Superficial epidermal defect with loss usually extending no further than papillary dermis.
Size: mm to cm.
Location depends on etiology; may be isolated or localized.
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.
Impetigo, herpes simplex.
Epidermolysis bullosa simplex.
Inflammation, infection, trauma (scratching).