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Surg Neurol. 2000 Apr;53(4):312-5; discussion 315-7.

Spontaneous resolution of chronic subdural hematoma.

Author information

1
Institute of Neurosurgery, Second University of Naples, Viale Colli Aminei 2, 80131, Naples, Italy.

Abstract

BACKGROUND:

Spontaneous resolution of chronic subdural hematoma has rarely been reported in the literature, and its mechanism has not been fully investigated. Response to surgery has been very satisfactory; in fact, this is generally considered the treatment of choice.

METHODS:

From a series of 24 cases of chronic subdural hematomas, we observed five patients between 1996 to 1998. These patients showed headache and decrease of cognitive level, 4-5 weeks after minor head injury. Neurologic evaluation revealed only worsening of mental function according to Mini Mental State Examination (MMSE). Computed tomography (CT) scans showed brain atrophy and chronic subdural hematoma without increased intracranial pressure. These patients were treated by clinical observation and serial cerebral CT scans.

RESULTS:

After 7 to 10 days, all patients showed improvement of clinical signs. After 30 to 45 days, radiological disappearance or marked reduction in size of the hematoma and complete clinical recovery were obtained. No neurological deficits and no recurrences have been observed during follow-up (3 months to 2 years).

CONCLUSIONS:

We believe that age greater than 70 years, decreased cognitive level (MMSE = 21), brain atrophy, and absence of increase of intracranial pressure are clinical and radiological signs that allow one to choose conservative treatment.

PMID:
10825513
[Indexed for MEDLINE]

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