediolysis: A Multiguised Vasospastic Arteriopathy with Collateral Mesangial Cell Hyperplasia and Cardiac Toxicity Generated by Norepinephrine and Hyperdense Adrenoceptors Alone or by Crosstalk with Other Pressor Agents

Figure 4

Segmental arterial mediolysis, injurious phase. The arrow points to a longitudinal section of the coronary artery exhibiting transmural cytoplasmic hydropic change. The cell membranes of many scattered swollen myocytes are intact although some are disrupted. Hematoxylin & eosin ×200 (adapted from EC Cardiology 4(7) 2918, online publication).