ectopic schistosomiasis

n.
  1. A clinical form of schistosomiasis that, rather than occurring at the usual site of parasitism, as in the mesenteric vein or hepatic portals, occurs at various unusual sites, such as the skin, brain, or spinal cord.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.