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At the November meeting of the Berlin Medical Society, Professor Virchow made some interesting observations on the diagnosis of tumors of the chest. He opened by saying that a helpful discrimination may be made at the outset by inquiring whether the tumor to be investigated is of the class which tends to ulceration, or to those that do not readily ulcerate. This being determined renders classification easier. To those tumors that do not tend to ulcerate, he has found, belonged the largest masses, and those that wrought the most extensive changes in the thorax: to this group belong the lympho-sarcomata. The point of origin of these growths is ordinarily in the deeper, and not in the peripheral portions of the chest. Cases are very rare in which the more external tissues serve as the starting-point. Lymphatic glands of various anatomical relations, as bronchial or mediastinal glands or tumors that have
THE DIAGNOSIS OF THORACIC TUMORS.. JAMA. 1892;XVIII(8):238-239. doi:10.1001/jama.1892.02411120026004