[A case of convexity meningioma associated with chronic subdural hematoma].

There are 5 reported cases of meningioma complicated by chronic subdural hematoma so far as we reviewed. Considering frequency of occurrence, association of meningioma and chronic subdural hematoma is very rare. Recently, we experienced with a case of convexity menigioma complicated by chronic subdural hematoma. The patient was a 61-year-old woman who complained of headache and numbness of the left hand. She received hysteromyomectomy 28 years before but had no past history of trauma of the head. She suffered from frequent profound pain in both orbits for one year, and she consulted a neighboring practitioner due to occurrence of numbness of the left hand and malaise. Then, CT scan revealed abnormalities, so that she was referred to our center. On admission, neurological oxamination revealed no abnormalities but plain X-ray film of the skull showed a round destruction in the right parieral bone. CT scan showed a round high density area of 3 cm in diameter in the right parietal region, this is markedly enhanced with contrast media. There is a crescent-shaped low density area extending forward from the high density area. The body of the right lateral ventricle is totally collapsed. Selective arteriography of the right external carotid revealed tumor stain in the parietal region. Therefore, under the diagnosis of association of chronic subdural hematoma and convexity meningioma, craniotomy of the right frontal, parietal and temporal regions was carried out and a meningioma of 10 g, and a subdural hematoma with its capsule touching the maningioma were entirely extirpated.(ABSTRACT TRUNCATED AT 250 WORDS)