Ulcer of the skin (overview) L98.4

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Skin ulcer; Skin Ulcer; ulcer; Ulcer; Ulceration

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Deep tissue defect of the skin of different genesis, which reaches so deep that no surface or deep epithelium is left to re-epithelialize the defect. An ulcer can extend into the subcutis. It always heals with the formation of a scar.

An ulcer should be defined by its size, by describing its duration, depth, localisation (e.g. venous leg ulcer), surface (e.g. covered with pus), marginal condition and, if necessary, etiology (e.g. venous leg ulcer).

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A distinction is made between the duration of the tissue defect and the underlying causes and clinical pictures (see below).

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  1. Altmeyer P (2007) Dermatological differential diagnosis. The way to clinical diagnosis. Springer Medicine Publishing House, Heidelberg
  2. Nast A, Griffiths CE, Hay R, Sterry W, Bolognia JL. The 2016 International League of Dermatological Societies' revised glossary for the description of cutaneous lesions. Br J Dermatol. 174:1351-1358.
  3. Ochsendorf F et al (2017) Examination procedure and theory of efflorescence. Dermatologist 68: 229-242


Please ask your physician for a reliable diagnosis. This website is only meant as a reference.


Last updated on: 29.10.2020