Park JM, Kang CD, Kim JH, Lee SH, Nam SJ, Park SC, Lee SJ, Lee S. Cholecystoduodenal fistula presenting with upper gastrointestinal bleeding: A case report. World J Clin Cases 2021; 9(2): 410-415 [PMID: 33521109 DOI: 10.12998/wjcc.v9.i2.410]
Corresponding Author of This Article
Chang Don Kang, MD, PhD, Doctor, Professor, Department of Gastroenterology, Kangwon National University Hospital, Baengnyeong-ro 156, Chuncheon 24289, Kangwon Do, South Korea. firstname.lastname@example.org
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This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Cholecystoduodenal fistula presenting with upper gastrointestinal bleeding: A case report
Jin Myung Park, Chang Don Kang, Ji Hyun Kim, Sang Hoon Lee, Seung-Joo Nam, Sung Chul Park, Sung Joon Lee, Seungkoo Lee
Jin Myung Park, Chang Don Kang, Ji Hyun Kim, Sang Hoon Lee, Seung-Joo Nam, Sung Chul Park, Sung Joon Lee, Department of Internal Medicine, Kangwon National University School of Medicine, Chuncheon 24289, Kangwon Do, South Korea
Jin Myung Park, Chang Don Kang, Ji Hyun Kim, Sang Hoon Lee, Seung-Joo Nam, Sung Chul Park, Sung Joon Lee, Department of Gastroenterology, Kangwon National University Hospital, Chuncheon 24289, Kangwon Do, South Korea
Seungkoo Lee, Anatomy and Pathology, Kangwon National University School of Medicine, Chuncheon 200947, Kangwon Do, South Korea
Seungkoo Lee, Department of Pathology, Kangwon National University Hospital, Chuncheon 24289, Kangwon Do, South Korea
Author contributions: Park JM was the patient’s doctor; Park JM and Kim JH performed endoscopy; Park JM and Kang CD reviewed the literature and contributed to manuscript drafting; Lee SH, Nam SJ, Park SC, and Lee SJ reviewed images and contributed to manuscript drafting; Lee SK performed histological analysis.
Informed consent statement: Informed written consent was obtained from the patient for publication of this report and any accompanying images.
Conflict-of-interest statement: Authors declare no conflict of interest.
CARE Checklist (2016) statement: The authors have read the CARE Checklist (2016), and the manuscript was prepared and revised according to the CARE Checklist (2016).
Open-Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/Licenses/by-nc/4.0/
Corresponding author: Chang Don Kang, MD, PhD, Doctor, Professor, Department of Gastroenterology, Kangwon National University Hospital, Baengnyeong-ro 156, Chuncheon 24289, Kangwon Do, South Korea. email@example.com
Received: October 5, 2020 Peer-review started: October 5, 2020 First decision: October 27, 2020 Revised: December 1, 2020 Accepted: December 11, 2020 Article in press: December 11, 2020 Published online: January 16, 2021
Cholecystoduodenal fistula is a rare complication of cholelithiasis. Symptoms are usually non-specific and often indistinguishable from those of etiologic diseases, but it rarely presents as severe gastrointestinal bleeding. Bleeding associated with cholecystoduodenal fistula usually requires surgery because significant bleeding from the cystic artery is unlikely to be resolved by conservative management or endoscopic hemostasis.
We report a case of cholecystoduodenal fistula that presented with hematemesis which was diagnosed by endoscopy and computed tomography. Endoscopic hemostasis could not be achieved, but surgical treatment was successful. Additionally, we have presented a literature review.
Cholecystoduodenal fistula should be considered as differential diagnosis when a patient with history of gallstone disease presents with gastrointestinal bleeding.
Core Tip: Cholecystoenteric fistula, an abnormal communication from gallbladder to the gastrointestinal tract, is a rare complication of cholelithiasis. It is a type of internal biliary fistula that occurs secondary to cholelithiasis in more than 90% of cases. The clinical presentation of cholecystoenteric fistula is variable, and a preoperative diagnosis is achieved rarely, while gastrointestinal bleeding as its initial presentation is also rare. Here, we report a case of cholecystoduodenal fistula that presented with hypovolemic shock due to massive upper gastrointestinal bleeding.
Citation: Park JM, Kang CD, Kim JH, Lee SH, Nam SJ, Park SC, Lee SJ, Lee S. Cholecystoduodenal fistula presenting with upper gastrointestinal bleeding: A case report. World J Clin Cases 2021; 9(2): 410-415
Cholecystoenteric fistula, an abnormal communication between gallbladder and the gastrointestinal tract, is a rare complication of cholelithiasis. It is a type of internal biliary fistula that occurs as complication of cholelithiasis in more than 90% of cases. The cholecystoenteric fistula presents in variable symptoms, and an accurate diagnosis prior to surgery is achieved rarely. It also rarely presents as upper gastrointestinal bleeding. Here, we report a case of cholecystoduodenal fistula that presented with hypovolemic shock due to massive upper gastrointestinal bleeding.
An 88-year-old male visited our emergency room complaining of right upper quadrant abdominal pain, and nausea.
History of present illness
The pain started 3 d ago, which was continuous cramping pain aggravated by meal, and severity of pain had increased from numeric rating scale of 3 to 8. The patient denied fevers, diarrhea or jaundice. Upon visit to the emergency room his blood pressure and heart rate were normal, but body temperature was elevated to 38 ºC.
History of past illness
His past medical record showed that he was diagnosed with hypertension, diabetes, heart failure, chronic kidney disease, previous cerebrovascular accident, and was currently taking aspirin. Also, computed tomography of abdomen taken 2 years ago showed that he had multiple stones in gall bladder without wall thickening, and he had no history of recurrent abdominal pain.
Personal and family history
He was an ex-smoker who had quit smoking 20 years ago, and no notable family history was found.
Physical examination revealed tenderness at right upper quadrant and positive murphy sign.
Initial laboratory findings were as follows; white blood cells 6200/mm3, hemoglobin 134 g/L, aspartate aminotransferase 213 IU/L, alanine aminotransferase 164 IU/L, and C-reactive protein 14.3 mg/L.
Based on past medical record and current findings, abdominal computed tomography was done which revealed a gallstone and asymmetric gallbladder wall thickening, suggestive of chronic cholecystitis (Figure 1). Once he returned to the emergency department, he suddenly complained of hematemesis and developed hypovolemic shock (blood pressure 82/50 mmHg, heart rate 100/min). Emergent esopha-gogastroduodenoscopy was done, and bleeding was suspected at the duodenal bulb. However, it was difficult to make a definite diagnosis due to poor visibility. Endoscopy was performed the following day, after his condition had stabilized, and revealed an opening at the anterior wall of the duodenal bulb filled with blood clot suggestive of bleeding from cholecystoduodenal fistula (Figure 2).
Figure 1 Radiologic images.
A: Computed tomography revealed a gallstone (arrow) and a non-dilated gallbladder with wall thickening, suggestive of chronic cholecystitis; B: The gallbladder was adherent to duodenum in coronal view.
Figure 2 Endoscopic images
. A: Esophagogastroduodenoscopy revealed an opening at the anterior wall of the duodenal bulb; B: Closer image of duodenal bulb; C: The opening was filled with a blood clot, suggestive of bleeding from cholecystoduodenal fistula.
Final diagnosis was cholecystitis with cholecystoduodenal fistula.
Once the diagnosis was made he underwent open cholecystectomy and fistula closure. Operative findings and pathologic examination confirmed chronic cholecystitis with cholecystoduodenal fistula (Figure 3).
Figure 3 Pathologic image of resected gallbladder
. Microscopy shows the fistula in the lower portion of gallbladder mucosa (arrow, hematoxylin & eosin stain, × 15).
OUTCOME AND FOLLOW-UP
After surgery, his aspartate aminotransferase and alanine aminotransferase had improved to 16 IU/L and 75 IU/L respectively. His postoperative course was uneventful with the exception of wound dehiscence, which was improved by simple dressing and suture placement. He was discharged 16 d after the operation and was followed uneventfully for 18 mo.
Most internal biliary fistulas develop spontaneously, while majority of external fistulas develop as an iatrogenic event following surgery or percutaneous interventional procedures. About 91%-94% of spontaneous internal biliary fistulas are caused by stone in the biliary tract, followed by peptic ulcer disease as the second most common cause. Tumors, biliary abscesses, and echinococcus cysts have also been reported as other causes of internal biliary fistula. Cholecystoenteric fistula is a rare complication of gallstone disease with an autopsy reported incidence of 0.1%-0.5% and an incidence of 1.2%-5% among cholecystectomy cases. The condition occurs predominantly in women around the age of 60 years[4,5]. The most common type of cholecystoenteric fistula is the cholecystoduodenal type, followed by cholecystocolonic and cholecystogastric fistula.
The pathogenesis of cholecystoduodenal fistula is unclear, but cholecystoenteric fistula occurring as late complications of gallstone disease is also known as Mirizzi syndrome type V. Pathophysiology for such complication is explained by mechanical pressure of gallstone that causes erosion of gallbladder and common bile duct wall that eventually results in formation of cholecystobiliary fistula[7,8]. Recurrent episodes of gallbladder inflammation can also create fistula tract with other sites such as cholecystoduodenal, cholecystogastric, and cholecystocolonic fistulas[9,10].
In general, there are no specific clinical symptoms or signs suggestive of internal biliary fistula. Its symptoms are often indistinguishable from those of etiologic diseases, including abdominal pain, cholangitis with fever and/or jaundice, gallstone ileus, nausea, vomiting, and diarrhea, as well as acute or chronic/recurrent pancreatitis.
Cholecystoduodenal fistula rarely causes gastrointestinal bleeding. Invasion of the cystic artery by a duodenal ulcer may cause massive bleeding, and a gallstone can cause erosion of the same artery. Reports on cholecystoduodenal fistula as a cause of severe upper gastrointestinal bleeding are rare. A thorough search of the medical literature revealed only 11 case reports published in English (Table 1)[3-5,11-18]. Among these reported cases, men were slightly more affected than women and two thirds were older than 60 years. Gallstone was the most common cause, and peptic ulcer was the etiology in only two cases. Endoscopic findings were variable and ranged from ulcer, fistulous opening, and bleeding of unknown origin. A subepithelial lesion was suspected in two cases[5,14]. Endoscopic hemostasis was attempted in four cases, but surgery was finally required in all cases[3,4,11,17]. All 13 patients that underwent surgery had good outcomes. Conservative treatment was administered to two patients and one patient expired. At autopsy, bleeding was determined to be from the cystic artery by cholecystoduodenal fistula.
Table 1 Previous cases that presented with upper gastrointestinal bleeding due to a cholecystoduodenal fistula.
As cholecystoduodenal fistula is a rare cause of massive gastrointestinal bleeding, clinicians should be aware of some signs that may help in differential diagnosis. Thorough history taking is always essential as history of gallstone disease may help in considering cholecystoduodenal fistula as differential diagnosis. It has been suggested by many authors that pneumobilia, a small atrophic gallbladder adherent to the neighboring organs, and a history of jaundice may be indicators for presence of a cholecystoenteric fistula[3,4,17]. Nonvisualization of the gallbladder, despite absent history of cholecystectomy, or the presence of a thick-walled shrunken gallbladder adherent to the neighboring organs, have been reported as a suggestive finding of internal biliary fistula, especially the cholecystoenteric type.
Once the diagnosis is made, surgical treatment is the most effective method of treatment. Although many fistulas are treated with laparoscopic method due to increased skill of the surgeons and advanced techniques, open operation is preferred when there is distortion of anatomy and severe inflammation. The patient in this case report received open operation due to severe inflammation. Angioembolization is another treatment to consider at available centers for identification and possible blockage of active bleeding from fistula that could not be controlled by endoscopic hemostasis. However, most fistulas are difficult to close up if recurrent cholecystitis is not controlled, and surgical management is usually required.
In summary, gastrointestinal bleeding caused by cholecystoduodenal fistula usually requires surgery because significant bleeding from the cystic artery is unlikely to be resolved by conservative management or endoscopic hemostasis. Reported outcomes after surgery are excellent. A high index of suspicion is necessary, and early diagnosis of cholecystoduodenal fistula is essential for successful treatment.
Changku J, Shaohua S, Zhicheng Z, Shusen Z. Upper gastric tract bleeding due to cholecystoduodenal fistula: a case report.Hepatogastroenterology. 2005;52:1372-1374.
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Hjelmqvist B, Borgström A, Zederfeldt B. Major gastrointestinal haemorrhage as a complication of cholecystoduodenal fistula in gallstone disease. Report of three cases.Ann Chir Gynaecol. 1985;74:6-8.
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Kochhar R, Krishna PR, Gupta NM, Mehta SK. Massive gastrointestinal bleeding due to cholecystoduodenal fistula. Case report.Acta Chir Scand. 1988;154:471-472.
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