…Very rarely, choriocarcinoma may develop as a teratoma in the ovaries or testicles (in this case in males) unrelated to pregnancy (this is called teratocarcinoma). Choriocarcinoma produces the same hormone (chorionic gonadotropin, human chorionic gonadotropin, hCG) as in normal pregnancy, so hCG measurement is used as an indicator of tumor progression. It occurs frequently in Asia, including Japan, and the incidence rate in Japan was 0.22 per 100,000 women (1980). … *Some of the terminology that mentions "human chorionic gonadotropin" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ごくまれに,妊娠と関係なく卵巣や睾丸(この場合は男子に)に奇形腫として絨毛癌が発生することがある(これを奇形腫性絨毛癌という)。絨毛癌は正常妊娠時におけると同様のホルモン(絨毛性ゴナドトロピン,human chorionic gonadotropin,hCG)を産生するので,腫瘍の病勢の指標としてhCG測定が用いられる。日本を含むアジア地域で発生頻度が高く,日本での女性人口10万当りの罹患率は0.22(1980)である。… ※「human chorionic gonadotropin」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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