- Precancerous skin growth usually caused by sun exposure.
- Most common in the elderly and young individuals with fair skin.
- Flat red, brown, or skin-coloured scaly lesions areas that later develop a hard wart-like surface or rough and sandpapery.
- Common on sun-exposed areas such as face, scalp and chest.
- If untreated, 1 per cnt develop squamous cell carcinoma.
- Curettage and electrosurgery.
- Topical 5% fluorouracil or imiquimod.
- Minimize sun exposure and protect skin from the sun. Wear protective clothing and avoid midday exposure.
- Use high-quality sunscreens.
- Sunscreen for winter exposure.
- Non-cancerous painful inflammation of the cartilage caused by pressure on the skin.
- Usually affects middle-aged or elderly men.
- Nodules grow to about 6mm.
- Round or oval, slightly raised, with scaly or crusty surface.
- Central core which may discharge a small amount of scaly material.
- Right ear is affected more often than the left.
- Common and harmless, but painful.
- Corticosteroid cream or steroid injection.
- Antibiotic cream if ulcerated.
- Avoid excessive exposure to cold and sun.
- 10 -30 per cent recurrence rate after surgery.