Most of the small sensitive nerves in the epicardium shows mononuclear infiltration of the perineurium (perineuritis, Figs. 12-14). Microscopically there is extensive Zenker's degeneration (Figs. 6-8) ...

However, generally the marker expression presented with inter-patient variability within the TZ. By contrast, GLUT1 was highly expressed in the perineurium of thickened nerve trunks, characteristic of ...