USMLE AID on Twitter: ""Pencil in a cup" deformity - characteristic of PSORIATIC ARTHRITIS #USMLE #Step1 #Step2CK #Step3 #FOAMed #MedEd http://t.co/yO6v2DjvtB" / Twitter
psoriasis-pencil-in-cup | Misadventures of a wandering radiologist
Psoriatic arthritis: Epidemiology, diagnosis, and treatment
99P Psoriatic Arthritis; "pencil in cup" deformity - YouTube
Ivory Phalanx: A Specific and Not Widely Known Finding in Psoriatic Arthritis | Reumatología Clínica