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Chen A, Turcotte AÈ, Higgins S, Pavic M, Ethier V, Lévesque Dion V. Unusual Cases of Monoclonal Gammopathy of Renal Significance. Case Rep Nephrol 2024; 2024:5556426. [PMID: 39301111 PMCID: PMC11412746 DOI: 10.1155/2024/5556426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Revised: 06/06/2024] [Accepted: 06/24/2024] [Indexed: 09/22/2024] Open
Abstract
Introduction Monoclonal gammopathy of renal significance (MGRS) is a rare entity describing patients with renal impairment related to the secretion of immunoglobulins without hematological criteria for treatment of a specific disease. We present 3 cases of MGRS identified at our center that were either rare or difficult to diagnose. Case Presentations. The first patient presented with monoclonal membranoproliferative glomerulonephritis in the context of known chronic lymphocytic leukemia (CLL), diagnosed about 10 years prior. She presented with nephritic syndrome with serum protein electrophoresis revealing an IgG/lambda peak of less than 1 g/L, stable from the last few years. A renal biopsy confirmed a diagnosis of monoclonal membranoproliferative glomerulonephritis with granular IgG and C3 deposits of various sizes. The second patient presented with renal TMA in the context of IgM MGUS. The patient was admitted for acute nephritic syndrome and thrombotic microangiopathy. Serum protein electrophoresis demonstrated IgM/kappa paraprotein at 1.8 g/L, with a kappa/lambda ratio of 5.48. Renal biopsy demonstrated endocapillary proliferative glomerulonephritis associated with the presence of numerous monotypic IgM/kappa intracapillary pseudothrombi. Characteristic changes of thrombotic microangiopathy were also described. The third patient presented with immunotactoid glomerulonephritis likely from small B-cell lymphoma that later transformed to DLBCL. The patient presented with acute renal failure with IgM/kappa paraprotein of less than 1 g/L on electrophoresis and with a kappa/lambda ratio of 7.09. A diagnosis of immunotactoid glomerulonephritis was made on renal biopsy. Bone marrow with limited specimen revealed a B-cell infiltrate. Biopsy of a breast lesion was compatible with diffuse large B-cell lymphoma (DLBCL). Lymphomatous cells expressed IgM/kappa, thus confirming paraprotein-associated renal lesion. Conclusion We described 3 different cases of MGRS, highlighting the diversity of renal pathohistological presentations and different associated lymphoproliferative disorders. Biopsy should rapidly be considered, as early diagnosis of MGRS is essential to initiate clone-directed therapy promptly to prevent progression to ESRD or hematologic progression to malignancy.
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Affiliation(s)
- Anjellica Chen
- Department of Internal Medicine Université de Sherbrooke, Sherbrooke, Canada
| | - Anna-Ève Turcotte
- Department of Nephrology Centre Hospitalier Universitaire de Sherbrooke Université de Sherbrooke, Sherbrooke, Canada
| | - Sarah Higgins
- Department of Nephrology Centre Hospitalier Universitaire de Sherbrooke Université de Sherbrooke, Sherbrooke, Canada
| | - Michel Pavic
- Department of Hematology Centre Hospitalier Universitaire de Sherbrooke Université de Sherbrooke, Sherbrooke, Canada
| | - Vincent Ethier
- Department of Hematology Centre Hospitalier Universitaire de Sherbrooke Université de Sherbrooke, Sherbrooke, Canada
| | - Vincent Lévesque Dion
- Department of Pathology CIUSSS de la Mauricie-et-du-Centre-du-Québec, Trois-Rivières, Canada
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2
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Park K, Kwon SH. Monoclonal gammopathy of renal significance from the perspective of nephrologists. Blood Res 2024; 59:28. [PMID: 39133392 PMCID: PMC11319560 DOI: 10.1007/s44313-024-00027-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2024] [Accepted: 07/04/2024] [Indexed: 08/13/2024] Open
Abstract
Kidney disease is a frequent complication of multiple myeloma and other malignancies associated with monoclonal gammopathies. Additionally, dysproteinemia-related kidney disease can occur independently of overt multiple myeloma or hematologic malignancies. Monoclonal gammopathy of renal significance (MGRS) is a spectrum of disorders in which a monoclonal immunoglobulin produced by a benign or premalignant B-cell or plasma cell clone causes kidney damage. MGRS-associated renal disease manifests in various forms, including immunoglobulin-associated amyloidosis, monoclonal immunoglobulin deposition diseases (light chain, heavy chain, and combined light and heavy chain deposition diseases), proliferative glomerulonephritis with monoclonal immunoglobulin deposits, C3 glomerulopathy with monoclonal gammopathy, and light chain proximal tubulopathy. Although MGRS is a nonmalignant or premalignant hematologic condition, it has significant renal implications that often lead to progressive kidney damage and, eventually, end-stage kidney disease. This review discusses the epidemiology, pathogenesis, and management of MGRS and focuses on the perspective of nephrologists.
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Affiliation(s)
- Kootae Park
- Division of Nephrology, Hyonam Kidney Laboratory, Soonchunhyang University Hospital, 59 Daesagwan-Ro, Yongsan-Gu, Seoul, South Korea
| | - Soon Hyo Kwon
- Division of Nephrology, Hyonam Kidney Laboratory, Soonchunhyang University Hospital, 59 Daesagwan-Ro, Yongsan-Gu, Seoul, South Korea.
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3
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Spectrum of renal involvement in MGRS patients: a 6-year study. MEMO - MAGAZINE OF EUROPEAN MEDICAL ONCOLOGY 2023. [DOI: 10.1007/s12254-023-00873-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
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4
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Ríos-Tamayo R, Paiva B, Lahuerta JJ, López JM, Duarte RF. Monoclonal Gammopathies of Clinical Significance: A Critical Appraisal. Cancers (Basel) 2022; 14:5247. [PMID: 36358666 PMCID: PMC9659226 DOI: 10.3390/cancers14215247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 10/15/2022] [Accepted: 10/24/2022] [Indexed: 11/26/2022] Open
Abstract
Monoclonal gammopathies of clinical significance (MGCSs) represent a group of diseases featuring the association of a nonmalignant B cells or plasma cells clone, the production of an M-protein, and singularly, the existence of organ damage. They present a current framework that is difficult to approach from a practical clinical perspective. Several points should be addressed in order to move further toward a better understanding. Overall, these entities are only partially included in the international classifications of diseases. Its definition and classification remain ambiguous. Remarkably, its real incidence is unknown, provided that a diagnostic biopsy is mandatory in most cases. In fact, amyloidosis AL is the final diagnosis in a large percentage of patients with renal significance. On the other hand, many of these young entities are syndromes that are based on a dynamic set of diagnostic criteria, challenging a timely diagnosis. Moreover, a specific risk score for progression is lacking. Despite the key role of the clinical laboratory in the diagnosis and prognosis of these patients, information about laboratory biomarkers is limited. Besides, the evidence accumulated for many of these entities is scarce. Hence, national and international registries are stimulated. In particular, IgM MGCS deserves special attention. Until now, therapy is far from being standardized, and it should be planned on a risk and patient-adapted basis. Finally, a comprehensive and coordinated multidisciplinary approach is needed, and specific clinical trials are encouraged.
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Affiliation(s)
- Rafael Ríos-Tamayo
- Hospital Universitario Puerta de Hierro, Fundación para la Investigación Biomédica del Hospital Universitario Puerta de Hierro-Majadahonda, 28222 Majadahonda, Spain
| | - Bruno Paiva
- Centro de Investigación Médica Aplicada, Instituto de Investigación Sanitaria de Navarra, Clínica Universidad de Navarra, 31008 Pamplona, Spain
| | - Juan José Lahuerta
- Hospital Universitario 12 de Octubre, Instituto de Investigación del Hospital Universitario 12 de Octubre, 28041 Madrid, Spain
| | - Joaquín Martínez López
- Hospital Universitario 12 de Octubre, Instituto de Investigación del Hospital Universitario 12 de Octubre, 28041 Madrid, Spain
| | - Rafael F. Duarte
- Hospital Universitario Puerta de Hierro, Fundación para la Investigación Biomédica del Hospital Universitario Puerta de Hierro-Majadahonda, 28222 Majadahonda, Spain
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5
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Clinicopathologic characteristics and prognostic analysis of monoclonal gammopathy of renal significance (MGRS) in patients with IgM monoclonal gammopathy: a case series. Sci Rep 2022; 12:16994. [PMID: 36216844 PMCID: PMC9551084 DOI: 10.1038/s41598-022-21152-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 09/23/2022] [Indexed: 12/29/2022] Open
Abstract
Monoclonal gammopathy has emerged as an important cause of renal injury. Since the clinicopathologic features related to monotypic monoclonal gammopathy of renal significance with IgM monoclonal gammopathy (IgM-MGRS) are poorly described and it is uncertain if intervention improves renal survival and mortality, we report a series of such patients, characterizing their clinicopathologic spectrum and outcomes. We retrospectively analyzed 38 patients referred to one medical center between 2009 and 2019 with detectable serum monoclonal IgM by immunofixation, performance of a bone marrow biopsy and kidney biopsy-proven MGRS. Of the 38 patients identified, about half patients were amyloidosis, followed by cryoglobulinemic glomerulonephritis. Patients were divided into two groups on the basis of their kidney pathology: amyloid and non-amyloid. Patients with non-amyloidosis were more likely to have renal dysfunction, hematuria, anemia and hypocomplementemia and κ light chain was predominant in this sub-group. Amyloid patients were more often treated with chemotherapy than the non-amyloid patients (P = 0.002). There were no significant differences between amyloid and non-amyloid patients in mortality (48% vs 29%, P = 0.467) and incidence of ESRD (19% vs 59%, P = 0.103). The incidence of ESRD was lower in patients treated with chemotherapy and/or ASCT, compared to those without chemotherapy (25% vs 57%, P = 0.049), and it was also lower in the hematologic responders than non-responders (10% vs 40%, P = 0.047). Our study confirmed a diverse variety of clinicopathological features and outcomes in patients with IgM-MGRS. Chemotherapy and/or ASCT and deep hematologic responses might improve renal prognosis.
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6
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Li JP, Du YT, Li S, Rao XR. Monoclonal Gammopathy of Renal Significance (MGRS): Prospects for Treatment in Integrated Chinese and Western Medicine. Chin J Integr Med 2021; 27:643-648. [PMID: 34105098 DOI: 10.1007/s11655-021-3446-y] [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] [Accepted: 03/22/2021] [Indexed: 01/02/2023]
Abstract
Monoclonal gammopathy of renal significance (MGRS) is a pathological state which presents with a spectrum of renal lesions. MGRS is characterized by pathogenic monoclonal immunoglobulins or light chains produced by a premalignant plasma cell or B cell clone. In view of inadequate understanding in the past, the low detection rate of MGRS often results in poor outcomes and reduces quality of life of patients. Thus, MGRS stands for a group of clinical refractory renal diseases. To date, no standard treatment strategy for MGRS is available. Current consensus suggests a clone-directed approach that aims to eradicate the offending clone, but its long-term prognosis is not clear. In this article, we discuss the diagnostic methods, highlight treatment advances, and introduce integrated Chinese and Western medicine in the management of MGRS.
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Affiliation(s)
- Jin-Pu Li
- Department of Nephrology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, China
| | - Ya-Ting Du
- Department of Nephrology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, China
| | - Shen Li
- Department of Nephrology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, China
| | - Xiang-Rong Rao
- Department of Nephrology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, China.
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7
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Campdesuner V, Teklie Y, Lattanzio N, Lorenzo C, Bell S, Rodriguez Y, Sastry A. A case of immunotactoid glomerulopathy in a patient with monoclonal gammopathy of renal significance. J Community Hosp Intern Med Perspect 2021; 11:60-64. [PMID: 33552417 PMCID: PMC7850321 DOI: 10.1080/20009666.2020.1831744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Monoclonal gammopathy of renal significance is a relatively new diagnosis that attributes kidney disease to damage caused by a monoclonal protein. There is growing recognition of this disease in patients previously diagnosed with monoclonal gammopathy of undetermined significance, as they increasingly develop clinically significant renal impairment requiring treatment. We outline a case of a patient presenting with worsening renal function, found to have a circulating monoclonal protein and ultimately diagnosed with a subtype of monoclonal gammopathy of renal significance referred to as immunotactoid glomerulopathy. Abbreviations: MGUS: Monoclonal gammopathy of undetermined significance; M-protein: Monoclonal protein; MM: Multiple myeloma; MGRS: Monoclonal gammopathy of renal significance; MGCS: Monoclonal gammopathy of clinical significance; CKD: Chronic kidney disease; C3 and C4: Complement 3 and complement 4, respectively; EF: Ejection fraction; CT: Computed tomography; IgG: Immunoglobulin G; GFR: Glomerular filtration rate; PET: Positron emission tomography; MRI: Magnetic Resonance Imaging.
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Affiliation(s)
- Victoria Campdesuner
- Florida State University Internal Medicine Residency, Sarasota Memorial Hospital, Sarasota, FL, USA
| | - Yeshanew Teklie
- Florida State University Internal Medicine Residency, Sarasota Memorial Hospital, Sarasota, FL, USA
| | - Natalia Lattanzio
- Florida State University Internal Medicine Residency, Sarasota Memorial Hospital, Sarasota, FL, USA
| | - Christian Lorenzo
- Florida State University Internal Medicine Residency, Sarasota Memorial Hospital, Sarasota, FL, USA
| | - Stephen Bell
- Florida State University Internal Medicine Residency, Sarasota Memorial Hospital, Sarasota, FL, USA
| | - Yorlenis Rodriguez
- Florida State University Internal Medicine Residency, Sarasota Memorial Hospital, Sarasota, FL, USA
| | - Ashok Sastry
- Nephrology, Sarasota Memorial Hospital, Sarasota, FL, USA
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8
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Jerbi M, El Fatmi R, Gaied H, Belloumi D, Torjemane L, Aoudia R, Goucha R, Abdallah TB, Othman TB. Proliferative glomerulonephritis with monoclonal immunoglobulin deposits: Successful treatment for new and rare entity. Clin Case Rep 2021; 9:80-85. [PMID: 33489136 PMCID: PMC7813026 DOI: 10.1002/ccr3.3439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Revised: 09/12/2020] [Accepted: 10/03/2020] [Indexed: 12/04/2022] Open
Abstract
Proliferative glomerulonephritis with monoclonal immunoglobulin deposits is a new disorder with undefined treatment modalities. We propose cyclophosphamide-bortezomib-dexamethasone and autologous stem cell transplantation as a therapeutic protocol.
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Affiliation(s)
- Mouna Jerbi
- Department of NephrologyMongi Slim HospitalLa MarsaTunisia
- Faculty of Medicine TunisUniversity of Tunis El ManarTunisTunisia
| | - Rym El Fatmi
- Faculty of Medicine TunisUniversity of Tunis El ManarTunisTunisia
- Department of HematologyCentre National de Greffe de Moelle OsseuseTunisTunisia
| | - Hanene Gaied
- Department of NephrologyMongi Slim HospitalLa MarsaTunisia
- Faculty of Medicine TunisUniversity of Tunis El ManarTunisTunisia
| | - Dorra Belloumi
- Faculty of Medicine TunisUniversity of Tunis El ManarTunisTunisia
- Department of HematologyCentre National de Greffe de Moelle OsseuseTunisTunisia
| | - Lamia Torjemane
- Faculty of Medicine TunisUniversity of Tunis El ManarTunisTunisia
- Department of HematologyCentre National de Greffe de Moelle OsseuseTunisTunisia
| | - Raja Aoudia
- Department of NephrologyCharles Nicolle HospitalTunisTunisia
| | - Rim Goucha
- Department of NephrologyMongi Slim HospitalLa MarsaTunisia
- Faculty of Medicine TunisUniversity of Tunis El ManarTunisTunisia
| | - Taieb Ben Abdallah
- Faculty of Medicine TunisUniversity of Tunis El ManarTunisTunisia
- Department of NephrologyCharles Nicolle HospitalTunisTunisia
| | - Tarek Ben Othman
- Department of HematologyCentre National de Greffe de Moelle OsseuseTunisTunisia
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9
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Chitty DW, Hartley-Brown MA, Abate M, Thakur R, Wanchoo R, Jhaveri KD, Nair V. Kidney transplantation in patients with multiple myeloma: narrative analysis and review of the last 2 decades. Nephrol Dial Transplant 2020; 37:1616-1626. [PMID: 33295615 DOI: 10.1093/ndt/gfaa361] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Indexed: 12/17/2022] Open
Abstract
There have been significant advances in the treatment of multiple myeloma in the last 2 decades. Approximately 25% of patients with newly diagnosed myeloma have some degree of kidney impairment. During the course of illness, nearly 50% of myeloma patients will develop kidney disease. Moreover, approximately 10% of myeloma patients have advanced kidney disease requiring dialysis at presentation. Hemodialysis is associated with a significantly reduced overall survival. In the setting of prolonged long-term overall survival due to the use of newer immunotherapeutic agents in the treatment of myeloma, patients with myeloma and advanced kidney disease may benefit from more aggressive management with kidney transplantation. Unfortunately, most data regarding outcomes of kidney transplantation in patients with myeloma come from single center case series. With the advent of novel treatment choices, it remains unclear if outcomes of kidney transplant recipients with myeloma have improved in recent years. In this descriptive systematic review, we coalesced published patient data over the last 20 years to help inform clinicians and patients on expected hematologic and kidney transplant outcomes in this complex population. We further discuss the future of kidney transplantation in patients with paraproteinemia.
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Affiliation(s)
- David W Chitty
- Divisions of Hematology-Oncology, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell Health, Manhasset, New York, USA.,Northwell Health Cancer Institute, Hematology/Medical Oncology, New Hyde Park, New York, USA
| | - Monique A Hartley-Brown
- Divisions of Hematology-Oncology, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell Health, Manhasset, New York, USA.,Northwell Health Cancer Institute, Hematology/Medical Oncology, New Hyde Park, New York, USA
| | - Mersema Abate
- Kidney Diseases and Hypertension, Department of Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell Health, Manhasset, New York, USA
| | - Richa Thakur
- Divisions of Hematology-Oncology, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell Health, Manhasset, New York, USA.,Northwell Health Cancer Institute, Hematology/Medical Oncology, New Hyde Park, New York, USA
| | - Rimda Wanchoo
- Kidney Diseases and Hypertension, Department of Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell Health, Manhasset, New York, USA
| | - Kenar D Jhaveri
- Kidney Diseases and Hypertension, Department of Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell Health, Manhasset, New York, USA
| | - Vinay Nair
- Kidney Diseases and Hypertension, Department of Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell Health, Manhasset, New York, USA
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10
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Małyszko J, Bamias A, Danesh FR, Dębska-Ślizień A, Gallieni M, Gertz MA, Kielstein JT, Tesarova P, Wong G, Cheung M, Wheeler DC, Winkelmayer WC, Porta C. KDIGO Controversies Conference on onco-nephrology: kidney disease in hematological malignancies and the burden of cancer after kidney transplantation. Kidney Int 2020; 98:1407-1418. [PMID: 33276867 DOI: 10.1016/j.kint.2020.07.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 06/02/2020] [Accepted: 07/02/2020] [Indexed: 01/01/2023]
Abstract
The bidirectional relationship between cancer and chronic kidney disease (CKD) is complex. Patients with cancer, particularly those with hematological malignancies such as multiple myeloma and lymphoma, are at increased risk of developing acute kidney injury and CKD. On the other hand, emerging evidence from large observational registry analyses have consistently shown that cancer risk is increased by at least 2- to 3-fold in kidney transplant recipients, and the observed increased risk occurs not only in those who have received kidney transplants but also in those on dialysis and with mild- to moderate-stage CKD. The interactions between cancer and CKD have raised major therapeutic and clinical challenges in the management of these patients. Given the magnitude of the problem and uncertainties, and current controversies within the existing evidence, Kidney Disease: Improving Global Outcomes (KDIGO) assembled a global panel of multidisciplinary clinical and scientific expertise for a controversies conference on onco-nephrology to identify key management issues in nephrology relevant to patients with malignancy. This report covers the discussed controversies in kidney disease in hematological malignancies, as well as cancer after kidney transplantation. An overview of future research priorities is also discussed.
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Affiliation(s)
- Jolanta Małyszko
- Department of Nephrology, Dialysis, and Internal Medicine, Medical University of Warsaw, Poland
| | - Aristotelis Bamias
- Second Propaedeutic Department of Internal Medicine, National and Kapodistrian University of Athens, Greece
| | - Farhad R Danesh
- Section of Nephrology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Alicja Dębska-Ślizień
- Clinical Department of Nephrology, Transplantology and Internal Medicine, Medical University of Gdańsk, Gdańsk, Poland
| | - Maurizio Gallieni
- Nephrology and Dialysis Unit, Luigi Sacco Department of Biomedical and Clinical Sciences, Università di Milano, Milan, Italy
| | - Morie A Gertz
- Division of Hematology, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Jan T Kielstein
- Medical Clinic V, Nephrology, Rheumatology, Blood Purification, Academic Teaching Hospital Braunschweig, Braunschweig, Germany
| | - Petra Tesarova
- Department of Oncology, 1st Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic
| | - Germaine Wong
- Centre for Kidney Research, The Children's Hospital at Westmead, Westmead, New South Wales, Australia; Sydney School of Public Health, University of Sydney, New South Wales, Australia
| | | | - David C Wheeler
- Department of Renal Medicine, University College London, London, UK; George Institute for Global Health, Sydney, Australia
| | - Wolfgang C Winkelmayer
- Selzman Institute for Kidney Health, Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
| | - Camillo Porta
- Department of Internal Medicine and Therapeutics, University of Pavia and Division of Translational Oncology, IRCCS Istituti Clinici Scientifici Maugeri, Pavia, Italy.
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11
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Liang D, Liu J, Liang S, Xu F, Cheng Z, Huang X, Zeng C, Liu Z. Types of M protein and clinicopathological profiles in patients with monoclonal gammopathy of renal significance. J Nephrol 2020; 34:1137-1146. [PMID: 32725498 DOI: 10.1007/s40620-020-00817-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 07/22/2020] [Indexed: 12/18/2022]
Abstract
BACKGROUND The development of renal disease in patients with monoclonal gammopathy of renal significance (MGRS) depends on the pathogenicity of the secreted monoclonal protein (M protein). However, the correlation between the types of M proteins and clinical and renal pathological features is still unclear. METHODS A total of 148 patients with detectable serum M protein and biopsy-proven MGRS were recruited. The patients were categorized according to the heavy and light chain types of M protein in the serum. RESULTS Among 148 patients, the most common M protein was IgGλ, followed by IgAλ and IgGκ. According to the type of heavy chain, patients with IgM-MGRS were more likely to have renal dysfunction, anemia and hypocomplementemia than patients with IgG-MGRS and IgA-MGRS. The λ light chain was predominant in patients with IgG-MGRS and IgA-MGRS, whereas the κ light chain was predominant in patients with IgM-MGRS. The most common renal lesion was amyloidosis in patients with IgG-MGRS and IgA-MGRS, while it was cryoglobulinemic glomerulonephritis in patients with IgM-MGRS. According to the type of light chain, patients with κ light chain were more likely to be male and to have renal dysfunction, anemia and hypocomplementemia than those with λ light chain. The types of heavy chain and light chain of M protein were not associated with patient or renal survival. CONCLUSION The clinicopathological features were distinct in patients with different types of M protein. Integration of the types of M protein and renal pathologic findings may shed light on individual management of patients with MGRS.
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Affiliation(s)
- Dandan Liang
- National Clinical Research Center of Kidney Diseases, Jinling Clinical Medical College of Nanjing Medical University, 305 East Zhongshan Road, Nanjing, China
| | - Jing Liu
- National Clinical Research Center of Kidney Diseases, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Shaoshan Liang
- National Clinical Research Center of Kidney Diseases, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Feng Xu
- National Clinical Research Center of Kidney Diseases, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Zhen Cheng
- National Clinical Research Center of Kidney Diseases, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Xianghua Huang
- National Clinical Research Center of Kidney Diseases, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Caihong Zeng
- National Clinical Research Center of Kidney Diseases, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Zhihong Liu
- National Clinical Research Center of Kidney Diseases, Jinling Clinical Medical College of Nanjing Medical University, 305 East Zhongshan Road, Nanjing, China. .,National Clinical Research Center of Kidney Diseases, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China.
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12
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Peña C, Schutz NP, Riva E, Valjalo R, Majlis A, López‐Vidal H, Lois V, Zamora D, Ochoa P, Shanley C, Gonzalez JT, Fantl D, Correa G, Ramirez J, Mur P, Silva G, Verri V, Rojas C, Escobar K, Glavic G, Méndez GP. Epidemiological and clinical characteristics and outcome of monoclonal gammopathy of renal significance‐related lesions in Latin America. Nephrology (Carlton) 2019; 25:442-449. [DOI: 10.1111/nep.13685] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 11/20/2019] [Accepted: 12/01/2019] [Indexed: 11/28/2022]
Affiliation(s)
- Camila Peña
- Department of HematologyHospital del Salvador Santiago de Chile
| | - Natalia P. Schutz
- Department of HematologyHospital Italiano de Buenos Aires Buenos Aires Argentina
| | - Eloísa Riva
- Department of HematologyCátedra de Hematología, Hospital de Clínicas, Facultad de Medicina Montevideo Uruguay
- Department of HematologyHospital Británico Montevideo Uruguay
| | - Ricardo Valjalo
- Department of NephrologyHospital del Salvador Santiago de Chile
| | - Alejandro Majlis
- Department of Hematology, Hemato‐Oncology DepartmentClínica Las Condes Santiago de Chile
| | | | - Vivianne Lois
- Department of HematologyHospital Barros Luco Trudeau Santiago de Chile
| | - Daniela Zamora
- Department of NephrologyHospital Barros Luco Trudeau Santiago de Chile
| | - Paola Ochoa
- Department of HematologyInstituto Alexander Fleming Buenos Aires Argentina
| | - Claudia Shanley
- Department of HematologyHospital Británico Buenos Aires Argentina
| | | | - Dorotea Fantl
- Department of HematologyHospital Italiano de Buenos Aires Buenos Aires Argentina
| | - Gonzalo Correa
- Department of NephrologyHospital del Salvador Santiago de Chile
| | | | - Paola Mur
- Department of NephrologyHospital San Juan de Dios Santiago de Chile
| | | | - Verónica Verri
- Department of HematologyInstituto de Investigaciones Médicas Alfredo Lanari – UBA Buenos Aires Argentina
| | - Christine Rojas
- Department of HematologyHospital Gustavo Fricke Viña del Mar Chile
| | - Karen Escobar
- Department of HematologyHospital Gustavo Fricke Viña del Mar Chile
| | - Gustavo Glavic
- Department of NephrologyHospital Sótero del Río Santiago de Chile
| | - Gonzalo P. Méndez
- Department of Pathology, Facultad de MedicinaPontificia Universidad Católica de Chile Santiago de Chile
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Bianchi G, Richardson PG. Towards a better understanding of monoclonal gammopathy of renal significance. Br J Haematol 2019; 186:653-654. [DOI: 10.1111/bjh.15989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- Giada Bianchi
- Department of Medical Oncology LeBow Institute for Myeloma Therapeutics and Jerome Lipper Multiple Myeloma Center Harvard Medical School Dana Farber Cancer Institute Boston MA USA
| | - Paul G. Richardson
- Department of Medical Oncology LeBow Institute for Myeloma Therapeutics and Jerome Lipper Multiple Myeloma Center Harvard Medical School Dana Farber Cancer Institute Boston MA USA
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