Fat within Hepatic Hydatid Cysts: a Report of Three Cases

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AS Tandon, D Saxena

Hong Kong J Radiol 2014;17:198-202

DOI: 10.12809/hkjr1413160

Hydatidosis is a zoonosis caused by the larva of a tapeworm, Echinococcus granulosus. The liver is the most commonly affected solid organ in which a cystic lesion with two layers of an outer pericyst and an inner endocyst is produced. There have been only a few reports in the literature of fat within a hydatid cyst. One case series described fat-fluid levels due to communication with the biliary tree and one report described a single case of a hepatic hydatid cyst containing small globules of fat. This report describes three patients with hepatic hydatid cysts with small globules of fat within detected on computed tomography and, through a review of literature, attempts to understand the pathogenesis of intracystic fat without imaging evidence of rupture into the biliary tree.




AS Tandon、D Saxena


包蟲病是由細粒棘球絛蟲(Echinococcus granulosus)的幼蟲所引致的動物傳染病。肝臟是最常累及的實性器官,肝內囊腫分化為兩層:外囊及內囊。文獻中只有少數有關包蟲囊腫中具脂肪的病例報告。其中一個病例系列描述了因膽管樹穿通而產生的脂肪—液體平面,另一個病例報告則描述含脂肪粒的肝包蟲囊腫。本文報告電腦斷層掃描顯示出肝包蟲囊腫中脂肪粒的三個病例;並嘗試在缺乏囊腫破入膽管樹的影像證據時,通過文獻回顧推斷囊內脂肪的發病機制。