lichen urticatus

[ûr′tĭ-kātəs]
n.
  1. A form of urticaria occurring in children and characterized by the eruption of papular lesions or small papules and vesicles.papular urticaria
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.