Cartilaginous tumors are frequently encountered as small outgrowths from preexisting cartilaginous structures (ecchondroses) and as larger growths originating in cartilage or other tissues (enchondromas). Usually the larger neoplasms are readily diagnosed because of the tendency to cause visible deformity or symptoms of obstruction. Of all the bony structures the spine is singularly free from obstructive tumors of this type. It is because of the rare occurrence of this condition and the unusual pathologic aspects that the following case is reported.
REPORT OF A CASE
Clinical History.
—A negro, a laborer, aged 23, in September, 1918, was confined to the hospital for two weeks with an attack of influenza. In December, 1918, he complained of frequent "drawing and sharp, shooting" pains in the lower part of the abdomen and both lower extremities, accompanied and followed by marked weakness of the legs.In January, 1919, he suffered an attack of influenza. In