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Primary Teratocarcinoma of the Pineal Gland
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±è°æ¹Ì/Kyoung Mee Kim
ÀÌÀºÁ¤/¾ç±âÈ/À̾ÈÈñ/½É»óÀÎ/±è¼±¹«/Euu Jung Lee/Ki Wha Yang/Anhi Lee/Sang In Shim/Sun Moo Kim
KMID : 0357919950290040527
Abstract
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Teratocarcinoma is a form of mixed germ cell tumor composed of a mixture of
teratoma and embryonal carcinoma. It is rarely found in the brain, but when present it
is most commonly found in the pineal region.
We investigated a case of primary teratocarcinoina in the pineal region. The patient
was a 10 gear old boy who had suffered from a bitemporal headache for one month.
Brain CT and MRI revealed a rather well defined ovoid heterogenous mass in the pineal
gland region, measuring 4.3¡¿3.8¡¿3.0 §¯ in size. Microscopically the tumor contained
areas of immature teratoma and embryonal carcinoma. Immunohistochemical staining
revealed positive reactions for cytokeratin, epithelial membrane antigen, careinoembryonic
antigen, and ¥á-fetoprotein in the embryonal carcinoma component.
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Teratocarcinoma; Pineal gland; Immunohistochemistry;
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