This is a helpful clue to the diagnosis of guttate psoriasis. In this sign, gentle scraping of the scales (e.g. with a tongue depressor) reveals minute capillary bleeding.
This site is intended for the use
of healthcare professionals only. A licensed medical practitioner
should be consulted for diagnosis and treatment of any and all medical
conditions. Copyright 2010 Oxbridge Solutions Ltd®. Any distribution
or duplication of the information contained herein is strictly prohibited.
Oxbridge Solutions Ltd® receives funding from advertising but
maintains editorial independence.