尾状葉原発肝血管筋脂肪腫の１例

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タイトル別名
  • Hepatic Angiomyolipoma Originating in the Caudate Process -A Case Report-
  • ビジョウヨウ ゲンパツ カン ケッカンキン シボウシュ ノ 1レイ
  • キョセイ テイコウセイ ゼンリツセンガン ト キンソウ シンジュンセイ ボウコウガン オ ヘイハツ シタ ショウレイ ニ タイシ GDC リョウホウ ガ ソウコウ シタ 1レイ
  • ショウレイ ホウコク ビジョウ ヨウ ゲンパツ カン ケッカンキン シボウ シュ ノ 1レイ

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A 41-year-old woman was admitted to our hospital for an abdominal ultrasonography, which revealed a hypoechoic liver tumor. She had no past medical history and no risk factors for liver disease. Dynamic computed tomography and MRI revealed a protrusive increasing liver tumor about 4cm in maximal diameter arising from segment I. These examinations using contrast medium showed enhancement in the early phase and washout in the delay phase. The T1-weighted MR image showed a low intensity, and the T2-weighted image showed a little high intensity. Hepatic angiography showed a hypervascular tumor. Liver function tests were normal, and levels of serum tumor markers, including Alfa-fetoprotein and protein induced by vitamin K absence or antagonist II, were within normal ranges. Laparoscopic operation was indicated for the purpose of diagnosis and treatment. The extrahepatic growing soft tumor originating in the caudate process was confirmed, and laparoscopy-assisted partial hepatectomy was performed. The operation time was 299 minutes, and the blood loss was 270ml. Postoperative course was uneventful. Histology showed a myomatous angiomyolipoma of the liver.Laparoscopy-assisted liver resection is useful for a tumor with difficult diagnosis.

収録刊行物

  • 山口医学

    山口医学 62 (1), 21-26, 2013

    山口大学医学会

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