Prognosis is generally good, but factors such as depth of invasion and duration of<unk>  need to be considered. In primary<unk> D, if invasion of the underlying tissue is non-existent or even minimal, treatment options are more likely to be effective, however, if there are signs that the<unk>  has metastasised, the prognosis is usually poor.
Extramammary Paget's disease
Acral lentiginous melanoma
Arsenical keratosis
Acral fibrokeratoma
Hydrocarbon keratosis
Seborrheic keratosis
Lentigo maligna melanoma
Actinic keratosis