We have analysed 111 cases of subdural hygroma that were developed after various neurosurgical conditions including head injuries.
@ES The results were summarized as follows.
@EN 1) The peak incidence was the age of 50's and occured most frequently in male.
2) Causes were head injuries (91 cases), traumatic intracranial hematoma removal (10 cases), operation for intracranial aneurysms (4 cases), hypertensive intracerebral hemorrhage evacuation (2 cases), ventriculoperitoneal shunt (2 cases), brain
tumor
removal (1 case), arachnoid cyst excision (1 case), and cerebral infarction (1 case).
3) Acute subdural hematoma was most often associated with complex subdural hygroma.
4) Clinical manifestations were headache, altered mental state, disorientation, nausea in order.
5) Operations were underwent in 27 case and surgical complications were reaccumulation and pneumocephalus in order.
6) Mo tality rate was 6.3%.
7) The prognosis of the simple hygroma was very good, but the complex was not.
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