[Spinocellular epithelioma. Risk factors in the occurrence of metastasis. Study of 650 cases]. / Epitelioma espinocelular. Factores de riesgo en la aparición de metástasis. Estudio de 650 casos.

An evaluation is made of the clinical and histological parameters of 650 cases of spinocellular epitheliomas. The statistical study shows metastasis to be related to tumor location, tumor size, Broder's grading and acantholysis.