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diascopy

Procedure: - examination of superficial skin lesions with a flat piece of glass pressed against the lesion Clinical significance: - lesions that blanch on diascopy: - hemangioma - livedo reticularis - lesions that do not blanch on diascopy: - purpuric lesion caused by necrotizing vasculitis - petechiae - granulomas have an 'apple jelly' appearance

General

clinical procedure

References

  1. Stedman's Medical Dictionary 26th ed, Williams & Wilkins, Baltimore, 1995
  2. Harrison's Principles of Internal Medicine, 13th ed. Isselbacher et al (eds), McGraw-Hill Inc. NY, 1994, pg 273
  3. Rashid RM, Barros BS (image) Hidden Heart Disease: 19 Dermatologic Clues You Should Know. Medscape. June 13, 2017. http://reference.medscape.com/slideshow/hidden-heart-disease-6004452