Laurène Tardieu, Dany Anglicheau, Rebecca Sberro-Soussan, Mathilde Lemoine, Léonard Golbin, Ophélie Fourdinier, Julie Bruneau, Marina Charbit, Tchao Meatchi, Jean-Emmanuel Serre, Moglie Le Quintrec, Alexandre Karras, Eric Thervet, Hélène Lazareth
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Data on posttransplant EBV-SMT (PT-SMT) are scarce in kidney transplant recipients.</p>\n </section>\n \n <section>\n \n <h3> Methods</h3>\n \n <p>We conducted a national multicentric retrospective study and collected cases among transplantation centers in France. Kidney transplant recipients experiencing histologically proven PT-SMT were included. We collected data on demographic characteristics of patient, history of kidney transplantation, history of PT-SMT, evolution of graft function, and patient survival.</p>\n </section>\n \n <section>\n \n <h3> Results</h3>\n \n <p>Eight patients were included. The median age at PT-SMT diagnosis was 31 years (range 6.5–40). PT-SMT occurred after a median delay of 37.8 months after transplantation (range 6–175). PT-SMT management consisted in immunosuppressive regimen minimization in all patients. Introduction of mTOR inhibitors was performed in two patients. Four patients (50%) needed chemotherapy. Surgical resection was performed in four patients. At last follow-up after PT-SMT diagnosis (median 33 months (range 17–132)), five patients were considered in complete remission, and two patients had died. Two patients experienced graft rejection; two resumed dialysis (25%). All patients with available data presented with impaired graft function at last follow-up.</p>\n </section>\n \n <section>\n \n <h3> Conclusion</h3>\n \n <p>PT-SMT is a subacute and progressive disease during kidney transplantation. Even if the risk of developing PT-SMT is low in kidney transplant recipients (0.07% in our cohort), PT-SMT is associated with significant graft loss, possibly due to reduced immunosuppression. Developing guidelines could help transplantation teams better manage these patients.</p>\n </section>\n </div>","PeriodicalId":10467,"journal":{"name":"Clinical Transplantation","volume":null,"pages":null},"PeriodicalIF":1.9000,"publicationDate":"2024-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Epstein–Barr Virus-Associated Smooth Muscle Tumor After Kidney Transplantation: A French Multicenter Retrospective Study\",\"authors\":\"Laurène Tardieu, Dany Anglicheau, Rebecca Sberro-Soussan, Mathilde Lemoine, Léonard Golbin, Ophélie Fourdinier, Julie Bruneau, Marina Charbit, Tchao Meatchi, Jean-Emmanuel Serre, Moglie Le Quintrec, Alexandre Karras, Eric Thervet, Hélène Lazareth\",\"doi\":\"10.1111/ctr.15424\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div>\\n \\n \\n <section>\\n \\n <h3> Background</h3>\\n \\n <p>Epstein–Barr virus (EBV) is a herpesvirus linked to nine different human tumors and lymphoproliferative disorders. Immunosuppression promotes EBV-driven malignancies. The most frequent EBV-induced malignancies are lymphomas and nasopharyngeal carcinoma. By promoting smooth muscle proliferation, EBV can induce EBV-associated smooth muscle tumors (EBV-SMT). EBV-SMT is a rare oncological entity for which no current guideline for diagnosis or management exists. Data on posttransplant EBV-SMT (PT-SMT) are scarce in kidney transplant recipients.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Methods</h3>\\n \\n <p>We conducted a national multicentric retrospective study and collected cases among transplantation centers in France. Kidney transplant recipients experiencing histologically proven PT-SMT were included. We collected data on demographic characteristics of patient, history of kidney transplantation, history of PT-SMT, evolution of graft function, and patient survival.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Results</h3>\\n \\n <p>Eight patients were included. The median age at PT-SMT diagnosis was 31 years (range 6.5–40). PT-SMT occurred after a median delay of 37.8 months after transplantation (range 6–175). PT-SMT management consisted in immunosuppressive regimen minimization in all patients. Introduction of mTOR inhibitors was performed in two patients. Four patients (50%) needed chemotherapy. Surgical resection was performed in four patients. At last follow-up after PT-SMT diagnosis (median 33 months (range 17–132)), five patients were considered in complete remission, and two patients had died. Two patients experienced graft rejection; two resumed dialysis (25%). All patients with available data presented with impaired graft function at last follow-up.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Conclusion</h3>\\n \\n <p>PT-SMT is a subacute and progressive disease during kidney transplantation. 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Epstein–Barr Virus-Associated Smooth Muscle Tumor After Kidney Transplantation: A French Multicenter Retrospective Study
Background
Epstein–Barr virus (EBV) is a herpesvirus linked to nine different human tumors and lymphoproliferative disorders. Immunosuppression promotes EBV-driven malignancies. The most frequent EBV-induced malignancies are lymphomas and nasopharyngeal carcinoma. By promoting smooth muscle proliferation, EBV can induce EBV-associated smooth muscle tumors (EBV-SMT). EBV-SMT is a rare oncological entity for which no current guideline for diagnosis or management exists. Data on posttransplant EBV-SMT (PT-SMT) are scarce in kidney transplant recipients.
Methods
We conducted a national multicentric retrospective study and collected cases among transplantation centers in France. Kidney transplant recipients experiencing histologically proven PT-SMT were included. We collected data on demographic characteristics of patient, history of kidney transplantation, history of PT-SMT, evolution of graft function, and patient survival.
Results
Eight patients were included. The median age at PT-SMT diagnosis was 31 years (range 6.5–40). PT-SMT occurred after a median delay of 37.8 months after transplantation (range 6–175). PT-SMT management consisted in immunosuppressive regimen minimization in all patients. Introduction of mTOR inhibitors was performed in two patients. Four patients (50%) needed chemotherapy. Surgical resection was performed in four patients. At last follow-up after PT-SMT diagnosis (median 33 months (range 17–132)), five patients were considered in complete remission, and two patients had died. Two patients experienced graft rejection; two resumed dialysis (25%). All patients with available data presented with impaired graft function at last follow-up.
Conclusion
PT-SMT is a subacute and progressive disease during kidney transplantation. Even if the risk of developing PT-SMT is low in kidney transplant recipients (0.07% in our cohort), PT-SMT is associated with significant graft loss, possibly due to reduced immunosuppression. Developing guidelines could help transplantation teams better manage these patients.
期刊介绍：
Clinical Transplantation: The Journal of Clinical and Translational Research aims to serve as a channel of rapid communication for all those involved in the care of patients who require, or have had, organ or tissue transplants, including: kidney, intestine, liver, pancreas, islets, heart, heart valves, lung, bone marrow, cornea, skin, bone, and cartilage, viable or stored.
Published monthly, Clinical Transplantation’s scope is focused on the complete spectrum of present transplant therapies, as well as also those that are experimental or may become possible in future. Topics include:
Immunology and immunosuppression;
Patient preparation;
Social, ethical, and psychological issues;
Complications, short- and long-term results;
Artificial organs;
Donation and preservation of organ and tissue;
Translational studies;
Advances in tissue typing;
Updates on transplant pathology;.
Clinical and translational studies are particularly welcome, as well as focused reviews. Full-length papers and short communications are invited. Clinical reviews are encouraged, as well as seminal papers in basic science which might lead to immediate clinical application. Prominence is regularly given to the results of cooperative surveys conducted by the organ and tissue transplant registries.
Clinical Transplantation: The Journal of Clinical and Translational Research is essential reading for clinicians and researchers in the diverse field of transplantation: surgeons; clinical immunologists; cryobiologists; hematologists; gastroenterologists; hepatologists; pulmonologists; nephrologists; cardiologists; and endocrinologists. It will also be of interest to sociologists, psychologists, research workers, and to all health professionals whose combined efforts will improve the prognosis of transplant recipients.
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