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There are also a number of other conditions that affect hands, feet, and parts of the face with associated skin color changes that need to be differentiated from acrocyanosis: Raynaud phenomenon, pernio, acrorygosis, erythromelalgia, and blue finger syndrome. The diagnosis may be challenging in some cases, especially when these syndromes co-exist.
Raynaud syndrome, also known as Raynaud's phenomenon, is a medical condition in which the spasm of small arteries causes episodes of reduced blood flow to end arterioles. [1] Typically the fingers, and, less commonly, the toes, are involved. [1] Rarely, the nose, ears, nipples, or lips are affected. [1]
The condition, which can be a disease, syndrome or phenomenon, causes blood vessels to narrow in response to cold or stress so that little or no blood flows to the affected body parts — most ...
Eosinophilic fasciitis affects the connective tissue surrounding skeletal muscles, bones, blood vessels, and nerves in the arms and legs. Graft-versus-host disease is an autoimmune condition that occurs as a result of bone-marrow transplants in which the immune cells from the transplanted bone marrow attack the host's body.
Furthermore, mongolian spots, large birthmarks, and the consumption of food products with blue or purple dyes can also result in the bluish skin tissue discoloration and may be mistaken for cyanosis. [ 2 ] [ 3 ] Appropriate physical examination and history taking is a crucial part to diagnose cyanosis.
Myxedema coma is rare but often fatal. It occurs most often in elderly women and may be mistaken for one of the chronic debilitating diseases common to this age group. [9] Though the exact cause of myxedema is still unclear, a wealth of research has demonstrated the importance of iodine. [10]
Livedo reticularis is a common skin finding consisting of a mottled reticulated vascular pattern that appears as a lace-like purplish discoloration of the skin. [1] The discoloration is caused by reduction in blood flow through the arterioles that supply the cutaneous capillaries, resulting in deoxygenated blood showing as blue discoloration ().
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