INTRAMEDULLARY teratomas of the spinal cord are rare. In a recent review of the literature, Sachs and Horrax1 were able to gather only 25 cases of intraspinal teratoid and teratoma. This justifies the report of a case of a malignant trigerminal intramedullary tumor with clinical and pathological features which, so far as we have been able to ascertain, have not previously been reported.
REPORT OF CASE
Clinical Report.
—J. L., a white girl aged 11 years, was first admitted to University Hospital in November, 1948, because of progressive weakness of the legs without pain. Three weeks previously she had onset of "weakness of the knees" and a shuffling gait and began to fall frequently. One week before her admission her left leg became numb, and a few days later she was no longer able to walk. She had no bladder disturbance.Neurological examination revealed that the left leg was