Neurosurgical aspects of unexplained unconsciousness.

Neurosurgical experiences and diagnostic difficulties with unconscious patients without diagnosis included cases of intracranial neplasia, cerebral arteriosclerosis, subdural hematoma, traumatic subcortical hemorrhage, subdural abscess, rheumatic encephalitis, spontaneous subarachnoid hemorrhage, subacute bacterial endocarditis and emboli, myocardial infarction and emboli, spontaneous subcortical hemorrhage, fat embolism, meningitis, drug intoxication, uremia, cases in which the cause of death was not clearly established, and phycomycosis of the central nervous system.