hypereosinophilic syndrome

[hī′pər-ē′ə-sĭn′ə-fĭlĭk]
n.
  1. A syndrome in which the concentration of eosinophils increases in peripheral blood with later infiltration into bone marrow, heart, and other organ systems, accompanied by nocturnal sweating, coughing, anorexia, weight loss, itching, skin lesions, and symptoms of Löffler's endocarditis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.