Differential diagnosis Renal diseases mainly due to hypoabluminemia and salt/water retention Associated with hematuria, proteinuria hypertention and impaired renal functional test Characteriastic of edema of renal origin puffiness of the face prominent in the periorbital areasDifferential diagnosis Renal diseases • Mainly due to hypoabluminemia and salt/water retention • Associated with hematuria, proteinurial, hypertention and impaired renal functional test • Characteriastic of edema of renal origin: puffiness of the face prominent in the periorbital areas