Case Report Open Access
Copyright ©The Author(s) 2018. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Gastrointest Surg. Jan 27, 2018; 10(1): 1-5
Published online Jan 27, 2018. doi: 10.4240/wjgs.v10.i1.1
Associating liver partition and portal vein ligation for staged hepatectomy for extensive alveolar echinococcosis: First case report in the literature
Sami Akbulut, Egemen Cicek, Tevfik Tolga Sahin, Sezai Yilmaz, Department of Surgery and Liver Transplant Institute, Inonu University Faculty of Medicine, Malatya 44280, Turkey
Mehmet Kolu, Department of Radiology, Inonu University Faculty of Medicine, Malatya 44280, Turkey
ORCID number: Sami Akbulut (0000-0002-6864-7711); Egemen Cicek (0000-0003-2691-7418); Mehmet Kolu (0000-0001-9659-6053); Tevfik Tolga Sahin (0000-0002-9132-6115); Sezai Yilmaz (0000-0002-8044-0297).
Author contributions: Akbulut S, Sahin TT and Yilmaz S designed the report; Cicek E collected the patient’s clinical data; Kolu M performed the radiological image design; Akbulut S and Yilmaz S analyzed the data and wrote the paper.
Informed consent statement: The patient involved in this study gave his informed written consent prior to study enrollment, authorizing the use and disclosure of his protected health information.
Conflict-of-interest statement: The author declares no potential conflict of interest.
Open-Access: 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/
Correspondence to: Sami Akbulut, MD, Associate Professor, Department of Surgery and Liver Transplant Institute, Inonu University Faculty of Medicine, Elazig Yolu 10 Km, Malatya 44280, Turkey. akbulutsami@gmail.com
Telephone: +90-422-3410660 Fax: +90-422-3410036
Received: October 31, 2017
Peer-review started: November 1, 2017
First decision: December 1, 2017
Revised: December 4, 2017
Accepted: December 13, 2017
Article in press: December 13, 2017
Published online: January 27, 2018

Abstract

Alveolar echinococcosis (AE) is a zoonotic disease that is caused by Echinococcus multilocularis that affects liver and a variety of organs and tissues. It differs from other echinococcal disease because it shows tumor like behavior in the affected organ and tissues. The treatment of choice is concomitant medical therapy and resection with negative margins. Nevertheless, resection with the intent of negative margins (R0) may lead to serious complications such as liver failure. In the present case report, we used Associating Liver Partition and Portal Vein Ligation for Staged Hepatectomy (ALPPS) procedure, which was defined in 2012 by Schnitzbauer et al, in a 28-year-old male patient to avoid complications of major liver resection in order to treat alveolar echinococcosis. Until now, we have not encountered any study using ALPPS procedure for the treatment of alveolar echinococcosis. In the present case report we aimed to show that ALPPS procedure can be safely performed for margin-negative resection of primary or recurrent AE that shows a tumor like behavior. It is our opinion that this procedure should be performed in centers that have expertise and sufficient technical capacity to perform liver transplantation and advanced liver surgery.

Key Words: Alveolar echinococcosis, Extensive disease, Associating liver partition portal vein ligation, Curative management

Core tip: We have shown the feasibility and efficacy of Associating Liver Partition and Portal Vein Ligation for Staged Hepatectomy (ALPPS) procedure -initially described for the resection of advanced tumors including colorectal liver metastasis, hilar cholangiocarcinoma and to a lesser extent hepatocellular carcinoma-in resection of recurrent hepatic alveolar echinococcosis in a young patient. In selected patient groups with benign liver disease with extensive hepatic involvement ALPPS can be safely used in centers which have expertise in liver transplantation and major hepatic surgery. According to our knowledge, the present patient is the first extensive hepatic AE case that ALPPS procedure has been applied in the literature.



INTRODUCTION

Alveolar echinococcosis (AE) is a zoonotic disease that primarily affects the liver but has the potential for local invasion and metastasis to brain, lung and bones. Therefore; although it seems to be a parasitic disease, it has the clinical behavior of a malignancy[1]. The growth pattern of the parasite determines the biologic behavior of the disease. Usually the disease exceeds the pseudo-membrane formed by the compressed fibrotic liver tissue and compresses the intrahepatic biliary and vascular structures. This causes diverse clinical presentation including adjacent organ compression symptoms, portal hypertension or hepatic outflow obstruction. In addition to all; invasion of the main vascular structures cause metastasis of the parasite[2]. Conservative treatment options include benzimidazole derivatives and percutaneous therapy such as puncture-aspiration-injection-reaspiration, percutaneous evacuation, modified catheterization technique, dilatable multi-function trocar. However, parasite can be dormant for a long time before overt symptoms emerge and most of the patients are diagnosed in the late stages of the disease. Therefore; radical resection and/or liver transplantation seems to be the only sustainable definitive treatment of the disease. However the operation is hard and time consuming requiring multiple organ resection and intraoperative transfusions[3]. Liver resection is often precluded by the fact that disease reaches extensive sizes and reduces the remnant functional liver volume.

Associating liver Partition and Portal vein ligation for Staged hepatectomy (ALPPS) was initially described in 2012 by Schnitzbauer et al[4] for the resection of advanced tumors including colorectal liver metastasis, hilar cholangiocarcinoma and to a lesser extent hepatocellular carcinoma[3]. It provides the means for resection of tumors that is not possible by single stage procedure due to insufficient hepatic reserve postoperatively[5]. Although there are technical variations and controversies the conventional ALPPS procedure includes full mobilization of the liver from its attachments, dissection of the retro-hepatic vena cava, ligation of the right main branch of the portal vein and transection of the liver parenchyma at the Falciform ligament or the Cantlie’s line together with isolation of the right and left livers by polyester or bio-absorbable synthetic material as the initial stage. The second stage that includes the resection of the right lobe is usually performed 7 ± 2 d later after evaluation of the hypertrophy of the remnant liver[6]. The procedure causes enhanced hypertrophy of the remnant liver (60%-90%) in a shorter period when compared to conventional radiologic portal vein occlusion (10 d vs 40 d)[7]. Its use in hepatic EA has not been previously. In the present study, we report a successful ALPPS procedure in 28 years old male patient with hepatic alveolar echinococcosis which is the first report of use of ALPPS in a hepatic hydatic disease.

CASE REPORT

A 28-year-old male patient with recurrent AE was referred to our Liver Transplant Center. Patient history revealed that patient had been on medical therapy for a long time and had been operated twice 1 year prior to admission to our center. In addition, he had received two percutaneous hepatic abscess drainage by interventional radiology. Physical examination of the patient showed that there was subcostal incision and distal to the incision there were two 7 Fr drainage catheters. Laboratory evaluation of the patient was as follows: hemoglobin: 12.6 g/dL; white blood cell count: 27.400; platelet count 480.000, galactosylhydroxylysyl: 113 U/L; ALP: 104 U/L, total bilirubin: 1.13 mg/dL, AST: 373 U/L, ALT: 268 U/L ve INR: 1.3. In order to evaluate the extent of the resectability of the disease both contrast enhanced multidetector computerized tomography (MDCT) and dynamic liver magnetic resonance imaging were obtained (Figures 1-3). In the MDCT, it was seen that there was a hypodense, lobulated masses in segment 4-8 that was 13 cm × 7.5 cm in diameter and had peripheral contrast enhancements in the post-contrast images. Furthermore, the right hepatic vein and the anterior branch of the right portal vein could not be identified. MDCT and the patient’s clinical situation was evaluated all together and decided that an extended right hepatectomy may result in hepatic failure and organ allocation in the emergency setting may be difficult. Therefore, we decided to perform ALPPS procedure in order to provide segment 2-3 hypertrophy in this patient. A laparotomy was performed thorugh the old incision of the patient and dissection and mobilization of the liver took 4 h. The right hepatic lobe was completely dissected away from the inferior vena cava and the right hepatic vein was completely identified to perform ALPPS procedure. This was followed by the hilar dissection and identification of the right hepatic artery originating from the superior mesenteric artery and the bile duct bifurcation was identified and marked by a vascular tape. The right branch of portal vein was identified and transected using a vascular stapler. Hepatic parenchyma transection was performed using cavitron ultrasonic surgical aspirator (CUSA; ValleyLab, Boulder, CO, United States) so that extended right hepatectomy can be performed leaving segment 2 and 3 intact. In order to prevent parenchymal adhesion a drape covered sheet barrier was inserted in to the transection plane. The postoperative course was uneventful and the patient was re-operated for definitive procedure in the postoperative eighth day. The right hepatic artery, right hepatic vein and the bile duct was transected without any problem.

Figure 1
Figure 1 T2 axial dynamic liver magnetic resonance imaging. A mass lesion with heterogenous signal density that completely occupies segment 4 and right hepatic lobe and contains air densities (black arrow) and infected collection (white arrow).
Figure 2
Figure 2 Preoperative axial venous phase multidetector computerized tomography image. A percutaneous drainage catheter to drain the infected content of the lesion is seen (white arrow). Furthermore, it observed that the cystic lesion causes a retraction in the hepatic capsule and shows invasion to surrounding tissue with millimetric amorphous calcification foci (black arrow).
Figure 3
Figure 3 Preoperative reconstructed coronal multidetector computerized tomography images. The lesion is invading the right hepatic vein but did not extend to the retrohepatic inferior vena cava.

Serum bilirubin and GGT levels of the patient were elevated in the postoperative course. Endoscopic retrograde cholangio-pancreatico-ductography was attempted but failed and a percutaneous trans-hepatic cholangiogram (PTC) guided drainage catheter was inserted. PTC showed severe stenosis of the biliary tract and the guide wire could not be inserted in to the common bile duct. The patient was discharged with an external biliary drainage catheter (Figure 4). PTC guided intervention was repeated after the patient’s general condition improved and again showed severe stenosis preventing any intervention. A surgical exploration was planned. A guide wire was inserted through the drainage catheter and the left branch of the bile duct was identified. Roux-en-Y Hepaticojejunostomy was performed. A control cholangiogram performed on the postoperative 6th week showed that contrast flow through the anastomosis was normal. The drainage catheter was extracted and patient was followed up with a six months course of albendazole therapy (Figure 5).

Figure 4
Figure 4 Postoperative axial phase multidetector computerized tomography image. Extended right hepatectomy involving the right lobe and segment IV is performed remaining the segment II and III. Segment III bile duct is dilated (white arrow) and an external biliary drainage catheter is seen inside the bile duct (black arrow).
Figure 5
Figure 5 Intraoperative cholangiography through the external biliary drainage catheter following hepaticojejunostomy is seen. The images following contrast injection demonstrates patent bile ducts and no leakage from the anastomosis site.
DISCUSSION

AE can be located in almost every organ or tissue of the body, although the liver is the most commonly involved organ. It has a multi-vesicular and invasive clinical behavior. Furthermore, it shows hematogenous metastasis to distant organs such as the brain, lung and bone[8]. Mortality rate is high in untreated, extensive or distant organ metastasis cases (90% within 10 years, about 100% within 15 years after the onset of 15 years)[1]. It is an extensive disease of the liver and in 70% of the cases right lobe is affected and 20% of the cases show bilateral involvement. At the time of the diagnosis, in 40% of the cases hepatic hilum is involved[9]. Margin negative resection and medical therapy provides the only chance of cure. Radical resection rates have been reported to be between 15%-85% changing according to the extent of the disease[10]. In Turkey, Aydinli et al[11] have reported the resection rate to be 47% in their series. Otherwise, patients with unresectable lesions, liver failure, recurrent cholangitis are bound for liver transplantation which accounts for 14% of the cases[11,12]. In the majority of patients with unresectable alveolar echinococcosis cases require lifelong medical therapy with antihelminthics and amphotericine B, all of which have only modest efficacy in disease control. Therefore, we thought that ALPPs treatment may be an alternative treatment modality in approach to extensive AE disease in cases where surgical treatment is thought to be impossible.

ALPPS is the procedure of choice in the extensive liver lesions with marginal resectability and borderline future remnant liver volumes. Schadde et al[13] have reported that ALPPS provided margin negative (R0) resection in 91% of the cases with various hepatic malignancies. They reported the morbidity and mortality of ALPPS was 40% and 11%; respectively[13]. Therefore; it should be performed in centers with experience in liver surgery and transplantation such as our liver transplant center. Our Liver Transplant Center is highly experienced in liver surgery and has an average of 400 liver operations per year including 210-220 liver transplantation and 180-200 liver resection. Our experience on ALPPS procedure has begun to increase in the last year and we often apply it to primary and metastatic tumors of the liver. According to our knowledge, the present patient is the first extensive hepatic AE case that ALPPS procedure has been applied in the literature.

Embolization of the portal vein branches have been used for induction of hypertrophy of the future remnant liver. ALPPS seems to be superior in degree of induction of remnant liver hypertrophy and it seems to induce this hypertrophy in shorter period when compared to portal vein embolization[14]. Therefore, in hepatic tumors with borderline resectability ALPPS is a good alternative to portal vein embolization that provide high resectability rates in cases with hepatic tumors who can tolerate major abdominal surgery. Use of ALPPS procedure for benign liver tumors or parasitic infestations have not been reported until now.

In the present case, our patient was a twenty-eight years old male patient with extensive hepatic AE occupying right lobe and segment 4 of the liver. There are several reasons regarding our choice of ALPPS procedure in our patient. First of all, our patient was young and his medical condition tolerated such a major hepatic surgery. Secondly, attempt to perform embolization of the right branch of portal vein could have failed because the MDCT images showed invasion and occlusion of right portal and right hepatic veins. Furthermore, there have been two attempts for surgery in the medical history which did not succeed. Therefore, we believed that ALPPS procedure could provide necessary hypertrophy in the future liver remnant in a considerably shorter period and provide means for radical resection.

In conclusion, in the present study we have shown the feasibility and efficacy of ALPPS procedure in resection of recurrent hepatic alveolar echinococcosis in a young patient. In selected patient groups with benign liver disease with extensive hepatic involvement ALPPS can be safely used in centers which have expertise in liver transplantation and major hepatic surgery.

ARTICLE HIGHLIGHTS
Case characteristics

A 28-years-old male patient was referred to our Liver Transplant Center because of recurrent advanced alveolar echinococcosis.

Clinical diagnosis

The patient was diagnose with extensive hepatic alveolar echinococcosis.

Differential diagnosis

The different diagnosis was many malignant liver tumors.

Laboratory diagnosis

An elevated blood AST and ALT levels suggested parenchymal damage.

Imaging diagnosis

Both multidetector computerized tomography and dynamic liver magnetic resonance imaging demonstrated extensive hepatic alveolar echinococcosis.

Pathological diagnosis

Alveolar echinococcosis.

Treatment

Associating Liver Partition and Portal Vein Ligation for Staged Hepatectomy.

Related reports

According to our knowledge, the present patient is the first extensive hepatic AE case that ALPPS procedure has been applied in the literature.

Term explanation

ALPPS: Associating Liver Partition and Portal Vein Ligation for Staged Hepatectomy.

Experiences and lessons

In selected patient groups with benign liver disease with extensive hepatic involvement ALPPS can be safely used in centers which have expertise in major hepatic surgery.

Footnotes

Manuscript source: Invited Manuscript

Specialty type: Gastroenterology and hepatology

Country of origin: Turkey

Peer-review report classification

Grade A (Excellent): A

Grade B (Very good): 0

Grade C (Good): 0

Grade D (Fair): 0

Grade E (Poor): 0

P- Reviewer: Harizanov RN S- Editor: Cui LJ L- Editor: A E- Editor: Song XX

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