Skin cancer accounts for most malignancies across the globe. They are primarily divided into melanoma and nonmelanoma skin malignancies. Nonmelanoma skin cancer includes basal cell carcinoma and squamous cell carcinoma. Fair skin and chronic ultraviolet B exposure are the most important risk factors. Primary prevention is achieved by avoiding sun exposure and tanning beds.
Keywords: Basal cell carcinoma; Dermoscopy; Excision margin; Histopathologic; Melanoma; Melanonychia; Squamous cell carcinoma.
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