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迫田, 雅彦
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SAKODA, Masahiko
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上野, 真一
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UENO, Shin-ichi
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久保, 文武
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KUBO, Fumitake
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樋渡, 清司
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HIWATASHI, Kiyokazu
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立野, 太郎
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TATENO, Taro
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松下, 大輔
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MATSUSHITA, Daisuke
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新地, 洋之
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SHINCHI, Hiroyuki
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又木, 雄弘
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MATANO, Yuko
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蔵原, 弘
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KURAHARA, Hitoshi
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平田, 晋吾
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HIRATA, Shingo
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貴島, 文雄
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KIJIMA, Fumio
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夏越, 祥次
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NATSUGOE, Shoji
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| 内容注記 |
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Other
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We report a case of a free-living amebic liver abscess believed to have complicated a huge liver cyst. A 64-year-old woman with complaint of right upper quadrant abdominal distention was admitted to our hospital and a huge liver cyst measuring 18 cm in diameter was observed on CT. However, since ultrasonography revealed a solid component like a septum, aspiration cytology and needle biopsy were performed. The aspirate was serous and dark reddish-brown. Histologically, many amoebas were detected and it was diagnosed as a free-living amebic liver abscess instead of Entamoeba histolytica. She was treated with oral metronidazole and percutaneous drainage. However, a secondary infection occurred, and hepatectomy was ultimately performed. Our case is of interest because the inflammation response was not expected, the CT findings suggested a liver cyst, and because of the diagnosis of a very rare free-living amebic liver abscess. It is therefore necessary to keep the possibility of liver abscess in mind during the diagnosis of such cystic lesions.
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