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KMID : 0378019840270030109
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New Medical Journal
1984 Volume.27 No. 3 p.109 ~ p.120
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A Statistical Study of Intracranial Neoplasms
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Abstract
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The author performed a statistical analysis of 178 cases of intracranial, tumors which were verified by surgical operation from 1972 to September 1982 in the Department of Neurosurgery, Korea University, Seoul, Korea. The WHO classification and terminology for intracranial tumors were adopted for this study.
Gliomas, were the most common intracranial tumors in our series and accounted for 37.3% (67cases). The next common tumors .were meningiomas (18.5%), pituitary adenomas (15.2%) and metastatic carcinomas (6.7%) in order of frequency.
This studies noted male to female ratio of 1.12 to 1 in patients with all types of brain tumors. Greater sexual predilection occurred with some tumors in which tumors occurring more frequently in women were astrocytoma, glioblastoma and meningioma.
In our series, Forty-seven patients with tumors were aged 31 to 40 (25%), forty-one were 41 to 50 (23%) and thirty-two were 11 to 20.
There were 33 cases meningiomas in our series of 178 tumors, making up l8. 5% of brain tumors. Eight of them were situated in parasagittal region, 8 in convexity, 5 in sphenoid ridge and 4 in anterior fossa.
There were 27 pituitary adenomas, representing 15.2% of all intracranial tumors. Twenty-four cases of them were chromophobe and only 3 cases were acidophilic adenomas.
Of the 12 cases of metastatic carcinoma, confirmed primary sites were breast, lung, and gastrointestinal tract. The other sources were liver, salivary gland, kidney and uterus.
Of all the 178 cases, children composed 29-cases (16.3%), in which 65.5% of the tumors were supratentorial and 34.5% infratentorial in location. Astrocytomas were the most common tumors in the supratentorial region and medullbalastoma in the infratentorial region.
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KEYWORD
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