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注目されている.チョコレート囊胞を発生母地とした卵巣癌の組織型は,明細胞腺癌や類内膜腺癌が知られているが〔5〕,本邦における子宮内膜症の発症頻度は性成熟女性の約10%とされ,晩婚化や少子化に伴い増加傾向にある.不妊症婦人では子宮内膜症を合併する頻度は高く,チョコレート囊胞合併も少なくないため,これら卵巣癌の発症に関して注意が必要である.一方,high-grade漿液性腺癌は de novo
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