What does Bier spots look like?
Bier spots are a benign vascular anomaly characterized by white spots on the skin surrounded by a pale halo of erythema (redness). They are more common on the arms, the legs and the trunk. They are better observed when a tourniquet is placed around the affected arm or leg, and become less obvious when raising it.
How do you get rid of Bier spots?
The lesions become imperceptible on diascopy (akin to nevus anemicus), with limb elevation or after the tourniquet is removed. Bier spots are idiopathic, self-limiting and except for counseling, require no treatment in most instances.
Are Bier spots harmful?
Bier spots are small, light macules usually found on the arms and legs of young adults, in which the intervening skin may seem erythematous but blanches with pressure so that these light macules disappear. This is a benign physiologic vascular anomaly of no significance clinically.
Are Bier spots common?
Bier spots were originally described in 1898 by Bier1 and are also called physiologic anemic macules, angiospastic macules and exaggerated physiologic speckled mottling of the skin. The condition is usually seen in people 20 to 40 years old and is more common in women than men.
Can stress cause Bier spots?
In some reported cases, the spots become more visible after emotional stress and less visible after physical activity.
What are bier spots?
Bier spots, also called physiologic anemic macules, are small white irregular spots on the skin usually seen on arms and legs of young adults that are thought to be due to vascular anomaly. In few cases they may also be seen on the trunk making the diagnosis more confusing.
What are bier spots on the liver?
Although Bier spots are considered as harmless physiologic response, they sometimes may represent systemic disease like scleroderma renal crisis, lymphoma and mixed cryoglobulinemia. So never underestimated the disease, always seek professional help before confirming the disease.
What causes bier spots on the kidney?
So, there is dilation of vessels in red area and constriction of vessels in pale areas. Although Bier spots are considered as harmless physiologic response, they sometimes may represent systemic disease like scleroderma renal crisis, lymphoma and mixed cryoglobulinemia.