[Application of electron microscopy and immunohistochemistry to the study of malignant tumors: a review of their diagnostic importance]. / Aplicación de la microscopía electrónica y de la inmunohistoquímica a1 estudio de los tumores malignos: una revisión de su importancia diagnóstica.

The results of examining in the course of the past twenty years a considerable number of malignant tumors with transmission electron microscopy and immunohistochemistry are discussed. The neoplasms were divided into epithelial tumors, tumors of fusiform cells, malignant round cell tumors and tumors of endocrine nature. The main ultrastructural findings and the results of immunohistochemical studies were pointed out regarding their contributory role in the diagnosis as well as for the prognosis and treatment of patients with cancer.