“…While both are surgical emergencies, phlegmasia alba dolens is associated with a much lower risk of major amputation than phlegmasia cerulea dolens [33]. If not treated promptly and aggressively, venous gangrene can develop, which carries a 20-50% amputation rate and a 20-40% mortality rate [21]. Patients who present with phlegmasia alba or phlegmasia cerulean dolens are best treated with therapeutic anticoagulation and thrombus removal [30].…”