TY - JOUR T1 - Pachydermoperiostosis: The Elephant Skin Disease JF - The Journal of Rheumatology JO - J Rheumatol SP - 1680 LP - 1681 DO - 10.3899/jrheum.170102 VL - 44 IS - 11 AU - CASSANDRA HONG AU - NATASA DEVIC AU - ALI ZAVAREH AU - AMIDEVI DESAI AU - NORA NG Y1 - 2017/11/01 UR - http://www.jrheum.org/content/44/11/1680.abstract N2 - Pachydermoperiostosis (PDP) was first described in 1868. Three forms have been identified: complete (clubbing, periostosis, pachyderma, and cutis verticis gyrata), incomplete (without cutis verticis gyrata), and forme fruste (pachyderma with minimal skeletal changes)1. Two genes have been associated, HPGD and SLCO2A12.A 27-year-old British Pakistani man presented with clubbing, hyperhidrosis, palmoplantar hyperkeratosis, and painful swollen knees … ER -