Basal cell carcinoma (BCC) is the most common cancer, accounting for nearly 75% of all skin cancers worldwide. Although it rarely results in death or metastatic disease, BCC can cause significant morbidity due to destructive local spread. Luckily, the accessibility of skin and the high prevalence of BCC have allowed a thorough characterisation of its pathogenesis, clinical presentation and histopathology and the course of BCC treatment is generally well understood. Rates of BCC have been reported to be increasing in many countries around the world as a result of the increasing longevity of the general population and sun exposure behaviours.

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