ICD-11 definition : Seborrhoeic keratoses are very common benign neoplasms of epidermal keratinocytes
which increase in prevalence and number with age. They are commonly multiple and are
very variable in shape and colour. Because of the sometimes intense pigmentation they
are frequently mistaken for melanocytic tumours.;
Seborrhoeic keratoses are very common benign neoplasms of epidermal keratinocytes
which increase in prevalence and number with age. They are commonly multiple and are
very variable in shape and colour. Because of the sometimes intense pigmentation they
are frequently mistaken for melanocytic tumours.