Palmoplantar Hyperkeratosis: A Rare Cutaneous Manifestation of Juvenile Dermatomyositis

We report the case of a 12-year-old girl with juvenile dermatomyositis (JDM). She had a 12-month history of palmoplantar hyperkeratosis that was initially treated as eczema. We wish to alert clinicians to this rare cutaneous manifestation of JDM.