Evaluation of Nevisense as Support Tool for the Diagnose of Keratinocyte Skin Cancer

Inclusion Criteria: * All male or female patients of any ethnicity, ≥ 18 years with skin lesions of a clinical uncertain diagnosis suspicious for KC (such as BCC, iSCC, BD or AK) Exclusion Criteria: * Metastases of recurrent lesions * Lesion located on acral skin, e.g. sole or palm * Lesion located on areas of scars, crusts, psoriasis or similar skin conditions * Lesion on hair-covered areas, e.g. scalp, beards, moustaches * Lesion located on genitalia * Lesion located in an area that has been previously biopsied or subjected to any kind of surgical intervention or traumatized * Lesion located on mucosal surfaces * Lesion with foreign matter, e.g. tattoo or splinter * Lesion and / or reference located on acute sunburn * Skin surface not measurable, e.g. lesion on a stalk * Skin surface not accessible, e.g. inside ears, under nails