Basal Cell Carcinoma : Skin cancer and the history of tanning
Basal cell skin cancers almost always occur in areas exposed to the sun: 80% show up on the head and neck. The face is particularly vulnerable. The most common form—nodular—usually shows up as a shiny bump and may bleed easily. It often ulcerates and crusts over. Superficial basal cell carcinoma forms a red, scaly, sometimes itchy spot and may have flecks of dark pigment. It’s often mistaken for a patch of dermatitis. Morpheaform, a rarer and more aggressive type, has a waxy white or yellow scarlike appearance and poorly defined borders.
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