Actinic chelitis is inflammation of the lip caused by chronic sun exposure. It almost always only affects the lower lip because it receives more UV radiation.
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An ulcer is an open sore in the skin or mucous membrane that is resistant to healing. This reduced healing is due to a decrease in circulation to the area.
Ichthyosis vulgaris is a genetic disorder of the skin that results in chronically dry, cracked, and scaly skin that resembles fish scales.
A pyogenic granuloma is a common and benign cutaneous tumor. Its formation is typically triggered by minor trauma, bacterial infection, or hormonal changes.
A syringoma is a benign tumor of the sweat gland that most commonly appears in clusters on the eyelids but may also appear elsewhere on the face, armpits, upper chest, navel and genitals.
