The nephron segments of these medullary regions correspond to the nephrons of the renal cortex where widespread and irreversible cortical atrophy and apoptosis occur. 29 In addition, dilatation of ...

Evaluation of CSR immunostaining in cortical and medullary tubular nephron segments was based on the histomorphologic characteristics of tissue sections stained with hematoxylin and eosin and ...

In autosomal dominant polycystic kidney disease, the thousands of large, spherical cysts of various sizes throughout the cortex and medulla are derived from every segment of the nephron.

Medullary sponge kidney, also called Cacchi-Ricci disease, causes cysts to form in the small tubes inside the kidneys. It is present at birth, but doctors do not know the cause.