A Member of the University of Maryland Medical System | In Partnership with the University of Maryland School of Medicine
Manchas de sangre; Hemorragias cutáneas
Es la presencia de parches y manchas purpurinas en la piel, órganos y en las membranas mucosas, incluyendo el revestimiento de la boca.
La púrpura ocurre cuando se juntan pequeños vasos sanguíneos o dejan escapar sangre bajo la piel.
Cuando las manchas de púrpura son muy pequeñas se denominan petequias y las grandes se llaman equimosis.
Las plaquetas ayudan a la coagulación de la sangre. Una persona con púrpura puede tener conteos de plaquetas normales (púrpuras no trombocitopénicas) o conteos plaquetarios bajos (púrpuras trombocitopénicas).
Las púrpuras no trombocitopénicas pueden deberse a:
La púrpura trombocitopénica puede deberse a:
Korman NJ. Macular, papular, vesicobullous, and pustular diseases. In: Goldman L, Ausiello D. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 465.
Coller BS, Schneidermann PI. Clinical evaluation of hemorrhagic disorders: the bleeding history and differential diagnosis of purpura. In: Hoffman R, Benz EJ, Shattil SS, et al. Hematology: Basic Principles and Practice. 5th ed. Philadelphia, Pa: Churchill Livingstone; 2008: chap 121.
A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org). URAC's accreditation program is an independent audit to verify that A.D.A.M. follows rigorous standards of quality and accountability. A.D.A.M. is among the first to achieve this important distinction for online health information and services. Learn more about A.D.A.M.'s editorial policy, editorial process and privacy policy. A.D.A.M. is also a founding member of Hi-Ethics and subscribes to the principles of the Health on the Net Foundation (www.hon.ch).
© 2011 University of Maryland Medical Center (UMMC). All rights reserved.
UMMC is a member of the University of Maryland Medical System,
22 S. Greene Street, Baltimore, MD 21201. TDD: 1-800-735-2258 or 1.866.408.6885