ALTHOUGH intracranial chronic subdural hematoma is a well recognized and documented clinical entity, the occurrence of such a lesion in a spinal location has not heretofore been reported to my knowledge. The following case is presented as an example of such an occurrence.Case ReportA 40-year-old oilfield mechanic was admitted to the Medical Center Hospital on February 14, 1955, with a chief complaint of progressive weakness of the right leg of 5 years' duration.He gave a history of having been injured on February 28, 1950, while working under the floor of an oil derrick that was 5 feet . . .