Excoriation

Synonyms

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.

Course

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.

2.5 Excoriation