Figure 11
From: Diverse arachnoid cyst morphology indicates different pathophysiological origins
Aberrant-type cyst. TEM micrographs from the luminal region of a cyst showing tightly packed cell profiles where the cytoplasm was almost completely occupied with masses of intermediate filaments. In (a) an organelle-rich cell is squeezed between filament-rich cells in both epithelial and sub-epithelial position, (b) shows a filament-rich cell with brush border-like microvilli towards cyst lumen.