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KMID : 0371319670090050301
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Journal of the Korean Surgical Society
1967 Volume.9 No. 5 p.301 ~ p.303
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A case Report of Teratoma in the Posterior Fossa
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崔吉洙/Choi, Kil Soo
宋斗灝/徐鎔源/沈輔星/Song, Do Ho/Suh, Yong Won/Sim, Bo Sung
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Abstract
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As defined by Willis (1953) "a teratoma is a true tumor or neoplasm composed of multiple tissues of kinds foreign to the part in which it arises".
Intracranial teratoma belongs to a group of rarely encountered neoplasm. This contitntes about 0.5 per cent of the total (Zdlch, 1956), but this incidence increases to 2.0 per cent if children below the age of 15 years are selected (Ingraham and Bailey, 1946). Intracranial examples are notably commoner in males whereas in the spinal canal are possibly more frequent in females, according to Willis. In 1940 Sweet was able to collect from the literature 94 cases of intracranial teratoma and teratoid tumor, and found that 39 were located at the pineal body, 15 were located at the pituitary region, 10 were located in the posterior fossa and the remainder were widely distributed.
In this paper report a big teratoma which was found in the posterior fossa of 9 years old Korean boy. On August 5, 1966 this patient with an unusually enlarged head was admitted to the hospital complaining of headache, vomiting and ataxic gait.
For a half and two years prior to this admission this chronically ill patient had been suffered from those symptoms which are usually noticed in the advanced posterior fossa tumors of children, including visual disturbance and difficulty in phonation.
Neurologic examination revealed spastic paraparesis; incoordination of all extremities; trvncal ataxia; marked papilledema and generally increased deep tendon reflexes. Roentgenograms of the skull showed chronically separated all cranial sutures and enlarged head. Brachial angiogram demonstrated a big mass lesion in the posterior fossa. By occipital craniectomy a child fist sized mass was successfully removed. The tumor locateor in the fourth ventricle and weighed 100 Gm. The´patient recovered quickly from the operation but expired on the 7th postoperative day due to pyogenic meningitis. Pathologically the tumor mass was confirmed to be a typical teratoma.
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