Echinococcal cysts in the common bile duct: An uncommon cause of obstruction

McCorkell, Scott J.

doi:10.1007/bf01893138

Cited by 8 publications

(9 citation statements)

References 4 publications

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“…Contrast-filled cavity communicating with the main bile duct is seen. unlike others [5], but in agreement with some [6][7][8], feel that overmature cysts are not associated with a higher incidence of perforation. Fragmented membranes within a cyst are represented sonographically by floating linear echogenic structures and this is equivalent to the radiographic water lily sign.…”

Section: Discussionsupporting

confidence: 80%

“…Hydatid cyst contents in the biliary tree appear as echogenic structures of varying sizes and shapes without acoustic shadowing simulating biliary sludge, nonshadowing calculi, or round worms [14]. We feel these represent the hydatid matrix, sand, and detached membranes rather than daughter vesicles as believed by others [8,10]. Daughter and granddaughter cysts in most cases are fluid-filled structures with acoustic impedance similar to that of bile, and their cyst walls are too thin to be seen sonographically (Fig.…”

Section: Discussionmentioning

confidence: 88%

“…Likewise, the cholangiographic appearance of biliary hydatidosis is limited to a few reports on a few cases only [8,[10][11][12][13]. The present report describes sonographic and cholangiographic appearances in 15 proven cases of intrabiliary rupture of hepatic hydatid cyst.…”

mentioning

confidence: 89%

“…Although the value of sonography in the diagnosis of hepatic hydatid cyst is well recognized [5,6], present knowledge about its utility to predict intrabiliary rupture of a hepatic hydatid cyst is rather scanty and based on a small number of patient populations [7][8][9][10]. Likewise, the cholangiographic appearance of biliary hydatidosis is limited to a few reports on a few cases only [8,[10][11][12][13].…”

mentioning

confidence: 99%

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Intrabiliary rupture of hepatic hydatid cyst: Sonographic and cholangiographic appearances

Zargar

Khuroo

Khan

et al. 1992

Gastrointest Radiol

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Sonographic and cholangiographic appearances of confirmed intrabiliary rupture of a hepatic hydatid cyst were studied in 15 cases. Sonographic findings included liver cyst in all cases; nonshadowing echogenic structures in the dilated biliary tree representing hydatid material, such as fragmented membranes, sand, matrix, and daughter vesicles, in eight cases; and loss of continuity of the cyst wall adjacent to the bile duct representing the site of communication in seven cases. Cholangiographic findings were as follows: filling defects of varying size and shapes in the dilated biliary tree in 13 cases, and changing shape and position of these filling defects in three of them; and leakage of contrast medium into the cyst cavity in 12 cases. Intrabiliary rupture of hepatic hydatid cyst was suggested by sonography in 10 cases (66.7%) and at cholangiography in 13 cases (86.6%). We conclude that a joint application of sonography and endoscopic cholangiography is mandatory for proper preoperative evaluation of this disorder.

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Section: Discussionsupporting

confidence: 80%

Section: Discussionmentioning

confidence: 88%

mentioning

confidence: 89%

mentioning

confidence: 99%

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Intrabiliary rupture of hepatic hydatid cyst: Sonographic and cholangiographic appearances

Zargar

Khuroo

Khan

et al. 1992

Gastrointest Radiol

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“…6,18 In this case, we feel that the external trauma or rapid and massive production of fluid may result in an acute rise of intracystic pressure, which favors the rupture. 6,18 In this case, we feel that the external trauma or rapid and massive production of fluid may result in an acute rise of intracystic pressure, which favors the rupture.…”

Section: Discussionmentioning

confidence: 88%

Intrabiliary Obstruction Due to Ruptured Hepatic Hydatid Cyst: Evaluation With Computed Tomography and Magnetic Resonance Imaging

Tsitouridis

Kouklakis

Tsitouridis

et al. 2001

Digestive Endoscopy

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Biliary obstruction due to impaction of hydatid material into the biliary tree frequently occurs when complex intrabiliary rupture of hepatic hydatid cyst develops. In our experience, the incidence of intrabiliary rupture causing biliary obstruction totals to 1.1%.The effectiveness of ultrasound, computed tomography (CT) and magnetic resonance imaging (MRI) for the preoperative diagnosis of cyst rupture into the biliary tree has been demonstrated only in case reports or in a series with a few number of cases. In this study we report nine additional cases with CT and MRI findings, together with magnetic resonance (MR) cholangiography which established the preoperative diagnosis. METHODSOver a period of 5 years we studied nine cases with proven intrabiliary rupture of the hepatic hydatid cyst and jaundice using CT, MRI and MR cholangiography. In all cases the diagnosis of the rupture was made by CT, MRI and MR cholangiography and the confirmation of the diagnosis was made at surgery in four cases and with endoscopic retrograde cholangiopancreatography (ERCP) in five cases. The age of the patients at the time of diagnosis ranged between 43 and 74 years. There were seven males and two female patients.Each abdominal CT study was performed with 100 mL of contrast material (Imagopaque, Nycomed) administered Digestive Endoscopy (2001) 13, 7-12 Background: One of the most common and very serious complications of a hepatic echinococcal cyst is the intrabiliary rupture of the cyst and, in some cases, the obstruction of the biliary system. The effectiveness of computed tomography (CT) and magnetic resonance imaging (MRI) was evaluated for the preoperative diagnosis of hydatid cyst into the biliary tree. Methods: The techniques of CT, MRI and magnetic resonance (MR) cholangiography were used to examine nine cases of intrabiliary rupture of the hepatic hydatid cyst. The confirmation of the diagnosis was made at surgery in four cases and with endoscopic retrograde cholangiopancreatography in five cases. Results: By using CT and MRI, the intrabiliary rupture of an echinococcal cyst was diagnosed readily and accurately in all cases. In eight cases, we found a dilated intrahepatic biliary vessel near the ruptured echinococcal cyst, without any evidence of communication between the cyst and the biliary system. Also in six cases there was an abnormal configuration of the terminal part of the biliary radicle. Conclusion: This study suggests that a dilated biliary radicle with conical configuration of its end-part and in close proximity with hydatid cyst is strong evidence of previous or active rupture of hydatid cyst into the biliary system. A combined study of CT or MRI and MR cholangiography is mandatory for proper preoperative evaluation of the intrabiliary rupture of hepatic hydatid cyst.

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Hydatid cysts in muscle: a modified percutaneous treatment approach

Örmeci

İdilman

Akyar

et al. 2007

International Journal of Infectious Diseases

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Percutaneous drainage without re-aspiration is simple, easy to apply, low cost, repeatable, and does not require hospitalization. There have been no reported deaths associated with the procedure and morbidity is very low. When the technique is applied properly, relapses do not occur. With its low complication rate and its suitability for outpatient treatment, this method can be an alternative to surgery or puncture, aspiration, injection, and re-aspiration (PAIR) in selected patients.

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Echinococcal cysts in the common bile duct: An uncommon cause of obstruction

Cited by 8 publications

References 4 publications

Intrabiliary rupture of hepatic hydatid cyst: Sonographic and cholangiographic appearances

Intrabiliary rupture of hepatic hydatid cyst: Sonographic and cholangiographic appearances

Intrabiliary Obstruction Due to Ruptured Hepatic Hydatid Cyst: Evaluation With Computed Tomography and Magnetic Resonance Imaging

Hydatid cysts in muscle: a modified percutaneous treatment approach

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