Callen J P
Prim Care. 1978 Jun;5(2):299-311.
Squamous cell carcinoma of the skin is not an uncommon problem. It is often accompanied or preceded by actinic keratoses, arsenical keratoses, or other skin cancers. The most common cause is exposure to sunlight. This paper will deal with squamous cell cancer of the skin and actinic keratoses.
皮肤鳞状细胞癌并非罕见问题。它常伴有光化性角化病、砷角化病或其他皮肤癌，或在这些疾病之前出现。最常见的病因是阳光照射。本文将探讨皮肤鳞状细胞癌和光化性角化病。
