Among the intracranial tumors, giving rise usually to symptoms of increased intracranial pressure and sometimes to extracranial signs and symptoms, are found a certain number of sarcomas.
Statistics of intracranial tumors have accumulated slowly. This is not by reason of infrequency, but because, as Dr. Harvey Cushing1 says, "The progress of the disease is a lamentably slow one, and patients with comparative infrequency end their days in a hospital; hence it is unusual for them to figure largely in hospital reports."
In the surgical service of Johns Hopkins Hospital2 the number of patients with diagnosis of brain tumor has risen from 0.06 per cent, in the first 5,000 to 0.2 per cent. in the second 5,000; to 0.3 per cent, in the third 5,000; to 0.75 per cent. in the fourth 5,000, and to 1.3 per cent. in the last 3,000, which shows the rapid increase when particular
ROYCE CE. SARCOMA OF THE BASE OF THE SKULL. JAMA. 1916;LXVI(17):1288–1291. doi:10.1001/jama.1916.02580430006002
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