double compartment hydrocephalus

n.
  1. A form of hydrocephalus in which accumulations of fluid occur above and below the tentorium cerebelli because of an occlusion of the cerebral aqueduct.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.