...It occurs when trophoblastic cells remaining in the body after pregnancy become cancerous, and usually develops several months to several years after pregnancy (such choriocarcinoma is called gestational choriocarcinoma). In very rare cases, choriocarcinoma may develop as a teratoma in the ovaries or testicles (in boys) 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 the progression of the tumor. ... *Some of the terminology that refers to "teratomatous choriocarcinoma" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…妊娠後体内に遺残した絨毛細胞が癌化することで発生し,通常,妊娠後数ヵ月から数年を経て発症する(このような絨毛癌を妊娠性絨毛癌という)。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。… ※「奇形腫性絨毛癌」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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