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Yu Y, Xia M, Fu S, Ni J, Peng K, Mao Y, Xie N, Luo S, Lu L, Luo H, Wan X, Hu B, Li B. Combining brushing cytology with simultaneous vacuum aspiration in suspicious biliopancreatic malignancies: A multicenter propensity score-matched study (with video). Dig Liver Dis 2024; 56:641-647. [PMID: 37748937 DOI: 10.1016/j.dld.2023.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 09/08/2023] [Accepted: 09/12/2023] [Indexed: 09/27/2023]
Abstract
BACKGROUND Brush cytology during endoscopic retrograde cholangiopancreatography (ERCP) is a standard approach in diagnosing biliopancreatic strictures, with yet unsatisfying sensitivity. AIMS We brought additional simultaneous vacuum aspiration to brushing process and re-evaluate the diagnostic performance. METHODS This multi-centered retrospective study was conducted in three tertiary centers. Consecutive patients with biliopancreatic strictures were identified. The patients were divided into two arms: the conventional arm (CA) receiving general brushing approach, and the modified arm (MA) being treated with additional vacuum aspiration when performing bushing. The 1:1 propensity-score matching was implemented to tackle the selective biases. RESULTS A total of 555 patients were identified and 200 patient pairs (193 males, 207 females, with a mean age of 68.1 ± 13.1 years.) fell into the ultimate evaluation. A final diagnosis of malignant stricture was established in 243 patients. The diagnostic yield of the MA group was substantially better than that of the CA group, whether "suspicious malignancies" were considered malignancies or not. The rates of sensitivity, specificity and accuracy were 46.2%, 100%, 68.0% in the MA group, and 15.3%, 98.7%, and 47.0% in the CA group respectively. CONCLUSIONS Brushing accompanied by simultaneous vacuum aspiration at ERCP improves the diagnostic yield in suspicious biliopancreatic malignancies.
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Affiliation(s)
- Yineng Yu
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Doctor of Medicine, China
| | - Mingxing Xia
- Department of Gastroenterology, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Doctor of Medicine, China
| | - Sengwang Fu
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Doctor of Medicine, China
| | - Jianbo Ni
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Doctor of Medicine, China
| | - Kui Peng
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Doctor of Medicine, China
| | - Yuqing Mao
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Doctor of Medicine, China
| | - Ni Xie
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Doctor of Medicine, China
| | - Shengzheng Luo
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Doctor of Medicine, China
| | - Lungen Lu
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Doctor of Medicine, China
| | - Hui Luo
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Doctor of Medicine, China
| | - Xinjian Wan
- Department of Gastroenterology, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Doctor of Medicine, China.
| | - Bing Hu
- Department of Endoscopy, The Third Affiliated Hospital of Naval Military Medical University, Doctor of Medicine, Doctor of Philosophy, China.
| | - Baiwen Li
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Doctor of Medicine, China.
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Liu B, Ge D, Shan Y, Li Y, Lv J, Gan S. The Value of Percutaneous Ultrasound-Guided Subacromial Bursography for Rotator Cuff Tear in Elderly Patients with Shoulder Pain. J Pain Res 2023; 16:1895-1906. [PMID: 37287825 PMCID: PMC10243717 DOI: 10.2147/jpr.s392833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Accepted: 04/03/2023] [Indexed: 06/09/2023] Open
Abstract
Objective Based on the analysis of the images of acromial slide, we explored the application of percutaneous ultrasound-guided subacromial bursography (PUSB) on rotator cuff tear (RCT) in diagnosing elderly patients with shoulder pain. Methods Eighty-five patients who were clinically diagnosed with RCT and underwent PUSB examination in the department of ultrasound in our hospital were enrolled as the subjects. Independent samples t-test was used to analyze the general characteristics. Based on the gold standard of shoulder arthroscopy, the diagnostic efficacy of ultrasound, magnetic resonance imaging (MRI), and PUSB was evaluated. The sensitivity, specificity, positive and negative predictive values, and accuracy were calculated as well. The consistency of these techniques with shoulder arthroscopy in diagnosing the RCT stage was additionally compared using Kappa test. Results In patients with large full-thickness RCT, the 100% detection rate was achieved by the techniques of ultrasound, MRI, and PUSB. For patients with small full-thickness RCT, the detection rate of PUSB (100%) was evidently higher than those of ultrasound and MRI. Similar results were shown in the detection rates of patients with bursal-side partial-thickness RCT (90.5%) and articular-side partial-thickness RCT (86.9%). More importantly, the sensitivity, specificity, and accuracy of PUSB in patients with both full-thickness RCT and partial-thickness RCT were significantly better than those of ultrasound and MRI. Conclusion PUSB has a better efficacy in the detection of RCT than ultrasound and MRI, showing its feasibility as an important imaging method to evaluate the degree of RCT.
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Affiliation(s)
- Bili Liu
- Department of Ultrasound, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, 310007, People’s Republic of China
| | - Dan Ge
- Department of Ultrasound, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, 310007, People’s Republic of China
| | - Yue Shan
- Department of Ultrasound, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, 310007, People’s Republic of China
| | - Yanping Li
- Department of Ultrasound, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, 310007, People’s Republic of China
| | - Juan Lv
- Department of Ultrasound, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, 310007, People’s Republic of China
| | - Shuzhi Gan
- Department of Ultrasound, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, 310007, People’s Republic of China
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Yoon SB, Moon SH, Ko SW, Lim H, Kang HS, Kim JH. Brush Cytology, Forceps Biopsy, or Endoscopic Ultrasound-Guided Sampling for Diagnosis of Bile Duct Cancer: A Meta-Analysis. Dig Dis Sci 2022; 67:3284-3297. [PMID: 34263382 DOI: 10.1007/s10620-021-07138-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Accepted: 06/25/2021] [Indexed: 12/11/2022]
Abstract
Endoscopic sampling is essential for tissue diagnosis of cholangiocarcinoma (CCA). To evaluate and compare the diagnostic sensitivities of endoscopic retrograde cholangiopancreatography-guided brush cytology biopsy, and endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) in patients with CCA. A comprehensive literature search through multiple databases was conducted for articles published between January 1995 and August 2020. The pooled rates of sensitivity for the diagnosis of CCA and of adverse events were compared among brushing, biopsy, brushing & biopsy, and EUS-FNA. In total, 1123 patients with CCA (32 studies), 719 patients (20 studies), 358 patients (13 studies), and 422 patients (17 studies) were tested by brushing, biopsy, brushing & biopsy, and EUS-FNA, respectively. The pooled diagnostic sensitivity was 56.0% (95% confidence interval (CI) 48.8-63.1%, I2 = 83.0%) with brushing, 67.0% (95% CI 60.2-73.5%, I2 = 72.5%) with biopsy, 70.7% (95% CI 64.1-76.8%, I2 = 42.7%) with brushing & biopsy, and 73.6% (95% CI 64.7-81.5%, I2 = 74.7%) with EUS-FNA. The diagnostic sensitivity was significantly lower for brushing than for biopsy, brushing & biopsy, or EUS-FNA. No significant difference was noted in diagnostic sensitivities among biopsy, brushing & biopsy, and EUS-FNA. Adverse events were comparable between the groups. Intraductal biopsy, brushing & biopsy, and EUS-FNA had comparable efficacy and safety for the diagnosis of CCA. Brushing was the least sensitive diagnostic tool compared with intraductal biopsy or EUS-FNA. Given the modest diagnostic sensitivities of intraductal biopsy and EUS-FNA in the diagnosis of CCA, further studies for complementing these techniques with biomarkers may be needed.
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Affiliation(s)
- Seung Bae Yoon
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Sung-Hoon Moon
- Department of Internal Medicine, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, 22, Gwanpyeong-ro 170 beon-gil, Dongan-gu, Anyang, Gyeonggi-do, 14068, South Korea. .,Institute for Liver and Digestive Diseases, Hallym University, Chuncheon, South Korea.
| | - Sung Woo Ko
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Hyun Lim
- Department of Internal Medicine, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, 22, Gwanpyeong-ro 170 beon-gil, Dongan-gu, Anyang, Gyeonggi-do, 14068, South Korea.,Institute for Liver and Digestive Diseases, Hallym University, Chuncheon, South Korea
| | - Ho Suk Kang
- Department of Internal Medicine, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, 22, Gwanpyeong-ro 170 beon-gil, Dongan-gu, Anyang, Gyeonggi-do, 14068, South Korea.,Institute for Liver and Digestive Diseases, Hallym University, Chuncheon, South Korea
| | - Jong Hyeok Kim
- Department of Internal Medicine, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, 22, Gwanpyeong-ro 170 beon-gil, Dongan-gu, Anyang, Gyeonggi-do, 14068, South Korea.,Institute for Liver and Digestive Diseases, Hallym University, Chuncheon, South Korea
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Inchingolo R, Acquafredda F, Posa A, Nunes TF, Spiliopoulos S, Panzera F, Praticò CA. Endobiliary biopsy. World J Gastrointest Endosc 2022; 14:291-301. [PMID: 35719901 PMCID: PMC9157693 DOI: 10.4253/wjge.v14.i5.291] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 01/22/2022] [Accepted: 04/21/2022] [Indexed: 02/06/2023] Open
Abstract
The differential diagnosis between benign and malignant biliary strictures is challenging and requires a multidisciplinary approach with the use of serum biomarkers, imaging techniques, and several modalities of endoscopic or percutaneous tissue sampling. The diagnosis of biliary strictures consists of laboratory markers, and invasive and non-invasive imaging examinations such as computed tomography (CT), contrast-enhanced magnetic resonance cholangiopancreatography, and endoscopic ultrasonography (EUS). Nevertheless, invasive imaging modalities combined with tissue sampling are usually required to confirm the diagnosis of suspected malignant biliary strictures, while pathological diagnosis is mandatory to decide the optimal therapeutic strategy. Although EUS-guided fine-needle aspiration biopsy is currently the standard procedure for tissue sampling of solid pancreatic mass lesions, its diagnostic value in intraductal infiltrating type of cholangiocarcinoma remains limited. Moreover, the "endobiliary approach" using novel slim biopsy forceps, transpapillary and percutaneous cholangioscopy, and intraductal ultrasound-guided biopsy, is gaining ground on traditional endoscopic retrograde cholangiopancreatography and percutaneous transhepatic cholangiography endobiliary forceps biopsy. This review focuses on the available endobiliary techniques currently used to perform biliary strictures biopsy, comparing the diagnostic performance of endoscopic and percutaneous approaches.
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Affiliation(s)
- Riccardo Inchingolo
- Interventional Radiology Unit, "F. Miulli" General Regional Hospital, Acquaviva delle Fonti 70021, Italy
| | - Fabrizio Acquafredda
- Interventional Radiology Unit, "F. Miulli" General Regional Hospital, Acquaviva delle Fonti 70021, Italy
| | - Alessandro Posa
- Department of Radiology, Policlinico Universitario “A. Gemelli“, Rome 00186, Italy
| | - Thiago Franchi Nunes
- Interventional Radiology Unit, Universidade Federal de Mato Grosso do Sul, Campo Grande 79070-900, Brazil
| | - Stavros Spiliopoulos
- 2nd Department of Radiology, Interventional Radiology Unit, National and Kapodistrian University of Athens, Athens 12461, Greece
| | - Francesco Panzera
- Interventional Gastroenterology Unit, Madonna Delle Grazie Hospital, Matera 75100, Italy
| | - Carlos Alberto Praticò
- Unité d’Endoscopie Digestive, Hôpital Privé “Armand Brillard” 3/5 avenue Watteau, Nogent-sur-Marne 94130, France
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Xia LL, Su T, Li Y, Mao JF, Zhang QH, Liu YY. Improving rehabilitation and quality of life after percutaneous transhepatic cholangiography drainage with a rapid rehabilitation model. World J Clin Cases 2021; 9:10530-10539. [PMID: 35004984 PMCID: PMC8686152 DOI: 10.12998/wjcc.v9.i34.10530] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 09/09/2021] [Accepted: 10/15/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Percutaneous transhepatic cholangiography drainage (PTCD) effectively treats biliary obstruction. However, patients must maintain the drainage tube after hospital discharge, which may interfere with daily life and work, potentially causing psychological distress. Postoperative rehabilitation is crucial, and strengthened nursing interventions can shorten recovery time.
AIM The aim was to evaluate an inpatient model to shorten rehabilitation duration and improve quality of life after PTCD.
METHODS A total of 118 patients with malignant obstructive jaundice who were admitted to our hospital between May 2018 and January 2021 were included and divided into observational (with therapy) and control (no therapy) groups of 59 each.
RESULTS The observational group had fewer hospitalization days than the control group. The complication, the PTCD fixed-tube prolapse, and tube-related admission rates within 3 mo after PTCD were significantly lower in the observation group than in the control group (P < 0.05). The fatigue, pain, nausea, vomiting, pruritus, emaciation, and fever scores after PTCD decreased in both groups compared with the scores before PTCD (P < 0.05). The quality of life scores after the intervention were higher in the observation than in the control group (P < 0.05).
CONCLUSION The model promoted rehabilitation after PTCD, reduced post-PTCD complications, and the tube-related admissions in the 3 mo after the procedure, and improved the quality of life.
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Affiliation(s)
- Lu-Lu Xia
- Department of General Surgery, Hangzhou Red Cross Hospital, Hangzhou 310003, Zhejiang Province, China
| | - Ting Su
- Department of Emergency, Taizhou Hospital of Zhejiang Province, Linhai 317000, Zhejiang Province, China
| | - Yan Li
- Department of Gastroenterology, The Central Hospital of Lishui City, Lishui 323000, Zhejiang Province, China
- Department of Emergency, Zhuji People’s Hospital of Zhejiang Province, Zhuji 311800, Zhejiang Province, China
| | - Jun-Fang Mao
- Department of Emergency, Zhuji People’s Hospital of Zhejiang Province, Zhuji 311800, Zhejiang Province, China
| | - Qi-Hong Zhang
- Department of Emergency, Zhuji People’s Hospital of Zhejiang Province, Zhuji 311800, Zhejiang Province, China
| | - Yang-Yan Liu
- Department of Emergency, Zhuji People’s Hospital of Zhejiang Province, Zhuji 311800, Zhejiang Province, China
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Systematic review and meta-analysis of percutaneous transluminal forceps biopsy for diagnosing malignant biliary strictures. Eur Radiol 2021; 32:1747-1756. [PMID: 34537877 DOI: 10.1007/s00330-021-08301-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 08/11/2021] [Accepted: 08/23/2021] [Indexed: 01/18/2023]
Abstract
OBJECTIVES To perform a systematic review and meta-analysis to determine the diagnostic performance of percutaneous transluminal forceps biopsy (PTFB) for differentiating malignant from benign biliary stricture. METHODS A comprehensive literature search of the PubMed, EMBASE, and Ovid MEDLINE databases was conducted to identify original articles published between January 2001 and January 2021 reporting the diagnostic accuracy of PTFB. A random-effects model was used to summarize the diagnostic odds ratio and other measures of accuracy. RESULTS Fourteen studies involving 1762 patients met the inclusion criteria and were included in the meta-analysis. The meta-analysis summary estimates of PTFB for diagnosis of malignant biliary strictures were as follows: sensitivity 81% (95% confidence interval [CI], 78-81%); specificity 100% (95% CI, 98-100%); diagnostic odds ratio 85.34 (95% CI, 38.37-189.81). The area under the curve of PTFB was 0.948 in the diagnosis of malignant biliary strictures. The diagnostic sensitivity was higher in intrinsic (85%) than in extrinsic (73%) biliary strictures. The pooled rate of all complications was 10.3% (95% CI, 7.0-14.2%), including a major complication rate of 3.1%. CONCLUSION These data demonstrate that PTFB is sensitive and highly specific for diagnosing malignancy in biliary strictures. PTFB should be incorporated into future guidelines for tissue sampling in biliary cancer, especially in cases with failed endoscopic management. KEY POINTS • PTFB had a good overall diagnostic performance for differentiating malignant from benign biliary strictures, with a meta-analysis summary estimate of 81% for sensitivity and 100% for specificity. • PTFB had higher sensitivity for cholangiocarcinoma (85%) than for other cancers (73%). • PTFB had a 100% technical success rate and a 10.3% rate for complications, including a 3.1% rate for major complications.
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Driescher C, Fuchs K, Haeberle L, Goering W, Frohn L, Opitz FV, Haeussinger D, Knoefel WT, Keitel V, Esposito I. Bile-Based Cell-Free DNA Analysis Is a Reliable Diagnostic Tool in Pancreatobiliary Cancer. Cancers (Basel) 2020; 13:E39. [PMID: 33375555 PMCID: PMC7818177 DOI: 10.3390/cancers13010039] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 12/16/2020] [Accepted: 12/22/2020] [Indexed: 12/13/2022] Open
Abstract
Currently available serum biomarkers for pancreatobiliary cancers lack sensitivity and specificity and ultimate diagnosis still requires invasive procedures for histological confirmation. The detection of tumor-specific genetic aberrations with utilization of cell free DNA (cfDNA) is a less invasive approach than traditional tissue biopsies; however, it has not been implemented into clinical routine. In this study, we investigated bile as a liquid biopsy source in pancreatobiliary cancers and compared its potential as cell-free DNA source to plasma. Blood (n = 37) and bile (n = 21) samples were collected from patients affected by pancreatic ductal adenocarcinoma (PDAC) and extrahepatic cholangiocarcinoma (CCA) or with non-malignant biliary obstructions (blood n = 16; bile n = 21). Panel-based next generation sequencing (NGS) and digital droplet PCR (ddPCR) were applied for tumor mutation profiling. NGS results from matched tumor tissues (n = 29) served as comparison. Sequencing of cfDNA from bile resulted in detection of 96.2% of the pathogenic tumor mutations found in matched tissue samples. On the other hand, only 31.6% of pathogenic tumor mutations found in tissue could be detected in plasma. In a direct comparison, only half of the mutations detected in bile cfDNA were concordantly detected in plasma from the same patients. Panel NGS and ddPCR displayed comparable sensitivity. In conclusion, bile is a suitable source of cfDNA for the diagnosis of pancreatobiliary cancer and performs more reliably than plasma. Although primary diagnosis still requires histologic confirmation, bile-derived cfDNA could offer an alternative if tissue sampling is not feasible and might allow less invasive disease monitoring.
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Affiliation(s)
- Caroline Driescher
- Institute of Pathology, Heinrich-Heine-University and University Hospital of Duesseldorf, 40225 Duesseldorf, Germany; (C.D.); (L.H.); (W.G.); (L.F.); (F.V.O.)
| | - Katharina Fuchs
- Department of Gastroenterology, Hepatology and Infectious Diseases, Heinrich-Heine-University and University Hospital of Duesseldorf, 40225 Duesseldorf, Germany; (K.F.); (D.H.); (V.K.)
| | - Lena Haeberle
- Institute of Pathology, Heinrich-Heine-University and University Hospital of Duesseldorf, 40225 Duesseldorf, Germany; (C.D.); (L.H.); (W.G.); (L.F.); (F.V.O.)
| | - Wolfgang Goering
- Institute of Pathology, Heinrich-Heine-University and University Hospital of Duesseldorf, 40225 Duesseldorf, Germany; (C.D.); (L.H.); (W.G.); (L.F.); (F.V.O.)
| | - Lisa Frohn
- Institute of Pathology, Heinrich-Heine-University and University Hospital of Duesseldorf, 40225 Duesseldorf, Germany; (C.D.); (L.H.); (W.G.); (L.F.); (F.V.O.)
| | - Friederike V. Opitz
- Institute of Pathology, Heinrich-Heine-University and University Hospital of Duesseldorf, 40225 Duesseldorf, Germany; (C.D.); (L.H.); (W.G.); (L.F.); (F.V.O.)
| | - Dieter Haeussinger
- Department of Gastroenterology, Hepatology and Infectious Diseases, Heinrich-Heine-University and University Hospital of Duesseldorf, 40225 Duesseldorf, Germany; (K.F.); (D.H.); (V.K.)
| | - Wolfram Trudo Knoefel
- Department of General, Thoracic and Pediatric Surgery, Heinrich-Heine-University and University Hospital of Duesseldorf, 40225 Duesseldorf, Germany;
| | - Verena Keitel
- Department of Gastroenterology, Hepatology and Infectious Diseases, Heinrich-Heine-University and University Hospital of Duesseldorf, 40225 Duesseldorf, Germany; (K.F.); (D.H.); (V.K.)
| | - Irene Esposito
- Institute of Pathology, Heinrich-Heine-University and University Hospital of Duesseldorf, 40225 Duesseldorf, Germany; (C.D.); (L.H.); (W.G.); (L.F.); (F.V.O.)
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