2.5 Excoriation

Vue d'ensemble :

Synonymes

None.

Definition/Description

Traumatic tissue defect reaching deep into papillary dermis, usually with sharp borders.


Color: red.


Size: mm to cm.

Localization

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

Cours

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.


Artefacts.

Typical Dermatoses

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

Pathophysiology

Tissue removed by trauma, usually scratching.

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