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Porzionato A, Pelletti G, Barzon L, Contran M, Emmi A, Arminio A, Macchi V, De Caro R. Intravascular large B-cell lymphoma affecting multiple cranial nerves: A histopathological study. Neuropathology 2021; 41:396-405. [PMID: 34541718 PMCID: PMC9293035 DOI: 10.1111/neup.12767] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 05/23/2021] [Accepted: 05/31/2021] [Indexed: 12/16/2022]
Abstract
Intravascular large B‐cell lymphoma (IVLBCL) is a rare form of lymphomas with poor prognosis, characterized by atypical lymphocytes selectively growing within the lumen of small or medium‐sized vessels. Here, we report a case of intracerebral IVLBCL in a 54‐year‐old man who died three months after symptom onset. The diagnosis was made by postmortem pathological examination, based on the identification of multiple ischemic lesions, with small or medium‐sized vessels filled with malignant B‐cells, in the cerebral hemispheres, cerebellum, midbrain, and medulla oblongata, including the external cuneate nucleus and trigeminal spinal tract nucleus. Apart from necrotic lesions, specific histopathological search for occluded vessels in the other brain stem structures permitted identification of significant involvement of the cuneate nucleus, solitary tract nucleus, hypoglossal nucleus, and inferior olivary complex. Small vessels affected by IVLBCL were also found in the trunks of the oculomotor, trigeminal, glossopharyngeal, vagal, and hypoglossal nerves. These histopathological findings were consistent with some cranial nerve symptoms/signs ascertained during hospitalization, such as diplopia, dysphonia, and asymmetry/hypomotility of the palatal veil. The case study presented here reports novel insights on radiological, anatomical, and clinical correlations of the IVLBCL, including the possible involvement of nuclei and trunks of multiple cranial nerves. The reported findings may help clinicians in the early identification of this rapidly progressive disease that can be easily misdiagnosed, through integrated neuroradiological, neurological and neuropathological approaches.
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Affiliation(s)
- Andrea Porzionato
- Section of Human Anatomy, Department of Neuroscience, University of Padova, Padova, Italy
| | - Guido Pelletti
- Section of Legal Medicine, Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Luisa Barzon
- Department of Molecular Medicine, University of Padova, Padova, Italy
| | - Martina Contran
- Section of Human Anatomy, Department of Neuroscience, University of Padova, Padova, Italy
| | - Aron Emmi
- Section of Human Anatomy, Department of Neuroscience, University of Padova, Padova, Italy
| | - Angelo Arminio
- Section of Legal Medicine, Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Veronica Macchi
- Section of Human Anatomy, Department of Neuroscience, University of Padova, Padova, Italy
| | - Raffaele De Caro
- Section of Human Anatomy, Department of Neuroscience, University of Padova, Padova, Italy
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Wahab MA, Abdel-Khalek EE, Elshoubary M, Yassen AM, Salah T, Sultan AM, Fathy O, Elmorshedi M, Shiha U, Elsadany M, Adly R, Samy M, Shehta A. Predictive Factors of De Novo Malignancies After Living-Donor Liver Transplantation: A Single-Center Experience. Transplant Proc 2021; 53:636-644. [PMID: 33549346 DOI: 10.1016/j.transproceed.2021.01.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 11/14/2020] [Accepted: 01/08/2021] [Indexed: 11/17/2022]
Abstract
BACKGROUND De novo malignancies are a major reason of long-term mortalities after liver transplantation. However, they usually receive minimal attention from most health care specialists. The current study aims to evaluate our experience of de novo malignancies after living-donor liver transplantation (LDLT). METHODS We reviewed the data of patients who underwent LDLT at our center during the period between May 2004 and December 2018. RESULTS During the study period, 640 patients underwent LDLT. After a mean follow-up period of 41.2 ± 25.8 months, 15 patients (2.3%) with de novo malignancies were diagnosed. The most common de novo malignancies were cutaneous cancers (40%), post-transplantation lymphoproliferative disorders (13.3%), colon cancers (13.3%), and breast cancers (13.3%). Acute cellular rejection (ACR) episodes occurred in 10 patients (66.7%). Mild ACR occurred in 8 patients (53.3%), and moderate ACR occurred in 2 patients (13.3%). All patients were managed with aggressive cancer treatment. The mean survival after therapy was 40.8 ± 26.4 months. The mean overall survival after LDLT was 83.9 ± 52.9 months. Twelve patients (80%) were still alive, and 3 mortalities (20%) occurred. The 1-, 5-, and 10-year overall survival rates after LDLT were 91.7%, 91.7%, and 61.1%, respectively. On multivariate regression analysis, smoking history, operation time, and development of ACR episodes were significant predictors of de novo malignancy development. CONCLUSIONS Liver transplant recipients are at high risk for the development of de novo malignancies. Early detection and aggressive management strategies are essential to improving the recipients' survival.
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Affiliation(s)
- Mohamed Abdel Wahab
- Department of Surgery, Gastrointestinal Surgery Center, College of Medicine, Mansoura University, Egypt
| | | | - Mohamed Elshoubary
- Department of Surgery, Gastrointestinal Surgery Center, College of Medicine, Mansoura University, Egypt
| | - Amr Mohamed Yassen
- Department of Anesthesia and Intensive Care, College of Medicine, Mansoura University, Egypt
| | - Tarek Salah
- Department of Surgery, Gastrointestinal Surgery Center, College of Medicine, Mansoura University, Egypt
| | - Ahmed Mohamed Sultan
- Department of Surgery, Gastrointestinal Surgery Center, College of Medicine, Mansoura University, Egypt
| | - Omar Fathy
- Department of Surgery, Gastrointestinal Surgery Center, College of Medicine, Mansoura University, Egypt
| | - Mohamed Elmorshedi
- Department of Anesthesia and Intensive Care, College of Medicine, Mansoura University, Egypt
| | - Usama Shiha
- Diagnostic & Interventional Radiology Department, Gastrointestinal Surgery Center, College of Medicine, Mansoura University, Egypt
| | - Mohamed Elsadany
- Department of Hepatology, College of Medicine, Mansoura University, Egypt
| | - Reham Adly
- Department of Anesthesia and Intensive Care, College of Medicine, Mansoura University, Egypt
| | - Mohamed Samy
- Department of Anesthesia and Intensive Care, College of Medicine, Mansoura University, Egypt
| | - Ahmed Shehta
- Department of Surgery, Gastrointestinal Surgery Center, College of Medicine, Mansoura University, Egypt.
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Patek B, Strahotin C. Early Onset Post-transplant Lymphoproliferative Disorder Presenting with Diarrhea Post-orthotopic Liver Transplant Treated Successfully with Single Rituximab Agent. Cureus 2019; 11:e6200. [PMID: 31890402 PMCID: PMC6919954 DOI: 10.7759/cureus.6200] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Post-transplant lymphoproliferative disorder (PTLD) is a rare complication seen in hematologic stem cell (HSC) and solid organ transplantation that results from immune suppressant medications needed to prevent allograft rejection. Epstein-Barr virus (EBV) has been implicated in a majority of these cases, specifically with B-cell-predominant lymphomas. We present a 57-year-old female who underwent an orthotopic liver transplant and presented with diarrhea and weight loss. At the time of transplantation, the patient's quantitative EBV titers were negative; however, repeat titers during her admission were positive. Infectious etiologies for diarrhea were negative so a colonoscopy was pursued which revealed large ulcerated areas and biopsies consistent with monomorphic, diffuse large B-cell lymphoma, plus EBV. Imaging revealed multiple areas below the diaphragm of lymphadenopathy. The patient was started on rituximab and antivirals, and immune suppressive medications were decreased with a resolution of her symptoms. PTLD after any transplantation can be difficult to diagnose, given the wide range of presenting symptoms. Identifying patients who are at high risk for developing PTLD may lead to a more timely diagnosis to initiate treatment and decrease mortality risk.
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Affiliation(s)
- Bonnie Patek
- Gastroenterology and Hepatology, Allegheny Health Network, Pittsburgh, USA
| | - Cristina Strahotin
- Gastroenterology and Hepatology, Allegheny Health Network, Pittsburgh, USA
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Eshraghian A, Imanieh MH, Dehghani SM, Nikeghbalian S, Shamsaeefar A, Barshans F, Kazemi K, Geramizadeh B, Malek-Hosseini SA. Post-transplant lymphoproliferative disorder after liver transplantation: Incidence, long-term survival and impact of serum tacrolimus level. World J Gastroenterol 2017; 23:1224-1232. [PMID: 28275302 PMCID: PMC5323447 DOI: 10.3748/wjg.v23.i7.1224] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Revised: 12/03/2016] [Accepted: 01/18/2017] [Indexed: 02/06/2023] Open
Abstract
AIM To investigate incidence and survival of post-transplant lymphoproliferative disorder (PTLD) patients after liver transplantation.
METHODS A cross-sectional survey was conducted among patients who underwent liver transplantation at Shiraz Transplant Center (Shiraz, Iran) between August 2004 and March 2015. Clinical and laboratory data of patients were collected using a data gathering form.
RESULTS There were 40 cases of PTLD in the pediatric age group and 13 cases in the adult group. The incidence of PTLD was 6.25% in pediatric patients and 1.18% in adult liver transplant recipients. The post-PTLD survival of patients at 6 mo was 75.1% ± 6%, at 1 year was 68.9% ± 6.5% and at 5 years was 39.2% ± 14.2%. Higher serum tacrolimus level was associated with lower post-PTLD survival in pediatric patients (OR = 1.07, 95%CI: 1.006-1.15, P = 0.032). A serum tacrolimus level over 11.1 ng/mL was predictive of post PTLD survival (sensitivity = 90%, specificity = 52%, area under the curve = 0.738, P = 0.035).
CONCLUSION Incidence of PTLD in our liver transplant patients is comparable to other centers. Transplant physicians may consider adjustment of tacrolimus dose to maintain its serum level below this cutoff point.
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Beal EW, Bennett S, Silski LS, Whitson B, Henry M, Black S. Rituximab, Dexamethasone, Cytarabine, and Cisplatin as Effective Platinum-Based Salvage Chemotherapy for Periportal Posttransplant Lymphoproliferative Disorder After an Orthotopic Liver Transplant. EXP CLIN TRANSPLANT 2014; 13:475-8. [PMID: 25184436 DOI: 10.6002/ect.2014.0053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Posttransplant lymphoproliferative disorder is a group of heterogenous disorders that occur after solid-organ transplant. The overall incidence is between 1% and 20%. In orthotopic liver transplant recipients, the reported incidence ranges from 2% to 10%, while the incidence is greater in children (9.7%-11%) and lesser in adults (1.7%-3%). The following treatment options are considered for patients with posttransplant lymphoproliferative disorder: reduction of immunosuppression, single-agent rituximab, rituximab and chemotherapy, surgery and radiation, antivirals targeted at the Epstein-Barr virus, and cytotoxic T-lymphocytes targeting the Epstein-Barr virus. This report describes a 61-year-old man who presented after an orthotopic liver transplant with a large periportal soft tissue mass that was shown on biopsy to be a monomorphic, CD20+, diffuse, large B-cell lymphoma, nongerminal center type. He was treated with reduced immunosuppression, followed by single-agent rituximab, then with an anthracycline-based chemotherapy regimen: rituximab, etoposide, prednisone, vincristine, doxorubicin, and then a platinum-based salvage chemotherapy with rituximab, dexamethasone, cytarabine, and cisplatin with a good response.
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Affiliation(s)
- Eliza W Beal
- From the Department of Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA
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6
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Prevalence and significance of perivascular soft tissue surrounding the hepatic artery after liver transplantation. J Comput Assist Tomogr 2014; 38:242-8. [PMID: 24448505 DOI: 10.1097/rct.0b013e3182ab08f9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVE The objective of this study was to determine the prevalence and significance of perivascular soft tissue surrounding the hepatic artery on computed tomography (CT) after liver transplantation. MATERIALS AND METHODS A total of 119 consecutive patients who underwent liver transplantation were retrospectively identified from a search of electronic medical records. Fourteen patients had histologic proof of posttransplant lymphoproliferative disease (PTLD). For each patient, the initial CT scan after transplantation, and the most recent CT scan if available, was analyzed for the presence of soft tissue in the porta hepatis region, particularly surrounding the transplanted hepatic artery. The hepatic artery was identified, and the maximum diameter of the soft tissue surrounding the vessel was measured and classified using the following scale: grade 0, none; grade 1, mild; grade 2, moderate; grade 3, moderate-large; and grade 4, large. RESULTS Prevalence of perivascular soft tissue was 93% in the initial CT scans and follow-up studies. Comparing the initial and follow-up soft tissue measurements, 34% decreased, 62% were unchanged, and 4% increased. Using the Fisher exact test and a Mann-Whitney test, there was no statistically significant difference in the prevalence or diameter of perivascular soft tissue when comparing patients with pathologically proven PTLD and patients with no PTLD. Twenty-nine of the 119 patients underwent 68 positron emission tomography/CT scans in the time interval analyzed. Ninety percent of these patients had no abnormal fluorodeoxyglucose activity in the porta hepatis and portacaval regions. CONCLUSIONS The presence of isolated perivascular soft tissue in patients after liver transplantation is a common finding and is not associated with lymphoproliferative disease.
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Pant C, Deshpande A, Larson A, O'Connor J, Rolston DDK, Sferra TJ. Diarrhea in solid-organ transplant recipients: a review of the evidence. Curr Med Res Opin 2013; 29:1315-28. [PMID: 23777312 DOI: 10.1185/03007995.2013.816278] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
OBJECTIVE To provide a comprehensive review of the literature as it relates to diarrhea in solid organ transplant (SOT) recipients. In this article, we review the epidemiology, pathogenesis, clinical manifestations, diagnosis and management of diarrhea in SOT recipients and discuss recent advances and challenges. METHODS Two investigators conducted independent literature searches using PubMed, Web of Science, and Scopus until January 1st, 2013. All databases were searched using a combination of the terms diarrhea, solid organ transplant, SOT, transplant associated diarrhea, and transplant recipients. Articles that discussed diarrhea in SOT recipients were reviewed and relevant cross-references also read and evaluated for inclusion. Selection bias could be a possible limitation of the approach used in selecting or finding articles for this article. FINDINGS Post-transplant diarrhea is a common and distressing occurrence in patients, which can have significant deleterious effects on the clinical course and well-being of the organ recipient. A majority of cases are due to infectious and drug-related etiologies. However, various other etiologies including inflammatory bowel disease must be considered in the differential diagnosis. A step-wise, informed approach to post-transplant diarrhea will help the clinician achieve the best diagnostic yield. The use of diagnostic endoscopy should be preceded by exclusion of an infectious or drug-related cause of diarrhea. Empiric management with antidiarrheal agents, probiotics, and lactose-free diets may have a role in managing patients for whom no cause can be determined even after an extensive investigation. CONCLUSIONS Physicians should be familiar with the common etiologies that result in post-transplant diarrhea. A directed approach to diagnosis and treatment will not only help to resolve the diarrhea but also prevent potentially life-threatening consequences including loss of the graft as well. Prospective studies are required to determine the etiology of post-transplant diarrhea in different clinical and geographic settings.
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Affiliation(s)
- Chaitanya Pant
- University of Oklahoma Health Sciences Center , Oklahoma City, OK , USA
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Ramos E, Hernández F, Andres A, Martínez-Ojinaga E, Molina M, Sarría J, Lopez-Santamaria M, Prieto G. Post-transplant lymphoproliferative disorders and other malignancies after pediatric intestinal transplantation: incidence, clinical features and outcome. Pediatr Transplant 2013; 17:472-8. [PMID: 23730927 DOI: 10.1111/petr.12103] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/30/2013] [Indexed: 12/22/2022]
Abstract
PTLDs are a well-recognized and potentially fatal complication after intestinal transplantation. We analyzed the incidence, clinical features, and outcome in a 63 intestinal transplantation series performed in our unit between October 1999 and July 2011. Types of graft included ISB (n = 23), LSB (n = 20), and MV (n = 20). Patients were categorized into three groups of immunosuppression: I (n = 43) received basiliximab, tacrolimus, and steroids; II (n = 11) thymoglobulin and tacrolimus, and III (n = 9) alemtuzumab and tacrolimus. EBV status was serially assessed. All PTLD cases were biopsied to establish histopathological diagnosis. The incidence of PTLD was 14.2% (9/63). Median onset of PTLD after transplant was four months (range: 0.5-28), within first postoperative year in 6 (66.6%) patients. Fever was the most common symptom. Graft removal was needed in four patients (44%). The patient survival rate was 66.6% (6/9). We have not found any association between PTLD and immunosuppression regimen or transplant type. However, there was a statistical association with EBV active infection.
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Affiliation(s)
- Esther Ramos
- Intestinal Rehabilitation Unit, University Hospital La Paz, Madrid, Spain.
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Crowley A, Connell J, Schaffer K, Hall W, Hassan J. Is there diagnostic value in detection of immunoglobulin g antibodies to the epstein-barr virus early antigen? Biores Open Access 2013; 1:291-6. [PMID: 23514966 PMCID: PMC3559238 DOI: 10.1089/biores.2012.0274] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The Epstein-Barr virus early antigen (EBV EA) complex consists of multiple proteins with potential significance for diagnosis of EBV-related diseases. In many individuals, detection of antibody to the early antigen (EA) is a sign of active infection, but 20% of healthy people may have this antibody for years. We studied the role of EA immunoglobulin G (IgG) in individuals with atypical antibody responses in the diagnosis of infectious mononucleosis (IM) and in EBV-infected transplant patients. EA IgG was present in 72% of confirmed IM patients. A trend was observed between high viral loads and the presence of EA IgG and between low viral loads and the absence of EA IgG in EBV-associated disease negative liver transplant recipients. Three assays that measure serum EA IgG were compared; enzyme-linked immunosorbent assay (ELISA), chemiluminescent immunoassay (CLIA), and immunoblot assay. The automated CLIA was found to be more accurate than the ELISA when using the immunoblot assay as a "gold standard" assay in the detection of EA IgG. There may be a potential role for EA IgG testing, together with EBV viral load, in the prediction of transplant recipients at risk of EBV-associated disease; however, EA IgG does not play a significant role in the differential diagnosis of EBV infection in immunocompetent individuals.
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Affiliation(s)
- Andrea Crowley
- National Virus Reference Laboratory, University College Dublin , Belfield, Dublin, Ireland
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Imadome KI, Fukuda A, Kawano F, Imai Y, Ichikawa S, Mochizuki M, Shigeta T, Kakiuchi T, Sakamoto S, Kasahara M, Fujiwara S. Effective control of Epstein-Barr virus infection following pediatric liver transplantation by monitoring of viral DNA load and lymphocyte surface markers. Pediatr Transplant 2012; 16:748-57. [PMID: 22764883 DOI: 10.1111/j.1399-3046.2012.01750.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
EBV-associated PTLD is a serious complication of liver transplantation. We performed periodical molecular EBV monitoring in 140 consecutive pediatric patients who had living-related liver transplantation in the National Center for Child Health and Development, Tokyo. Sixty-three of the 140 patients showed elevation of EBV DNA level to >10(2) copies/μg DNA and were further examined immunologically by flow cytometry, and the dose of tacrolimus and/or cyclosporine A was adjusted according to the results. The decrease in CD4/CD8 ratio and the increase in the number of HLA-DR(+) CD8(+) cells were observed in parallel with the decrease in EBV DNA load and in the number of CD19(+) CD23(+) cells following the reduction in immunosuppressive drugs. Analysis with HLA tetramers in a patient demonstrated a dramatic increase in the number of CD8(+) T cells specific to the EBV latent protein LMP2 accompanying the decline of EBV DNA load, suggesting that T cells of this specificity were actually involved in the control of EBV infection. No clinically apparent PTLD has developed in the 140 recipients, suggesting that our program of EBV control by molecular EBV monitoring coupled with lymphocyte phenotype analyses is effective in controlling EBV infection in pediatric liver transplant recipients.
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Affiliation(s)
- Ken-ichi Imadome
- Department of Infectious Diseases, National Research Institute for Child Health and Development, Setagaya-ku, Tokyo, Japan.
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Hegab B, Khalaf H, Allam N, Azzam A, Al Khail FA, Al-hamoudi W, Kamel Y, Al Bahili H, Al Sofayan M, Al-Sebayel M. De novo malignancies after liver transplantation: a single-center experience. Ann Saudi Med 2012; 32:355-8. [PMID: 22705604 PMCID: PMC6081011 DOI: 10.5144/0256-4947.2012.355] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND AND OBJECTIVES The recipients of liver transplantation (LT) are subjected to lifelong immunosuppression with its many drawbacks. De novo and recurrent malignancy in transplant recipients are attributed to attenuation of immunosurveillance. In the present study, we present our experience with de novo malignancies encountered after both deceased and living donor liver transplantations. DESIGN AND SETTING Retrospective study of patients referred to LT center between April 2001 and January 2010. PATIENTS AND METHODS Various data were collected including type of malignancy and histopathologic features, immunosuppression regimen, and patient survival. RESULTS Of 248 LT procedures performed in 238 patients (10 retransplants), 8 patients (3.4%) developed de novo post-LT malignancies. De novo malignancies included post-LT lymphoproliferative disorders (PTLD) in 5 patients who were all Epstein-Barr virus (EBV) positive, and who were treated successfully with anti-CD20 monoclonal antibody therapy, reduction of immunosuppression, and control of EBV activity; urinary bladder cancer in 1 patient who was treated with radical surgical resection and chemotherapy but died of bone and lung metastasis within 1 year of diagnosis; endometrial carcinoma in 1 patient who was treated with radical surgical resection; and Kaposi sarcoma in 1 patient who was successfully treated with surgical excision and reduction of immunosuppression. CONCLUSION EBV-associated PTLD is the most frequently encountered de novo malignancy after LT and is easily treatable by chemotherapy and reduction of immunosuppression.
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Affiliation(s)
- Bassem Hegab
- Department of Liver Transplantation and Hepatobiliary-Pancreatic Surgery, King Faisal Specialist Hospital and Research Center,Riyadh, Saudi Arabia.
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Dharnidharka VR, Lamb KE, Gregg JA, Meier-Kriesche HU. Associations between EBV serostatus and organ transplant type in PTLD risk: an analysis of the SRTR National Registry Data in the United States. Am J Transplant 2012; 12:976-83. [PMID: 22226225 DOI: 10.1111/j.1600-6143.2011.03893.x] [Citation(s) in RCA: 86] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
In a prior multiorgan transplant database study, recipient Epstein-Barr virus (EBV) seronegativity was not associated with increased risk for posttransplant lymphoproliferative disorders (PTLD) in liver transplants (LTX), at variance with prior single center reports and with data from kidney and heart transplants (KTX and HTX). The Scientific Registry of Transplant Recipients (SRTR) in the United States is the only other registry with data on the required variables for comparison.Our study set comprised 112 756 KTX (580 PTLDs; 0.51%), 13 937 HTX (140 PTLDs; 1.0%) and 40 437 LTX (383 PTLDs; 0.95%) performed January 2003 onward. The unadjusted hazard ratio (HR) for PTLD if recipient EBV seronegative was 5.005 for KTX, 6.528 for HTX and 2.615 for LTX (p < 0.001 for all). In models adjusted for multiple covariates, the adjusted HR was 3.583 (p < 0.001) for KTX, 4.037 (p < 0.001) for HTX, 1.479 (p = 0.03) for LTX. Interaction models using EBV seropositive KTX as reference group showed significantly higher risk for all other EBV seronegative organ transplant groups and also for EBV seropositive LTX (AHR 2.053, p < 0.0001).Recipient EBV seronegativity is still significantly associated with risk for PTLD in LTX, though less so because of higher baseline risk in the EBV seropositive LTX group.
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Affiliation(s)
- V R Dharnidharka
- College of Medicine, University of Florida, Gainesville, FL, USA.
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13
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Hartmann C, Schuchmann M, Zimmermann T. Posttransplant lymphoproliferative disease in liver transplant patients. Curr Infect Dis Rep 2011; 13:53-9. [PMID: 21308455 DOI: 10.1007/s11908-010-0145-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Posttransplant lymphoproliferative disorders (PTLD) are a life-threatening complication following solid organ transplantation. Many posttransplant lymphomas develop from the uncontrolled proliferation of Epstein-Barr virus (EBV)-infected B-cells, whereas EBV-negative PTLDs were increasingly recognized within the past decade. Major risk factors for the development of PTLDs after liver transplantation are immunosuppressive therapy and the type of underlying disease: viral hepatitis, autoimmune liver disease, or alcoholic liver cirrhosis contribute to an increased risk for PTLD. Therapeutic regimens include reduction of immunosuppression, the anti-CD20 antibody rituximab, and chemotherapy, as well as new approaches using interferon-α and anti-interleukin-6 antibodies. Despite the different therapeutic regimens, mortality from PTLD remains high. Therefore, it is of major importance to identify patients at risk at an early stage of the disease. In this review, risk factors for PTLD development after liver transplantation, clinical presentation, diagnosis, and therapy are discussed.
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Affiliation(s)
- Christina Hartmann
- 1st Department of Medicine, University of Mainz, Langenbeckstr. 1, 55131, Mainz, Germany,
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Valls C, Ruiz S, Martinez L, Leiva D, Busquets J, Serrano T, Fabregat J. Enlarged lymph nodes in the upper abdomen after liver transplantation: imaging features and clinical significance. Radiol Med 2011; 116:1067-75. [DOI: 10.1007/s11547-011-0690-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2010] [Accepted: 02/17/2011] [Indexed: 10/18/2022]
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Dierickx D, Tousseyn T, De Wolf-Peeters C, Pirenne J, Verhoef G. Management of posttransplant lymphoproliferative disorders following solid organ transplant: an update. Leuk Lymphoma 2011; 52:950-61. [PMID: 21338285 DOI: 10.3109/10428194.2011.557453] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Development of secondary malignancies is a well-known complication of solid organ transplant, with skin cancer and lymphoproliferative disorders being most frequently observed. Posttransplant lymphoproliferative disorders, caused by diminished immune surveillance, represent a broad spectrum of pathological and clinical disorders, ranging from benign conditions to very aggressive lymphomas. Here we review treatment options for adult patients experiencing posttransplant lymphoproliferative disorders following solid organ transplant.
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Affiliation(s)
- Daan Dierickx
- Department of Hematology, University Hospitals Leuven, Leuven, Belgium.
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Khedmat H, Taheri S. Early versus late outset of lymphoproliferative disorders post-heart and lung transplantation: The PTLD.Int Survey. Hematol Oncol Stem Cell Ther 2011; 4:10-6. [DOI: 10.5144/1658-3876.2011.10] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
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Mucha K, Foroncewicz B, Ziarkiewicz-Wróblewska B, Krawczyk M, Lerut J, Paczek L. Post-transplant lymphoproliferative disorder in view of the new WHO classification: a more rational approach to a protean disease? Nephrol Dial Transplant 2010; 25:2089-98. [PMID: 20576725 DOI: 10.1093/ndt/gfq231] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
Post-transplant lymphoproliferative disorders (PTLDs) are serious, life-threatening complications of solid-organ transplantation (SOT) and bone marrow transplantation leading to a high mortality (30-60%). PTLD represents a heterogeneous group of lymphoproliferative diseases. They become clinically relevant because of the expansion of transplantation medicine together with the development of potent immunosuppressive drugs. Although the diagnostic morphological criteria of different forms of PTLD are commonly known, rapid and correct diagnosis is not always easy. Because of the limited number of clinical trials, a consensus is lacking on the optimal treatment of PTLD. This review focuses on incidence, risk factors, clinical picture of the disease and diagnostic tools including histopathology relating to the new classification introduced in 2008 by the World Health Organisation (WHO) and treatment of PTLD.
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Affiliation(s)
- Krzysztof Mucha
- Transplantation Institute, Department of Immunology, Transplantology and Internal Medicine, Warsaw Medical University, Warsaw, Poland.
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Gregorek H, Jankowska I, Dzierzanowska-Fangrat K, Teisseyre J, Sawicka A, Kasztelewicz B, Pawłowska J. Long-term monitoring of Epstein-Barr virus DNA load and humoral parameter abnormalities in pediatric liver transplant recipients before development of malignancy. Pediatr Transplant 2010; 14:629-35. [PMID: 20158667 DOI: 10.1111/j.1399-3046.2010.01293.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
EBV loads and abnormalities of humoral responses were monitored in 51 pediatric liver transplant recipients as a proposed non-invasive laboratory tool for early detection of changes preceding severe clinical complications. EBV DNA load, concentrations of IgM, IgG, IgA, and monoclonal proteins were determined in each blood sample. EBV DNA was detected in 70.6% of the children, dysgammaglobulinemia of one or more Ig isotype was present in 41.2% of them. MG detected in 43.1% of patients correlated with the presence of EBV DNA (p = 0.003) and was usually preceded by hypergammaglobulinemia. The median maximum EBV load was significantly higher in EBV DNA+/MG+ patients than in EBV DNA+/MG- patients (p = 0.04), although there was no correlation between current viral load and appearance of MG. Four of 15 EBV DNA-negative patients developed MG, preceded by hypergammaglobulinemia in two. Minimization or cessation of immunosuppression in 42 patients, in whom abnormal biomarkers and/or clinical symptoms raised suspicion of disease progression, permitted complete resolution of abnormalities in all but one patient who developed B-NHL and died. Simultaneous monitoring of protein profiles and EBV DNA load together with thorough physical evaluation of children after LTx is important for early implementation of suitable preemptive therapy.
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Affiliation(s)
- Hanna Gregorek
- Department of Clinical Microbiology and Immunology, The Children's Memorial Health Institute, Warsaw, Poland.
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Kataoka K, Seo S, Sugawara Y, Ota S, Imai Y, Takahashi T, Fukayama M, Kokudo N, Kurokawa M. Post-transplant lymphoproliferative disorder after adult-to-adult living donor liver transplant: case series and review of literature. Leuk Lymphoma 2010; 51:1494-501. [DOI: 10.3109/10428194.2010.492063] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Lymphoproliferative disorders and de novo malignancies in intestinal and multivisceral recipients: improved outcomes with new outlooks. Transplantation 2010; 88:926-34. [PMID: 19935465 DOI: 10.1097/tp.0b013e3181b7509c] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND Early experience with intestinal and multivisceral transplantation was plagued with high risk of rejection and posttransplant lymphoproliferative disorders (PTLD). To improve outcome, innovative management and immunosuppressant strategies were sequentially evolved. METHODS With initiation of the program in 1990, serial monitoring of Epstein-Barr-Viral load was introduced in 1994 with adoption of preemptive antiviral therapy. In 1995, cyclophosphamide or daclizumab induction was added to the tacrolimus-steroid-based multiple drug immunosuppressions. Such a conventional approach was replaced in 2001 with a novel immunosuppressive protocol consisting of recipient pretreatment with a single dose of rabbit antithymocyte globulin or alemtuzumab and posttransplant tacrolimus monotherapy. RESULTS With a total of 395 consecutive primary recipients, de novo malignancy(s) developed in 61 (15%) patients, with PTLD in 52 (13%), and nonlymphoid cancer (NLC) in 13 (3.2%). Malignancy was donor driven in 3 (4.6%) recipients and associated with graft-versus-host disease in 7 (11.4%). Children were at a significantly higher risk (P<0.001) of PTLD, and adults were more vulnerable (P=0.01) to NLC. With multivariate analyses, type of immunosuppression, recipient age, splenectomy, and treatment of rejection were significant PTLD risk factors. CONCLUSIONS Despite pretransplant lymphoid depletion, preemptive antiviral therapy and minimization of posttransplant immunosuppression significantly reduced PTLD morbidity (P=0.0001) and mortality (P=0.001) with no impact on NLC. Patient survival was also improved (P=0.0001) with 91% at 1 year and 75% at 5 years.
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Avoiding pitfalls: what an endoscopist should know in liver transplantation--part II. Dig Dis Sci 2009; 54:1386-402. [PMID: 19085103 DOI: 10.1007/s10620-008-0520-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2007] [Accepted: 08/27/2008] [Indexed: 02/07/2023]
Abstract
Over the last decade the number of patients undergoing transplantation has increased. At the same time, effective peri- and postoperative care and better surgical techniques have resulted in greater numbers of recipients achieving long-term survival. Identification and effective management in the form of adequate treatment is essential, since any delay in diagnosis or treatment may result in graft loss or serious threat to patient's life. Various aspects of endoscopic findings that can be commonly encountered among liver transplant recipients are discussed herein. Topics include: persistent and/or recurrent esophageal varices, reflux, Candida or cytomegalovirus (CMV) esophagitis, esophageal neoplasms, posttransplant peptic ulcer, biliary complications, posttransplant lymphoproliferative disorder (PTLD), Kaposi's sarcoma, CMV colitis and inflammatory bowel disease, colonic neoplasms, Clostridium difficile infection, and graft versus host disease (GVHD).
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22
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Araya CE, Mehta MB, González-Peralta RP, Hunger SP, Dharnidharka VR. Native kidney post-transplant lymphoproliferative disorder in a non-renal transplant patient. Pediatr Transplant 2009; 13:495-8. [PMID: 18673359 DOI: 10.1111/j.1399-3046.2008.01001.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
PTLD is an important post-transplant complication. Although PTLD affects kidney allografts after renal transplantation, it has not been reported in native kidneys of other solid organ recipients. Herein, we report a child who underwent an orthotropic liver transplant for cryptogenic cholestatic hepatitis and developed fever, generalized lymphadenopathy, chronic EBV viremia, and lymphatic PTLD. Subsequently, she also developed gross hematuria and nephrotic range proteinuria. Kidney histology revealed EBV-positive mononuclear infiltrates within the renal parenchyma consistent with PTLD. Electron microscopy examination demonstrated subepithelial electron-dense deposits consistent with a membranous glomerulopathy pattern. The PTLD was successfully treated with reduced immunosuppression and cyclic cyclophosphamide, rituximab, and prednisone, but the renal disease progressed to end-stage renal failure within two yr. Repeat kidney histology showed chronic nephropathy and membranous glomerulopathy without PTLD infiltrates or detectable EBV staining, although chronic viremia persisted. To our knowledge, this is the first such child to be reported and highlights the importance of remaining vigilant for renal PTLD even in non-kidney organ recipients.
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Affiliation(s)
- Carlos E Araya
- University of Florida College of Medicine, Gainesville, FL, USA
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Dineen R, Sibtain N, Karani J, Lenthall R. Cerebral manifestations in liver disease and transplantation. Clin Radiol 2008; 63:586-99. [DOI: 10.1016/j.crad.2007.08.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2007] [Revised: 08/15/2007] [Accepted: 08/17/2007] [Indexed: 11/24/2022]
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Mucha K, Foroncewicz B, Niemczyk K, Ziarkiewicz-Wróblewska B, Stanisławek-Sut O, Zieniewicz K, Krawczyk M, Paczek L. Tonsil enlargement after liver transplantation in adults--reason enough for tonsillectomy? Two cases of tonsillar posttransplantation lymphoproliferative disease. Liver Transpl 2007; 13:918-23. [PMID: 17539016 DOI: 10.1002/lt.21177] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Posttransplantation lymphoproliferative disease (PTLD) is a well-known complication of solid organ and bone marrow transplantation. It is agreed that the main causes of PTLD are chronic infection with Epstein-Barr virus (EBV); the intensity, rather then the type, of immunosuppression used; and underlying recipient disease. Hepatitis C virus (HCV) and cytomegalovirus, as cofactors of EBV infection, have been suggested to increase the risk of PTLD. Use of calcineurin inhibitors, anti-CD3 monoclonal antibody (OKT3), and antithymocyte globulin may increase the risk of PTLD. On the other hand, mycophenolate mofetil, sirolimus, and the anti-interleukin-2 receptor monoclonal antibodies Daclizumab and basiliximab have not been demonstrated to increase the risk of PTLD. The incidence of PTLD after liver transplantation (LT) is estimated to be 1.5-3%, but a tonsillar location is extremely rare in adults. Thus, little is known about the best diagnostic tools for and treatment by LT recipients with tonsillar PTLD. Here, we report 2 cases of adult LT recipients with tonsillar PTLD. Tonsillectomy was used as a diagnostic tool and treatment option and resulted in complete remission for >2 years. Considering the high mortality and diagnostic difficulties of PTLD, together with the relatively low risks of tonsillectomy, we recommend tonsillectomy for treating tonsil enlargement of unknown cause and suspected PTLD in LT recipients. A larger series of patients and prospective studies comparing different treatment options will be needed to substantiate our recommendation.
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Affiliation(s)
- Krzysztof Mucha
- Transplantation Institute, Department of Immunology, Transplantology and Internal Medicine, Warsaw Medical University, Warsaw, Poland.
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Koch DG, Christiansen L, Lazarchick J, Stuart R, Willner IR, Reuben A. Posttransplantation lymphoproliferative disorder--the great mimic in liver transplantation: appraisal of the clinicopathologic spectrum and the role of Epstein-Barr virus. Liver Transpl 2007; 13:904-12. [PMID: 17539010 DOI: 10.1002/lt.21152] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Case series describing posttransplantation lymphoproliferative disorder (PTLD) after liver transplantation (LTx) have been limited in number because of the rarity of the disorder. The prevalence of Epstein-Barr virus (EBV) infection and its detection, the clinical and histological diversity of disease, and survival have varied. The aim of this study is to define the clinical and pathological spectrum of PTLD after LTx, and evaluate EBV prevalence, impact of infection, and patient survival. A retrospective analysis of all LTx recipients at our institution diagnosed with PTLD from January 1990 until May 2005, recording clinical presentations, times of presentation after transplantation, histological findings, results of EBV assessment, and survival, as well as the interrelationship of these variables. Among 621 LTx recipients were 22 cases of PTLD in 21 patients, of whom 5 were children and 16 were adults. Extranodal disease was present in 17 of 22 cases (77%) involving a wide variety of organ systems, while 5/22 (23%) had lymphadenopathy. The spectrum of PTLD histopathology was equally varied. In situ hybridization for EBV showed negativity in 8 of 13 (62%) and positivity in 5 of 13 (38%) cases tested. Neither time interval from transplantation to presentation (median 33 months) nor mortality (average 32%) was influenced by EBV status. In conclusion, PTLD in LTx recipients is predominantly extranodal and can involve a wide variety of organ systems, which may confound initial diagnosis. The lymphoproliferative histological spectrum is also diverse. Nowadays, PTLD is frequently EBV-negative, and EBV status does not appear to influence clinical or pathological presentation, or survival.
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Affiliation(s)
- David G Koch
- Division of Gastroenterology and Hepatology, Department of Medicine, Medical University of South Carolina, Charleston, SC 29425, USA
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26
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Yao FY, Gautam M, Palese C, Rebres R, Terrault N, Roberts JP, Peters MG. De novo malignancies following liver transplantation: a case-control study with long-term follow-up. Clin Transplant 2007; 20:617-23. [PMID: 16968488 PMCID: PMC4050657 DOI: 10.1111/j.1399-0012.2006.00527.x] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND Long-term survival data on de novo malignancy are limited following orthotopic liver transplantation (OLT) when compared with controls without malignancies. METHODS Over a 12 yr period at our institution, 50 of 1043 patients (4.8%) who underwent OLT were identified to have 53 de novo malignancies. The clinical characteristics and survival of these patients were retrospectively reviewed and compared with a control cohort of 50 OLT recipients without malignancy matched with the incidence cases by age, year of OLT, sex, and type of liver disease. RESULTS Chronic hepatitis C, alcohol and primary sclerosing cholangitis were the three leading causes of liver disease. Skin cancer was the most common malignancy (32%), followed by gastrointestinal (21%), including five small bowel tumors, and hematologic malignancies (17%). The cases and controls were not significantly different in the immunosuppressive regimen (p = 0.42) or the number of rejection episodes (p = 0.92). The five- and 10-year Kaplan-Meier survival rates for the cases were 77% and 34%, respectively, vs. 84% and 70%, respectively, for the controls (p = 0.02 by log-rank test). Patients with skin cancers had survival similar to the controls, but significantly better than non-skin cancers (p = 0.0001). The prognosis for patients with gastrointestinal tumors was poor, with a median survival of 8.5 months after the diagnosis. CONCLUSION In this single institutional study, de novo malignancies after OLT were uncommon. Patients with non-skin cancer after OLT had diminished long-term survival compared with the controls. Our results differ from other reports in the high incidence of gastrointestinal malignancies with attendant poor prognosis.
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Affiliation(s)
- Francis Y Yao
- Department of Medicine, University of California San Francisco, San Francisco, CA 94143-0538, USA
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Perrillo R. Management of chronic hepatitis B virus infection: current perspectives for the nurse practitioner. ACTA ACUST UNITED AC 2006; 18:203-15. [PMID: 16681707 DOI: 10.1111/j.1745-7599.2006.00124.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
PURPOSE To address the clinical management of chronic hepatitis B virus (HBV) infection. DATA SOURCES Studies from the National Library of Medicine that examine the natural history, prevention, and antiviral therapy of chronic HBV infection, with emphasis on recent studies. CONCLUSIONS Chronic infection with HBV is a frequent cause of cirrhosis, liver cancer, and liver-related mortality worldwide. Strategies to prevent infection, screen for liver cancer in HBV carriers, and treat chronic hepatitis B are all important in managing this disorder. IMPLICATIONS FOR PRACTICE Much can be done to prevent and treat infection. Both classes of drugs to treat hepatitis B, nucleoside analogues and interferons, have advantages and disadvantages. Selection of therapy should be based on biochemical, histological, and virological parameters as well as consideration of several practical issues.
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Affiliation(s)
- Robert Perrillo
- Section of Gastroenterology and Hepatology, Ochsner Clinic Foundation, New Orleans, Louisiana 70121, USA.
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Kremers WK, Devarbhavi HC, Wiesner RH, Krom RAF, Macon WR, Habermann TM. Post-transplant lymphoproliferative disorders following liver transplantation: incidence, risk factors and survival. Am J Transplant 2006; 6:1017-24. [PMID: 16611339 DOI: 10.1111/j.1600-6143.2006.01294.x] [Citation(s) in RCA: 113] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
This study investigates retrospectively the incidence, risk factors and mortality of post-transplant lymphoproliferative disorders (PTLD) in adult orthotopic liver transplant (OLT) recipients. Among 1206 OLT recipients at a single institution, 37 developed a PTLD. The incidence of PTLD was highest during the first 18 months and relatively constant thereafter with cumulative incidence of 1.1% at 18 months and 4.7% at 15 years. The risk of PTLD was approximately 10% to 15% of the risk of death without PTLD. During the first 4 years following OLT, PTLD were predominantly related to EBV, while afterward most PTLD were EBV negative. Significant risk factors for PTLD in OLT recipients were transplantation for acute fulminant hepatitis during the first 18 months following OLT (HR=2.6, p=0.007), and rejection therapy with high-dose steroids (HR=4.5, p=0.049) and OKT3 (HR=3.9, p=0.016) during the previous year. Therapy with high-dose steroids or OKT3 (HR=3.6, p=0.0071) were also significant risk factors for PTLD-associated mortality. OLT recipients remain at risk for PTLD years after transplantation. The strong association of PTLD with rejection therapy and the worse post-PTLD prognosis among recipients of rejection therapy indicate the need to balance the risk of immunosuppression against the risk of PTLD following rejection treatment.
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Affiliation(s)
- W K Kremers
- The William J. von Liebig Transplant Center, Mayo Clinic and Mayo Clinic College of Medicine, Rochester, MN 55905, USA.
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Gökçe S, Süoğlu OD, Sökücü S, Gün F, Emiroğlu H, Celik A, Doğan O, Cevikbaş U. Primary nonresponse to anti-cd20 therapy in gastrointestinal posttransplant lymphoproliferative disorder. J Pediatr Gastroenterol Nutr 2006; 42:316-20. [PMID: 16540802 DOI: 10.1097/01.mpg.0000189333.85268.b9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Affiliation(s)
- Selim Gökçe
- Department of Pediatric Gastroenterology, Hepatology and Nutrition, Istanbul University Istanbul School of Medicine, Istanbul, Turkey
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30
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Affiliation(s)
- Jean-François Dufour
- Department of Clinical Pharmacology, University of Bern, Murtenstrasse 35, 3010 Bern, Switzerland.
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Taylor AL, Marcus R, Bradley JA. Post-transplant lymphoproliferative disorders (PTLD) after solid organ transplantation. Crit Rev Oncol Hematol 2005; 56:155-67. [PMID: 15979320 DOI: 10.1016/j.critrevonc.2005.03.015] [Citation(s) in RCA: 326] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2004] [Revised: 02/25/2005] [Accepted: 03/04/2005] [Indexed: 01/11/2023] Open
Abstract
Post-transplant lymphoproliferative disorders (PTLD) are a well-recognised and potentially fatal complication after solid organ transplantation. They include a spectrum of disorders ranging from benign hyperplasia to invasive malignant lymphoma. The majority of cases are associated with Epstein Barr virus (EBV)-driven tumour formation in B cells and are a consequence of the detrimental effect of immunosuppressive agents on the immune-control of EBV. This review provides an update on the pathogenesis and clinical features of PTLD after solid organ transplantation and discusses recent progress in management. Reduction in immunosuppressive therapy remains a key component of therapy for EBV-positive PTLD and may lead to remission in early disease. Chemotherapy is used when reduced immunosuppression fails to control early disease and as initial therapy for many cases of late disease. Unfortunately, the mortality for PTLD that fails to respond to a reduction in immunosuppression remains high. Newer treatments include manipulation of the cytokine environment, B lymphocyte depleting antibodies and adoptive T cell immunotherapy using allogeneic or autologous EBV-specific cytotoxic T lymphocytes. Although early results appear promising, well-designed clinical trials are needed to assess the efficacy of these novel approaches. EBV vaccination may in the future prove an effective prophylaxis against EBV-driven PTLD but until then, avoiding excessive immunosuppressive therapy may help minimise the risk of PTLD.
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Affiliation(s)
- Anna L Taylor
- Department of Surgery, University of Cambridge Clinical School, Box 202, Addenbrooke's Hospital, Hills Road, Cambridge CB2 2QQ, UK
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Abstract
BACKGROUND Infection with the hepatitis B virus (HBV) affects two billion people worldwide, and an estimated 400 million people are chronically infected. Currently, FDA-approved regimens for the treatment of chronic HBV include interferon-alpha2b, peginterferon-alpha2a, lamivudine, adefovir dipivoxil, and recently, entecavir. OBJECTIVE The purpose of this review is to evaluate the pharmacokinetic and pharmacodynamic properties, and the clinical efficacy and safety of entecavir in the treatment of nucleoside-naĩve and nucleoside-resistant HBeAg-positive and HBeAg-negative chronic hepatitis B (CHB). SEARCH METHODOLOGY: Computerized searches of PubMed and International Pharmaceutical Abstracts from 1985 to July 10, 2005, were performed with the search headings: entecavir, BMS-200475, and chronic hepatitis B. FINDINGS Entecavir, a new deoxyguanosine analog, represents a third agent within the nucleoside/nucleotide HBV polymerase inhibitor class with distinct advantages over lamivudine and adefovir dipivoxil: it has a three-step mechanism of action, is the most potent inhibitor of HBV DNA polymerase, is not associated with any major adverse effects, and has a limited potential for resistance. In phase II and III clinical trials, entecavir was found to be superior to lamivudine for all primary endpoints evaluated in both nucleoside-naïve and lamivudine-resistant patients. Entecavir was effective in both HBeAg-positive and HBeAg-negative nucleoside-naïve patients. At this time, optimal duration of entecavir therapy is unknown. CONCLUSION Entecavir represents a new first- or second-line treatment option for patients chronically infected with HBV. Long-term efficacy and safety studies as well as studies of entecavir in combination with interferon products or other nucleoside/nucleotide analogs are eagerly awaited.
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Affiliation(s)
- Anastasia Rivkin
- Arnold and Marie Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, NY 11201, USA.
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Abstract
PURPOSE OF REVIEW This review highlights recent publications on hepatobiliary pathology concerning several unusual types of hepatitis, fatty liver disease, disorders of the biliary tree and other topics that have a substantial impact on liver biopsy interpretation. RECENT FINDINGS In the outbreak of severe acute respiratory syndrome (SARS), many patients had abnormalities in liver function tests. Liver biopsy findings in three cases were reported that showed a generic picture of hepatitis, with exceptionally increased mitotic activity. The role of portal myofibroblasts in cirrhosis was examined in several studies. A newly described lesion, isolated ductular hyperplasia (IDH) was found in patients with prolonged abnormalities of liver function tests of uncertain origin. Hyperplastic, well-differentiated bile ductules were seen on liver biopsy in the absence of any identifiable biliary disease. Hereditary hemochromatosis is now a complex entity with various clinicopathological forms based on mutations in the HFE gene and other iron-homeostatic genes such as transferrin receptor 2 and ferroportin 1. In some of these heritable forms of primary iron overload, stainable iron is present in both hepatocytes and Kupffer cells. After liver transplantation, differentiating recurrent HCV infection from acute rejection on liver biopsy is problematic, with exceptionally low inter- and intra-observer reliability shown in one study. SUMMARY The hepatitis associated with the SARS coronavirus, Isolated Ductular Hyperplasia in patients with liver function test abnormalities and other topics with pathologic relevance are reviewed.
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Affiliation(s)
- Jay H Lefkowitch
- Department of Pathology, College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA.
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Draoua HY, Tsao L, Mancini DM, Addonizio LJ, Bhagat G, Alobeid B. T-cell post-transplantation lymphoproliferative disorders after cardiac transplantation: a single institutional experience. Br J Haematol 2004; 127:429-32. [PMID: 15521920 DOI: 10.1111/j.1365-2141.2004.05212.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Post-transplantation lymphoproliferative disorders (PTLDs) are a well-recognized and potentially life-threatening complication of solid organ transplantation. While the vast majority of PTLDs are B-cell lymphoproliferations, T-cell PTLDs are rarely seen. Among 898 patients receiving cardiac transplants between 1990 and 2003, 34 patients (3.8%) developed PTLDs with two (0.2%) T-cell PTLDs, 31 (3.5%) B-cell PTLDs and one (0.1%) natural killer cell PTLD. An additional three cases of T-cell PTLD were identified among all cardiac transplant patients followed at our institution. These T-cell PTLDs comprised a heterogeneous group of Epstein-Barr virus negative lymphoproliferations that developed late after transplantation and followed an aggressive course.
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Affiliation(s)
- H Y Draoua
- Department of Pathology, Columbia University, New York, NY, USA
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