The sclerosing hemangioma of the lung is a rare benign tumor. Its histogenesis has not been explained yet. Following the electron-microscopic and immunohistochemical researches, the opinions have been still unhomogeneous. Therefore, it is concluded that is a tumor of epithelial, endothelial, mesenchymal and even mesothelial origin. This study deals with this tumor. Its immunohistochemical analysis points at its epithelial character.