Cilicated hepatic foregut cyst with stone formation: Report of a case.

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  • 結石を形成した繊毛性前腸性肝嚢胞の１例

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A 51-year-old man was admitted to our hospital because of epigastric pain and fever. Ultrasonography showed a high echoic area, 2.8cm in size, beneath the liver surface of the medial segment (S4) and movable strong echoes in it. Plain CT disclosed a high density area with calcification in S4 and the lesion does not enhanced by contrast medium. Under a diagnosis of ciliated hepatic foregut cyst with stone formation, operation was performed for an associated cancer of gallbladder. During surgery, a whitish cystic lesion was disclosed in S4. The lesion was a unilocular cyst filled with gelatin like substance and contained white granules which was consintent with calcification. An analysis of the while granules disclosed calcium carbonate. Histologically, the inner surface of the cyst was lined by ciliated columnar epithelium and the cyst wall was composed of a smooth muscle band surrounded by an outer fibrous capsule. Therefore, the preoperative diagnosis was confirmed.

Journal

  • Kanzo

    Kanzo 36 (5), 296-301, 1995

    The Japan Society of Hepatology

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