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Pitiriasis rosada - Symptom

Síntomas:

Los ataques duran casi siempre de 4 a 8 semanas y los síntomas pueden desaparecer hacia las 3 semanas o durar hasta 12 semanas.

La erupción comienza con una sola placa grande llamada parche heráldico. Después de varios días, aparecerán más erupciones cutáneas en el tórax, la espalda, los brazos y las piernas.

Las erupciones cutáneas:

  • A menudo son rosadas o rojo pálido
  • Son de forma ovalada
  • Pueden ser descamativas
  • Pueden seguir líneas en la piel o aparecer en un patrón de "árbol de navidad"
  • Pueden presentar picazón

Signos y exámenes:

El médico por lo general puede diagnosticar la pitiriasis rosada sobre la base de la apariencia de la erupción.

En raras ocasiones, se necesitan los siguientes exámenes:

  • Un examen de sangre para descartar una forma de sífilis que puede causar una erupción similar.
  • Una biopsia de piel para confirmar el diagnóstico.
  • Reviewed last on: 10/28/2010
  • Linda Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Habif TP. Psoriasis and other papulosquamous diseases. In: Habif TP, ed. Clinical Dermatology. 5th ed. Philadelphia, Pa: Mosby Elsevier;2009:chap 8.

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