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wheal; welt

In dermatology: - macroscopic term referring to an itchy, transient, elevated area with variable blanching & erythema formed as the result of dermal edema. - superficial, pruritic, erythematous plaque, well demarcated & intermittently present [3] Etiology: Wheals may be associated with: 1) urticaria 2) urticarial vasculitis 3) insect bites 4) intradermal injection

General

skin lesion

References

  1. Cotran et al Robbins Pathologic Basis of Disease, 5th ed. W.B. Saunders Co, Philadelphia, PA 1994 pg 1174
  2. DeGowin & DeGowin's Diagnostic Examination, 6th edition, RL DeGowin (ed), McGraw Hill, NY 1994, pg 54
  3. Medical Knowledge Self Assessment Program (MKSAP) 19 Board Basics. An Enhancement to MKSAP19. American College of Physicians, Philadelphia 2022