The occurrence of a teratomatous tumor in the pineal body of a female is very rare, only 1 instance being recorded in the literature (Luce1). The case to be reported is unusual both because of the large size of the tumor and because of its occurrence in a girl aged 6 months, who clinically presented the picture of slowly, progressively developing internal hydrocephalus.
REPORT OF A CASE
History.
—A white girl was admitted to the pediatric division of the Cook County Hospital on Jan. 26, 1937. She was born on Aug. 25, 1936, after a labor that lasted ten hours and was uneventful. Soon afterward, the child began to vomit after feeding, and she was taken to a nearby hospital, where bilateral ventricular puncture and lumbar puncture were done, with insertion of dye into one of the lateral ventricles. This showed free communication between the lateral ventricles but none