Choledochocele: diagnosis by magnetic resonance imaging

Backer, A. I. De; Abbeele, K Van den; Schepper, A. M. De; Baarle, A. Van

doi:10.1007/s002610000082

Cited by 22 publications

(13 citation statements)

References 10 publications

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“…There have been some recent reports that this entity is associated with biliary malignancy and with patients having a high amylase level in the bile (25). Although the pathogenesis of choledochocele is unknown, several possible causes have been proposed, including (a) dysfunction of the sphincter of Oddi, with or without weakness of the CBD; and (b) obstructive ballooning of the intramural portion of the CBD owing to inflammation at the papilla (24).…”

Section: Choledochocelementioning

confidence: 97%

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CT Evaluation of the Bulging Papilla with Endoscopic Correlation

Kim

Lee²,

Lee³

et al. 2007

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A variety of pathologic conditions can cause abnormalities of the ampulla of Vater. A bulging papilla is frequently encountered at computed tomography (CT) and can be seen in healthy individuals as well as in patients with various pathologic conditions such as papillitis, ampullary cancer, and intraductal papillary mucinous tumor. Mural thickening and certain attenuation patterns seen at contrast material-enhanced CT can help differentiate pathologic papilla from normal papilla. Increased targetlike enhancement of the papilla is likely to represent a benign condition such as papillitis, whereas an enhancing polypoid mass or focal asymmetric or irregular thickening with prolonged enhancement in the ampulla of Vater indicates a malignant condition such as ampullary or periampullary carcinoma. Although CT often does not clarify the exact cause of bulging, adequate duodenal distention may allow detection of an abnormal papilla, thereby providing additional information about other abnormalities in the pancreaticobiliary system. Thus, CT findings may prove useful for subsequent imaging studies such as magnetic resonance (MR) cholangiography or endoscopy. MR cholangiography may be equivalent to CT for identifying a bulging papilla and superior for distinguishing the underlying cause. However, endoscopy with or without biopsy is the best method for making a definitive diagnosis in patients with a bulging papilla. Familiarity with the normal imaging anatomy of the periampullary region and with the imaging features of the various pathologic causes of a bulging papilla may be useful in making the diagnosis.

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Section: Choledochocelementioning

confidence: 97%

“…The choledochus duct terminates in a small, intramural cystic lesion that is lined by duodenal mucosa (24). Choledochocele alone can cause cholecystitis or cholangitis.…”

Section: Choledochocelementioning

confidence: 99%

CT Evaluation of the Bulging Papilla with Endoscopic Correlation

Kim

Lee²,

Lee³

et al. 2007

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“…3,10 Although endoscopic retrograde cholangiography offers high diagnostic accuracy (80-90%) 4 and is considered the best modality for diagnosing choledochal cyst, the procedure is relatively invasive. CT cholangiography with 3-dimensional reconstruction 10,11 and magnetic resonance cholangiography 12,13 have been highlighted as alternatives for noninvasive diagnosis of choledochal cyst and have been shown to offer efficiency equivalent to endoscopic retrograde cholangiography. Endoscopic sonography is also useful for lesion diagnosis 14 but is unsuitable for initial screening examinations.…”

Section: Discussionmentioning

confidence: 99%

Choledochocele demonstrated on conventional sonography

Kishino

Haradome

Mori

et al. 2006

J of Clinical Ultrasound

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Choledochocele is the least common form of choledochal cyst. We report a rare bile duct cyst diagnosed in a 63-year-old woman via CT cholangiography. Although conventional sonography initially failed to reveal abnormal findings, a subsequent detailed study clearly depicted the lesion. To the best of our knowledge, this is the first report of choledochocele unambiguously demonstrated on transabdominal sonography.

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“…A Type‐III choledochal cyst is one of the most infrequent subtypes of choledochal cysts, constituting 1–5% of all cases 1 . Type IIIa represents an intraluminal choledochocoele in the duodenum that contains the terminal pancreatic as well as the common bile duct as a common channel; Type IIIb contains a separate pancreatic and a common duct within an intraluminal cyst; and Type IIIc shows a completely intramural cyst within the duodenal wall 2 …”

mentioning

confidence: 99%