Köbner's phenomenon

[kœbnərz]

n.

An isomorphic cutaneous reaction occurring in response to trauma and affecting previously uninvolved sites in patients with psoriasis, lichen planus, and flat warts.isomorphic response

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.