Other conditions with symptoms similar to skin cancer

Several other skin conditions may have symptoms similar to skin cancer. These include:

• Noncancerous (benign) growths, such as cysts, warts, moles, skin tags, and scars.
• Precancerous growths, such as solar or actinic keratoses.
• Skin conditions such as eczema, psoriasis, or seborrheic keratosis.
• Inflammations caused by lupus.
• Fungal infections, such as ringworm.
• Bacterial infections, such as impetigo.
• Melanoma.