Image: Plaque - Merck Manuals Consumer Version

Brought to you by

About Merck
Merck Careers
Research
Worldwide

Merck Manual

Consumer Version

The trusted provider of medical information since 1899

VIEW PROFESSIONAL VERSION

Enter search terms to find related medical topics, multimedia and more.

Advanced Search:

• Use “ “ for phrases
o [ “pediatric abdominal pain” ]
• Use – to remove results with certain terms
o [ “abdominal pain” –pediatric ]
• Use OR to account for alternate terms
o [teenager OR adolescent ]

Health Topics & Chapters

Plaque

This photo shows psoriasis, which typically appears as plaques covered with thick, silvery, shiny scales.

Photo provided by Thomas Habif, MD.

In these topics

Descriptions of Skin Marks, Growths, and Color Changes

IN THIS TOPIC