– Actinic Keratoses : Rough, scaly patches caused by sun damage; precursors to squamous cell carcinoma.
– Basal Cell Carcinomas : Pearly or waxy bumps, often appearing on sun-exposed areas.
– Squamous Cell Carcinomas : Firm, reddened nodules or flat lesions with crusted surfaces.
– Seborrheic Keratoses : Harmless brown or black growths resembling stuck-on dirt, though sometimes mistaken for cancerous lesions.

Signs That a Skin Growth Is Serious

Below are additional red flags to watch for: