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Psoriasis on the knuckles

Psoriasis on the knuckles

Overview

This is a picture of a typical case of psoriasis, with small lesions on the knuckles. Note the changes in the fingernails.

Review Date 2/27/2018

Updated by: David L. Swanson, MD, Vice Chair of Medical Dermatology, Associate Professor of Dermatology, Mayo Medical School, Scottsdale, AZ. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.