2.4 Erosion

Overview:

Definition/Description

Superficial epidermal defect with loss usually extending no further than papillary dermis
Color: red
Size: mm to cm

Localization

Location depends on etiology; may be isolated or localized.
Mucosal erosions.

Eiga

Often covered with crust, on rare occasions may heal with dyspigmentation.
Associated with vesicles, bullae, pustules.

Comment / Explanation

Superficial lesion which heals without atrophy or scarring because epidermis is capable of completely regenerating.

Typical Dermatoses

Impetigo, herpes simplex
Epidermolysis bullosa simplex
Pemphigus
Bullous pemphigoid

Pathophysiology

Inflammation, infection, trauma (scratching)

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