Large Korean population study compares pts w/ palmoplantar psoriasis vs psoriasis and PPP pts have more risk for ankylosing spondylitis (aOR 1.37) & Graves dz (aOR 1.4) but lower risk for PsA (aOR 0.54), SLE (0.67); Sjögren (0.70); vitiligo (0.53) https://t.co/0fv2vnFBPf https://t.co/PJMagIeZ2F