Bier spots are small, light macules usually found on the arms and legs of young adults, in which the intervening skin may seem

erythema Erythema (from the Greek , meaning red) is redness of the skin or mucous membranes, caused by hyperemia (increased blood flow) in superficial capillaries. It occurs with any skin injury, infection, or inflammation. Examples of erythema not asso ...

tous but blanches with pressure so that these light macules disappear.Freedberg, et al. (2003). ''Fitzpatrick's Dermatology in General Medicine''. (6th ed.). McGraw-Hill. . This is a

benign Malignancy () is the tendency of a medical condition to become progressively worse. Malignancy is most familiar as a characterization of cancer. A ''malignant'' tumor contrasts with a non-cancerous ''benign'' tumor in that a malignancy is not s ...

physiologic

vascular Blood vessels are the structures of the circulatory system that transport blood throughout the human body. These vessels transport blood cells, nutrients, and oxygen to the tissues of the body. They also take waste and carbon dioxide away from ...

anomaly of no significance clinically.

Diagnosis

The spots appear when the blood is congested with a bandage on the upper arm, e.g. with a blood pressure cuff. The spots also appear when the arms are slightly raised from the trunk (angle approx. 45°) and disappear again when the arms are stretched upwards.

Treatment

It is a physiological phenomenon that requires no treatment.

Diagnosis

Treatment

See also

References

Further reading