PMC4531976_01
Abdominal ultrasonography shows papillary of various shapes within the cystic lesion of the liver.
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Abdominal sonographic finding showed about a 10cm-sized cystic nature space occupying lesion in the right lobe of the liver (Fig. 1) and pus-like material was aspirated.
Abdominal CT demonstrates a large cystic lesion within abundant papillary projections in the liver.
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Abdominal CT demonstrated huge cystic lesions measuring 10x10cm in right liver and having focal irregular wall thickening with internal papillary projections (Fig. 2).
ERCP reveals mildly dilated common bile duct and some filling defect in right intrahepatic duct. The cystic lesion is connected with right intrahepatic duct and some filling defect is seen in cystic lesion.
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The cystic lesion was connected with right intrahepatic duct and some filling defect was seen in the cystic lesion (Fig. 3).
Celiac angiography shows a large cavitary lesion which is supplied by hepatic.
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Celiac angiography showed a large cavitary lesion which is supplied by hepatic artery (Fig. 4).
Postoperative gross specimen shows gray brown colored, 10.0x8.0x5.0cm-sized, well demarcated cystic lesion.
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The surgical specimen contained a grayish-brown colored, well encapsulated unilocular cyst measuring 10.0x8.0x5.0cm (Fig. 5).
The cut resected specimen dicsloses unilocular cystic lesion with multiple papillary proliferations projectiog from the wall and massive transparent mucinous fluid in it.
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On section, the internal cavity was filled with multiple papillary tumors and abundant mucinous fluid (Fig. 6).
The tumor is histologically composed of cuboi-dal tumor cells. The cyst wall is composed of thin fibrous tissue (H & E, x40).
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The tumor was determined as biliary cystadenocarcinoma (Fig. 7, 8).
Microscopic finding shows papillary proliferation of atypical columnar cell with mucin production in the cystic area (H & E, x100).
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The tumor was determined as biliary cystadenocarcinoma (Fig. 7, 8).