Superficial epidermal defect with loss usually extending no further than papillary dermis
Color: red
Size: mm to cm
2.4 Erosion
Definition/Description
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)