Thrombophlebitis extending from thigh to involve iliofemoral vein causes

Answer- D. White legWhite leg (Phlegmasia alba dolens)- seen in ileofemoral thrombophlebitis.Phlegmasia alba dolens (white leg): This is characterised by aerial spasm resulting in pale, cold leg with diminished pulses, with blanching of the limb, more often seen in iliofemoral thrombophlebitis and is called milk leg of pregnancy.