Pulmonary blastoma: an ultrastructural study emphasizing intestinal differentiation in lung tumors
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Features of intestinal differentiation, including the presence of brush borders, have been described previously in a pulmonary blastoma following xenotransplantation in athymic nude mice. This paper reports similar findings in a pulmonary blastoma subjected directly to electron microscopic study. Ultrastructural manifestations of intestinal differentiation in other types of primary lung tumors are also discussed.
Features of intestinal differentiation, including the presence of brush borders, have been described previously in a pulmonary blastoma following xenotransplantation in athymic nude mice. This paper reports similar findings in a pulmonary blastoma subjected directly to electron microscopic study. Ultrastructural manifestations of intestinal differentiation in other types of primary lung tumors are also discussed.