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 38

Muscular artery cystic necrosis. The black arrow points to preserved outer media, and the white arrows point to expanded alcian blue-positive extracellular matrix material in mid media. Movat stain ×25 (adapted from the World Journal Cardiovascular Diseases 2013.3 published online).