Patient Education The patient information leaflets below are produced by the British Association of Dermatologists. Acne Basal Cell Carcinoma Bowen’s Disease Epidermoid and Pilar Cysts (previously known as Sebaceous Cysts) Hyperhidrosis Isotretinoin Keloids Keratoacanthoma Lentigo Maligna Melanocytic Naevi Melanoma in situ Melanoma (Stage 1) Melanoma (Stage 2) Melanoma (Stage 3) Melanoma (Stage 4) Skin Cancer: How to Reduce the Risk of Getting a Second One Squamous Cell Carcinoma