Disease or Syndrome
purpura
pur·pu·ra [ pur-pyoo r-uh ]
Subclass of:
Blood Coagulation Disorders;
Skin Manifestations;
Hemorrhage
Etymology:
Latin purpura = purple
Although this Latin word is certainly related to the older Greek porphyra = purple, the resulting terms have widely different uses in medicine today.
Although this Latin word is certainly related to the older Greek porphyra = purple, the resulting terms have widely different uses in medicine today.
Definitions related to purpura:
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A small blood vessel hemorrhage into the skin and/or mucous membranes. Newer lesions appear reddish in color. Older lesions are usually a darker purple color and eventually become a brownish-yellow color.NCI ThesaurusU.S. National Cancer Institute, 2021
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Purplish or brownish red discoloration, easily visible through the epidermis, caused by hemorrhage into the tissues. When the size of the discolorization is >2-3 cm it is generally called Ecchymoses (ECCHYMOSIS).NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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Purpura (from Latin: purpura, meaning purple") is the appearance of red or purple discolorations on the skin that do not blanch on applying pressure. They are caused by bleeding underneath the skin. This term refers to an abnormally increased susceptibility to developing purpura. Purpura are larger than petechiae." [HPO:probinson, PMID:11515831]Human Phenotype Ontology (HPO)The Human Phenotype Ontology Project, 2021
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Small blood vessel hemorrhage into the skin and/or mucous membranes presenting as red or purplish patches.NICHD Pediatric TerminologyU.S. National Cancer Institute, 2021
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Small hemorrhage in the skin, mucous membrane or serosal surface, or a group of hemorrhagic diseases characterized by purpuric lesions.CRISP ThesaurusNational Institutes of Health, 2006
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A disorder characterized by hemorrhagic areas of the skin and mucous membrane. Newer lesions appear reddish in color. Older lesions are usually a darker purple color and eventually become a brownish-yellow color.Common Terminology Criteria for Adverse EventsU.S. National Institutes of Health, 2021
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Purpura, presence of small hemorrhages in the skin, often associated with bleeding from body cavities and in tissues. It occurs as a result of failure of hemostasis (arrest of bleeding), which may be caused by damage to the wall of small arterial vessels (vascular purpura) in vitamin deficiency...Encyclopedia Britannica, Inc., 2020
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