Case Report
Copyright ©2005 Baishideng Publishing Group Inc. All rights reserved.
World J Gastroenterol. Mar 28, 2005; 11(12): 1881-1883
Published online Mar 28, 2005. doi: 10.3748/wjg.v11.i12.1881
Adenocarcinoma and infection in a solitary hepatic cyst: A case report
Ching-Chung Lin, Shee-Chan Lin, Wen-Ching Ko, Kuo-Ming Chang, Shou-Chuan Shih
Ching-Chung Lin, Shee-Chan Lin, Shou-Chuan Shih, Division of Gastroenterology, Department of Internal Medicine, Mackay Memorial Hospital, Mackay Medicine, Nursing and Management College, Taipei, Taiwan, China
Wen-Ching Ko, Department of Surgery, Mackay Memorial Hospital, Mackay Medicine, Nursing and Management College, Taipei, Taiwan, China
Kuo-Ming Chang, Department of Pathology, Mackay Memorial Hospital, Mackay Medicine, Nursing and Management College, Taipei, Taiwan, China
Author contributions: All authors contributed equally to the work.
Correspondence to: Dr. Shou-Chuan Shih, Division of Gastroenterology, Department of Internal Medicine, Mackay Memorial Hospital, No. 92, Sec. 2, Chung-Shan North Road, Taipei, Taiwan, China. sunny.lin56@msa.hinet.net
Telephone: +886-2-25433535
Received: October 30, 2004
Revised: October 31, 2004
Accepted: November 29, 2004
Published online: March 28, 2005
Abstract

Solitary non-parasitic liver cysts are being increasingly diagnosed due to the increased use of abdominal sonography. The majority of solitary liver cysts are asymptomatic; however, there are some complications which include infection, perforation, spontaneous hemorrhage, obstructive jaundice and neoplastic degeneration. In some cases a cystic liver lesion may mimic a tumor and is difficult to differentiate with standard imaging studies or fine needle aspiration cytology. Here in, we report a case of adenocarcinoma arising in a solitary hepatic cyst complicated with Klebsiella pneumoniae infection. High levels of CEA in the cyst fluid levels suggested malignancy, which was confirmed by pathology of the resected specimen.

Keywords: Adenocarcinoma, Liver cyst, Infected cyst, CEA, CA 199