COX reaction in non-parenchymal cells. COX reaction: numerous well stained mitochondria in lining cells of a bile duct (or capillary); a basal lamina is present. Adjacent hepatic parenchyma shows dark peroxisomes while mitochondria have only a few reactive cristae. Patient 1.
Roels et al. BMC Clinical Pathology 2009 9:4 doi:10.1186/1472-6890-9-4