2.5 Excoriation


Traumatic tissue defect reaching deep into papillary dermis, usually with sharp borders
Color: red
Size: mm to cm


Depending on etiology, usually localized or solitary, often linear.


May develop with crusts or necrosis.
Heals with scarring.
Associated with papules, nodules, erosions and superinfection.

Comment / Explanation

Excoriations are caused by scratching due to severe itching . Excoriations may provide access for pyogenic micro-organisms and the formation of crusts, pustules or cellulitis.

Typical Dermatoses

Prurigo simplex, prurigo nodularis, artefact dermatitis, dystrophic epidermolysis bullosa.


Tissue removed by trauma, usually scratching.

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