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You are here : AllRefer.com > Health > Medical Symptoms > Purpura

Purpura

Alternate Names : Blood spots, Skin hemorrhages


Definition

Purpura is purple-colored spots and patches that occur on the skin, organs, and in mucus membranes, including the lining of the mouth.

Overview & Considerations

Purpura occurs when small blood vessels under the skin leak.

When purpura spots are very small, they are called petechiae. Large purpura are called ecchymoses.

Platelets help the blood clot. A person with purpura may have normal platelet counts (nonthrombocytopenic purpuras) or decreased platelet counts (thrombocytopenic purpuras).

Common Causes

Nonthrombocytopenic purpuras may be due to:

Thrombocytopenic purpura may be due to:

Pictures & Images

Henoch-Schonlein purpura on the lower legs
Henoch-Schonlein purpura on the lower legs

Henoch-Schonlein purpura on an infant's foot
Henoch-Schonlein purpura on an infant's foot

Henoch-Schonlein purpura on an infant's legs
Henoch-Schonlein purpura on an infant's legs

Henoch-Schonlein purpura on an infant's legs
Henoch-Schonlein purpura on an infant's legs

Henoch-Schonlein purpura on the legs
Henoch-Schonlein purpura on the legs

Meningococcemia on the calves
Meningococcemia on the calves

Meningococcemia on the leg
Meningococcemia on the leg

Rocky mountain spotted fever on the foot
Rocky mountain spotted fever on the foot

Meningococcemia associated purpura
Meningococcemia associated purpura

 
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Review Date : 4/17/2009
Reviewed By : Michael Lehrer, MD, Department of Dermatology, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.



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