PLG and peeling skin syndrome: Plasma ADMA, L-arginine and angiostatin levels were significantly higher in pSS patients (0.39 ± 0.08 vs. 0.36 ± 0.06 μmol/L, p = 0.05; 29.07 ± 6.7 vs. 25.4 ± 5.23 μmol/L, p = 0.01; 152.25 ± 60.99 vs. 120.07 ± 38.7 pg/mL, p = 0.0, respectively).