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01.12.2014 | Case report | Ausgabe 1/2014 Open Access

Journal of Medical Case Reports 1/2014

Successful surgical treatment of extrahepatic biliary papillomatosis diagnosed with endoscopic retrograde cholangiopancreatography: a case report

Zeitschrift:
Journal of Medical Case Reports > Ausgabe 1/2014
Autoren:
Tarik Adioui, Hassan Seddik, Hicham Baba, Badr Slioui, Abdelmounaim Ait Ali, Fatima Zohra El Hamdi, Ahmed Benkirane, Aziz Zentar
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​1752-1947-8-148) contains supplementary material, which is available to authorized users.

Competing interests

The authors declare that they have no competing interests.

Authors’ contributions

AT and SH evaluated the patient and were major contributors in writing the manuscript. SB analyzed MRI data. SH and FZE realized the ERCP. BH, AA, and ZA performed the surgical management. BA and ZA reviewed the manuscript. All authors read and approved the final manuscript.
Abbreviations
BP
Biliary papillomatosis
ERCP
Endoscopic retrograde cholangiopancreatography.

Introduction

Biliary papillomatosis (BP) is a rare condition of unknown etiology characterized by multiple papillary tumors within the intrahepatic and/or extrahepatic biliary tree that can cause biliary obstruction[1]. It is a low-grade neoplasm with high malignant potential and should be regarded as a premalignant lesion. BP commonly affects adults in their sixth to seventh decade of life and is twice as common in males as females[1, 2]. It presents with recurrent episodes of abdominal colic, jaundice, acute cholangitis and the presence of biliary stones and/or infection. We describe a case of BP in which endoscopic retrograde cholangiopancreatography (ERCP) played an important role in the diagnosis of this condition.

Case presentation

A 51-year-old North African man presented with a 1-month history of fluctuating jaundice with pale stools and dark urine, right upper quadrant pain, and intermittent vomiting. His past medical history included neurosyphilis for approximately 8 years. A physical examination revealed little upper abdominal quadrant tenderness. Biochemistry demonstrated elevated bilirubin, alkaline phosphatase and γ-glutamyl transpeptidase levels, and leukocytosis. Ultrasound and magnetic resonance imaging showed a complete stop at the biliary bifurcation compatible with a Klatskin tumor associated to common bile duct stones (Figure 1). Endoscopic retrograde cholangiography revealed dilated intrahepatic ducts and common bile duct above multiple polylobed filling defects. These findings were mainly suggestive of multiple impacted stones of his common bile duct, cholangiocarcinoma, or hemobilia. After an endoscopic sphincterotomy, a balloon sweep retrieved friable, polypoid soft tissue from his bile ducts (Figure 2). Two biliary plastic stents were placed. Histology of the tissue demonstrated papillary adenomatous proliferation showing high-grade dysplasia; the patient was referred for surgical management. Laparoscopic exploration demonstrated a dilated common biliary duct. A transversal choledochotomy revealed a papillary polylobed mass (Figures 3 and4). Common bile duct resection was performed with macroscopically safe margins and biliary reconstruction was achieved by Roux-en-Y hepaticojejunostomy.

Discussion

BP is papillary adenomatosis within the biliary tree. It is a very rare disorder that typically presents with fluctuant obstructive jaundice.
BP can be thought of as a collection of benign papillary adenomas within which adenocarcinoma can develop and spread along the bile duct mucosa[13]. Recent literature suggests BP has a rate of malignant transformation between 41%, and 83%[1, 2].
Since the first case described by Chappet in 1894, almost 100 cases have been reported.
BP pathogenesis is unclear and appears related to irritation and inflammation of the biliary tree. The roles of bile stasis and recurrent infections are also underlined[4]. Some associations were described: chronic stone irritation, clonorchis infestation, reactive hyperplasia in Caroli’s disease, ectopic pancreatic tissue, anomalous biliary tree and primitive sclerosing cholangitis[5]. Our patient had neurosyphilis and, to the best of knowledge, this is the first report of this association.
Clinical features are obstructive jaundice and recurrent cholangitic episodes. These features are due to partial or intermittent obstruction of the bile duct secondary to mucus production, tumor enlargement or tumor fragments[6, 7].
The most common imaging finding is intrahepatic ducts and/or common bile duct dilatation (polypoid filling defects, mural irregularities)[8]. Other features such as the presence of multiple intraductal masses within the lumen or attached to the wall of bile ducts are typically visualized on magnetic resonance cholangiopancreatography[26]. Computed tomography scan may reveal soft tissue densities in the dilated bile ducts or thickened and enhanced bile duct walls[1]. During ERCP, typical characteristics include: amorphous filling defects, irregularity of the bile duct wall, reduced motility on irrigation and mucus discharge from the papilla. BP may then be classified as either mucin-hypersecreting BP or non-mucin-producing BP depending on the presence or absence of mucobilia. These morphological features are mainly suggestive of hilar cholangiocarcinoma, and we aim here to draw readers’ attention to consider BP in all diagnosis of hilar tumors, which avoids condemning patients with palliative therapy systematically. During a contrast cholangiogram, it is important to obtain opacification of the entire biliary tract to determine precisely the ductal extension of the disease, which helps to guide the treatment plan, including surgery[9, 10].
Curative treatment can be achieved through surgical resection in localized disease[211]. However, local resection is characterized by a high rate of recurrence due to either positive resection margins or recurrence due to the multifocality of the disease. In the case of diffuse or recurrent BP, resection of the biliary tree by liver transplantation and pancreaticoduodenectomy can be curative[1, 2, 12, 13].
Endoscopic therapy through ERCP was initially used for palliation in patients who were poor surgical candidates. Argon plasma coagulation has been attempted for the treatment of premalignant mucosal diseases of the digestive tract, due to its low depth and satisfactory local effects, and its use in the biliary tree has been scarcely described[14]. Palliative procedures also include percutaneous management with drainage and stenting, and intraluminal brachytherapy with iridium-192. Untreated BP that does not undergo malignant transformation eventually leads to chronic cholestasis due to mechanical obstruction resulting in septic cholangitis and hepatic failure[2].

Conclusions

BP is a rare condition characterized by multiple papillary adenomas involving the biliary tract which leads to recurrent cholangitis. It is considered a rare benign disease with a high malignancy potential and tendency to spread superficially. Definitive treatment is by means of radical surgical resection and/or liver transplantation.

Consent

Written informed consent was obtained from the patient for publication of this case report and accompanying images. A copy of the written consent is available for review by the Editor-in-Chief of this journal.
This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://​creativecommons.​org/​licenses/​by/​2.​0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://​creativecommons.​org/​publicdomain/​zero/​1.​0/​) applies to the data made available in this article, unless otherwise stated.

Competing interests

The authors declare that they have no competing interests.

Authors’ contributions

AT and SH evaluated the patient and were major contributors in writing the manuscript. SB analyzed MRI data. SH and FZE realized the ERCP. BH, AA, and ZA performed the surgical management. BA and ZA reviewed the manuscript. All authors read and approved the final manuscript.

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Zusatzmaterial
Authors’ original file for figure 1
13256_2013_2785_MOESM1_ESM.pdf
Authors’ original file for figure 2
13256_2013_2785_MOESM2_ESM.pdf
Authors’ original file for figure 3
13256_2013_2785_MOESM3_ESM.pdf
Authors’ original file for figure 4
13256_2013_2785_MOESM4_ESM.pdf
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