Skin plaque

Plaque
Plaque in chronic plaque psoriasis
SpecialtyDermatology
SymptomsWide raised lesion of skin or merger of multiple small bumps in the skin[1]

A plaque is a wide flat raised lesion of skin or merger of multiple small bumps in the skin.[1] It is typically larger than 1cm.[2] It is generally well defined, but can have a blurred border, and can usually be felt.[3] Plaques may be ring-shaped, half-moon shaped, have multiple sides, shaped like a snake, or have a mixed colour with varied appearance.[3]

Definition

Papule and Plaque

Signs and symptoms

  • Chronic plaque psoriasis
    Chronic plaque psoriasis
  • Milia-en-plaque
    Milia-en-plaque
  • Plaque - mycosis fungoides
    Plaque - mycosis fungoides
  • Plaque in mouth - lichen planus
    Plaque in mouth - lichen planus
  • Purplish polygonal plaques in lichen planus
    Purplish polygonal plaques in lichen planus

Reference

  1. 1 2 James, William D.; Elston, Dirk; Treat, James R.; Rosenbach, Misha A.; Neuhaus, Isaac (2020). "2. Cutaneous signs and diagnosis". Andrews' Diseases of the Skin: Clinical Dermatology (13th ed.). Edinburgh: Elsevier. p. 11. ISBN 978-0-323-54753-6. Archived from the original on 2022-04-17. Retrieved 2022-04-16.
  2. ↑ Langlais, Robert P.; Miller, Craig S.; Gehrig, Jill S. (2017). "18. Diagnostic and descritive terminology: macule, patch, erosion, ulcer". Color Atlas of Common Oral Diseases, Enhanced Edition (5th ed.). Burlington: Jones & Bartlett Learning. p. 22. ISBN 978-1-284-24098-6. Archived from the original on 2022-04-18. Retrieved 2022-04-17.
  3. 1 2 Oakley, Amanda. "Terminology in dermatology". dermnetnz.org. Archived from the original on 9 March 2022. Retrieved 16 April 2022.
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