Sammendrag

• Chronic erythematous, scaly macule or papule, single or multiple. Most commonly located on areas of skin with prolonged sun exposure (e.g., face, lower lip, dorsum of the hands, forearms, bald areas of the scalp, and ears) of middle-aged or older men with light-coloured skin.
• Has the potential to progress into an invasive squamous cell carcinoma (SCC).
• Although diagnosed clinically, a biopsy may help to rule out SCC.
• Treatment consists of destructive methods (e.g., cryotherapy with liquid nitrogen, curettage with or without electrodesiccation, chemical peels, and photodynamic therapy) or topical medication (e.g., topical fluorouracil cream, imiquimod cream, and diclofenac gel).