事实上，在那些光照强烈的地区，还有人在20多岁的时候就得了日光性角化病和皮肤癌。

In fact, some people who live in sun-intense areas develop actinic keratoses and skin cancer in their 20s.

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结果显示角化型基底细胞癌组有异倍体16例，毛发上皮瘤组30例均为二倍体。

The results showed 16 of 30 specimens from keratinized type of basal cell epithelioma were aneuploid and 30 specimens from trichoepithelioma were all diploid.

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日光性角化病通常由过度暴晒而引起，有可能会是面板癌的前兆，就医咨询检查。

Solar keratoses, however, are triggered by sun damage and are an early warning of skin cancer, so seek advice.

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