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Zakrocka I, Nair G, Soler MJ, Jhaveri KD, Kronbichler A. Paraneoplastic Syndrome After Kidney Transplantation: Frequency, Risk Factors, Differences to Paraneoplastic Occurrence of Glomerulonephritis in the Native Kidney, and Implications on Long-Term Kidney Graft Function. Transpl Int 2024; 37:12969. [PMID: 39119062 PMCID: PMC11306043 DOI: 10.3389/ti.2024.12969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Accepted: 07/12/2024] [Indexed: 08/10/2024]
Abstract
Posttransplant malignancies are an important complication of solid organ transplantation. Kidney transplant recipients are at particularly high risk of cancer development. The most relevant risk factors of carcinogenesis are the use of immunosuppressive agents and oncogenic viral infections. Additionally, immune dysregulation caused by these factors may predispose to various types of organ damage. Paraneoplastic glomerular diseases are one of the most interesting and understudied cancer manifestations. The appropriate diagnosis of paraneoplastic glomerular damage can be challenging in kidney transplant recipients, due to factors inherent to concomitant medication and common comorbidities. Recent advances in the field of molecular and clinical nephrology led to a significant improvement in our understanding of glomerular diseases and their more targeted treatment. On the other hand, introduction of novel anticancer drugs tremendously increased patients' survival, at the cost of kidney-related side effects. Our review aims to provide insights into diagnosis and treatment of paraneoplastic glomerular diseases, with a special attention to kidney transplant recipients.
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Affiliation(s)
- Izabela Zakrocka
- Department of Nephrology, Medical University of Lublin, Lublin, Poland
| | - Gayatri Nair
- Northwell Health, New York, NY, United States
- Division of Kidney Diseases and Hypertension, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Glomerular Center at Northwell Health, New York, NY, United States
| | - Maria Jose Soler
- Nephrology Department, Vall d’Hebron University Hospital, Universitat Autònoma de Barcelona, Barcelona, Spain
- Nephrology Research Group, Vall d’Hebron Research Institute (VHIR), Barcelona, Spain
| | - Kenar D. Jhaveri
- Northwell Health, New York, NY, United States
- Division of Kidney Diseases and Hypertension, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Glomerular Center at Northwell Health, New York, NY, United States
| | - Andreas Kronbichler
- Department of Internal Medicine IV, Nephrology and Hypertension, Medical University Innsbruck, Innsbruck, Austria
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2
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Liu S, Wan Y, Hu Z, Wang Z, Liu F. Nephrotic syndrome associated with solid malignancies: a systematic review. BMC Nephrol 2024; 25:215. [PMID: 38965515 PMCID: PMC11225115 DOI: 10.1186/s12882-024-03632-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Accepted: 06/07/2024] [Indexed: 07/06/2024] Open
Abstract
BACKGROUND Nephrotic syndrome (NS) can occur as a paraneoplastic disorder in association with various types of carcinoma. However, paraneoplastic nephrotic syndrome (PNS) is often misdiagnosed as idiopathic nephrotic syndrome or as an adverse effect of oncology treatment, leading to delayed diagnosis and suboptimal treatment. The characteristics of NS associated with solid malignancies are not yet elucidated. We systematically summarized the clinical data for 128 cases of NS combined with solid malignancies with the aim of informing the clinical management of PNS. METHODS We searched the PubMed database for articles published from the date of inception through to October 2023 using the following keywords: "cancer" or "malignant neoplasms" or "neoplasia" or "tumors" and "nephrotic syndrome", "nephrotic" or "syndrome, nephrotic". All data were extracted from case reports and case series, and the extraction included a method for identifying individual-level patient data. RESULTS A literature search yielded 105 cases of PNS and 23 of NS induced by cancer therapy. The median age at diagnosis was 60 years, with a male to female ratio of 1.8:1. In patients with PNS, manifestations of NS occurred before, concomitantly with, or after diagnosis of the tumor (in 36%, 30%, and 34% of cases, respectively). Membranous nephropathy (49%) was the most prevalent renal pathology and found particularly in patients with lung, colorectal, or breast carcinoma. Regardless of whether treatment was for cancer alone or in combination with NS, the likelihood of remission was high. CONCLUSION The pathological type of NS may be associated with specific malignancies in patients with PNS. Prompt identification of PNS coupled with suitable therapeutic intervention has a significant impact on the outcome for patients.
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Affiliation(s)
- Shuo Liu
- Department of Traditional Chinese Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, No. 324 Jingwuweiqi Road, Jinan, 250021, China
- The First Faculty of Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yuchen Wan
- Department of Traditional Chinese Medicine Internal Medicine, Lianyungang Maternal and Child Health Hospital, Lianyungang, China
| | - Ziyu Hu
- Department of Gynaecology, People's Hospital of Dongying, No. 317 South Dongcheng 1st Road, Dongying, 257091, China.
| | - Zhixue Wang
- Department of Traditional Chinese Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, No. 324 Jingwuweiqi Road, Jinan, 250021, China
| | - Fenye Liu
- Department of Traditional Chinese Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, No. 324 Jingwuweiqi Road, Jinan, 250021, China.
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3
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Jhaveri KD, Campbell KN, Gibson KL. Nephrotic Syndrome: Have We Entered a New Era? ADVANCES IN KIDNEY DISEASE AND HEALTH 2024; 31:265-266. [PMID: 38935003 DOI: 10.1053/j.akdh.2024.05.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/28/2024]
Affiliation(s)
- Kenar D Jhaveri
- Northwell Health, NY and Glomerular Center at Northwell Health, Division of Kidney Diseases and Hypertension, Donald and Barbara Zucker School of Medicine, Great Neck, NY
| | - Kirk N Campbell
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Keisha L Gibson
- UNC Kidney Center, University of North Carolina at Chapel Hill, Chapel Hill, NC
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4
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Severova G, Karanfilovski V, Naunovska L, Suleyman S, Markovska ZS, Gjorgjievski N, Severova AS, Dzekova-Vidimliski P, Ristovska V, Rambabova-Bushljetik I, Arsenkov L, Petrushevska G. Association Between Membranoproliferative Glomerulonephritis and Colorectal Cancer - A Case Report. Pril (Makedon Akad Nauk Umet Odd Med Nauki) 2024; 45:31-36. [PMID: 39008638 DOI: 10.2478/prilozi-2024-0013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/17/2024]
Abstract
Membranoproliferative glomerulonephritis (MPGN) is a rare glomerular disease characterized by mesangial hypercellularity and thickening of the glomerular basement membrane (GBM). MPGN can be idiopathic or associated with malignancy, systemic immune complex disorders and chronic infections. It has rarely been associated with solid organ tumors, such as lung, gastric, breast or prostate cancer. We report a patient with MPGN and coexisting colorectal carcinoma. A 48-year-old man presented with anemia, loss of weight, hypertension, and nephrotic syndrome. The renal biopsy findings were compatible with type 1 MPGN. The antineutrophilic cytoplasmic antibodies, antinuclear antibodies, anti-GBM, serologic markers of hepatitis B and hepatitis C and tumor markers were negative. After ruling out the secondary causes of MPGN, the patient was treated with pulse doses of methylprednisolone and a single dose of cyclophosphamide. However, due to the worsening anemia and rectal bleeding, a colonoscopy was performed, which established a diagnosis of adenocarcinoma of the descending colon. The patient was treated with left hemicolectomy and oral corticosteroids. Within a year after the cancer treatment, the patient experienced a complete resolution of the proteinuria and improvement of the kidney function. Although rare, MPGN can be associated with hematologic malignancies and solid organ tumors. The most common causes of secondary MPGN should be ruled out before starting specific treatment. In our patient, cancer treatment has led to a subsequent remission of the nephrotic syndrome, which indicated that this association was not coincidental but rather causal. In patients with a tumor and concomitant glomerulopathy which is suspected to be paraneoplastic in etiology, the treatment of the underlying malignancy should be prioritized.
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Affiliation(s)
- Galina Severova
- 1University Clinic of Nephrology, Faculty of Medicine, "Ss. Cyril and Methodius", University in Skopje, RN Macedonia
| | - Vlatko Karanfilovski
- 1University Clinic of Nephrology, Faculty of Medicine, "Ss. Cyril and Methodius", University in Skopje, RN Macedonia
| | - Ljupka Naunovska
- 1University Clinic of Nephrology, Faculty of Medicine, "Ss. Cyril and Methodius", University in Skopje, RN Macedonia
| | - Sabir Suleyman
- 1University Clinic of Nephrology, Faculty of Medicine, "Ss. Cyril and Methodius", University in Skopje, RN Macedonia
| | - Zaklina Sterjova Markovska
- 1University Clinic of Nephrology, Faculty of Medicine, "Ss. Cyril and Methodius", University in Skopje, RN Macedonia
| | - Nikola Gjorgjievski
- 1University Clinic of Nephrology, Faculty of Medicine, "Ss. Cyril and Methodius", University in Skopje, RN Macedonia
| | - Ana Stojanoska Severova
- 1University Clinic of Nephrology, Faculty of Medicine, "Ss. Cyril and Methodius", University in Skopje, RN Macedonia
| | - Pavlina Dzekova-Vidimliski
- 1University Clinic of Nephrology, Faculty of Medicine, "Ss. Cyril and Methodius", University in Skopje, RN Macedonia
| | - Vesna Ristovska
- 1University Clinic of Nephrology, Faculty of Medicine, "Ss. Cyril and Methodius", University in Skopje, RN Macedonia
| | - Irena Rambabova-Bushljetik
- 1University Clinic of Nephrology, Faculty of Medicine, "Ss. Cyril and Methodius", University in Skopje, RN Macedonia
| | - Ljuben Arsenkov
- 2Department of Abdominal Surgery, University Surgery Hospital "St. Naum Ohridski", 1000 Skopje, RN Macedonia
| | - Gordana Petrushevska
- 3Institute for Pathology, Faculty of Medicine, Ss. Cyril and Methodius University in Skopje, Skopje, RN Macedonia
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5
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Glezerman I, Salvatore S, Tap W, Kelly C, Brauer Ornelas CM, Shaikh A. Pegylated Liposomal Doxorubicin Causes Kidney-limited Thrombotic Microangiopathy. Am J Kidney Dis 2024; 83:549-553. [PMID: 37839689 DOI: 10.1053/j.ajkd.2023.08.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 07/26/2023] [Accepted: 08/24/2023] [Indexed: 10/17/2023]
Abstract
A definite causal link between pegylated liposomal doxorubicin (PLD) and kidney-limited thrombotic microangiopathy (TMA) remains unestablished. Here, we report 2 cases of PLD-induced kidney-limited TMA, 1 in a patient with myxofibrosarcoma and the other in a patient with liposarcoma. The 2 patients received a high cumulative dose of PLD, and both presented with a rise in serum creatinine and proteinuria. Kidney biopsy revealed TMA with chronic mesangiolysis and capillary wall double contouring. Neither patient had concomitant exposure to TMA-causing drugs, such as gemcitabine, anti-vascular endothelial growth factor agents, or mammalian target of rapamycin inhibitors. The work-up for secondary causes of TMA was negative in both patients. The cessation of PLD therapy led to improvement or stabilization in serum creatinine and proteinuria in both patients. These 2 cases provide a clear causal link between PLD and kidney-limited TMA. The high cumulative dose of PLD increases the risk of kidney TMA. Early recognition of PLD-induced kidney TMA can lead to timely cessation of PLD therapy and potentially preserve kidney function.
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Affiliation(s)
- Ilya Glezerman
- Renal Service, Memorial Sloan Kettering Cancer Center, New York, New York; Department of Medicine, Weill Cornell Medical College, New York, New York
| | - Steven Salvatore
- Department of Pathology, Weill Cornell Medical College, New York, New York
| | - William Tap
- Department of Medicine, Weill Cornell Medical College, New York, New York; Sarcoma Service, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Ciara Kelly
- Sarcoma Service, Memorial Sloan Kettering Cancer Center, New York, New York
| | | | - Aisha Shaikh
- Renal Service, Memorial Sloan Kettering Cancer Center, New York, New York; Department of Medicine, Weill Cornell Medical College, New York, New York.
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6
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Schroder PM, Biesterveld BE, Al-Adra DP. Premalignant Lesions in the Kidney Transplant Candidate. Semin Nephrol 2024; 44:151495. [PMID: 38490902 DOI: 10.1016/j.semnephrol.2024.151495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2024]
Abstract
End-stage kidney disease patients who are referred for transplant undergo an extensive evaluation process to ensure their health prior to transplant due in part to the shortage of available organs. Although management and surveillance guidelines exist for malignancies identified in the transplant and waitlist populations, less is written about the management of premalignant lesions in this population. This review covers the less common premalignant lesions (intraductal papillary mucinous neoplasm, gastrointestinal stromal tumor, thymoma, and pancreatic neuroendocrine tumor) that can be found in the transplant candidate population. High-level evidence for the management of these rarer premalignant lesions in the transplant population is lacking, and this review extrapolates evidence from the general population and should not be a substitute for a multidisciplinary discussion with medical and surgical oncologists.
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Affiliation(s)
- Paul M Schroder
- Department of Surgery, Division of Transplantation, University of Wisconsin School of Medicine and Public Health, Madison, WI
| | - Ben E Biesterveld
- Department of Surgery, Division of Transplantation, University of Wisconsin School of Medicine and Public Health, Madison, WI
| | - David P Al-Adra
- Department of Surgery, Division of Transplantation, University of Wisconsin School of Medicine and Public Health, Madison, WI.
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7
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Lee S, Jung S, Jeon H, Jang H, Kim HJ, Lee TW, Bae E, Park DJ, Chang SH. Spontaneous Remission of Minimal Change Disease in a Colon Cancer Patient: A Case Report. Biomed Hub 2024; 9:62-66. [PMID: 38638677 PMCID: PMC11026070 DOI: 10.1159/000538279] [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: 11/06/2023] [Accepted: 03/04/2024] [Indexed: 04/20/2024] Open
Abstract
Introduction Minimal change disease (MCD) is most often primary but may occur secondary to other systemic diseases such as malignancy. In secondary MCD, spontaneous remission of nephrotic syndrome after the treatment of related diseases without steroid therapy is rare. Case Presentation A 78-year-old man visited the outpatient clinic with foamy urine and generalized edema that had persisted for 2 months. The patient had nephrotic syndrome. Before a kidney biopsy, he underwent several tests to determine the secondary cause of the nephrotic syndrome. The serum CEA was slightly elevated, and colon cancer was detected in the sigmoid colon. MCD was diagnosed from a kidney biopsy. He immediately underwent surgery for colon cancer. Complete remission of the MCD was achieved within 2 weeks after surgery. Conclusion Here, we report a rare case of a patient with secondary MCD who successfully achieved spontaneous remission after colon cancer surgery.
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Affiliation(s)
- Seunghye Lee
- Department of Internal Medicine-Nephrology, College of Medicine, Gyeongsang National University, Jinju, Republic of Korea
- Department of Internal Medicine-Nephrology, Gyeongsang National University Hospital, Jinju, Republic of Korea
| | - Sehyun Jung
- Department of Internal Medicine-Nephrology, College of Medicine, Gyeongsang National University, Jinju, Republic of Korea
- Department of Internal Medicine-Nephrology, Gyeongsang National University Hospital, Jinju, Republic of Korea
| | - Hyejin Jeon
- Department of Internal Medicine-Nephrology, College of Medicine, Gyeongsang National University, Jinju, Republic of Korea
- Department of Internal Medicine-Nephrology, Gyeongsang National University Hospital, Jinju, Republic of Korea
| | - Hani Jang
- Department of Internal Medicine-Nephrology, College of Medicine, Gyeongsang National University, Jinju, Republic of Korea
- Department of Internal Medicine-Nephrology, Gyeongsang National University Hospital, Jinju, Republic of Korea
- Institute of Medical Sciences, Gyeongsang National University, Jinju, Republic of Korea
| | - Hyun-Jung Kim
- Department of Internal Medicine-Nephrology, College of Medicine, Gyeongsang National University, Jinju, Republic of Korea
- Department of Internal Medicine-Nephrology, Gyeongsang National University Hospital, Jinju, Republic of Korea
- Institute of Medical Sciences, Gyeongsang National University, Jinju, Republic of Korea
| | - Tae Won Lee
- Department of Internal Medicine-Nephrology, College of Medicine, Gyeongsang National University, Jinju, Republic of Korea
- Department of Internal Medicine-Nephrology, Gyeongsang National University Changwon Hospital, Changwon, Republic of Korea
- Institute of Medical Sciences, Gyeongsang National University, Jinju, Republic of Korea
| | - Eunjin Bae
- Department of Internal Medicine-Nephrology, College of Medicine, Gyeongsang National University, Jinju, Republic of Korea
- Department of Internal Medicine-Nephrology, Gyeongsang National University Changwon Hospital, Changwon, Republic of Korea
- Institute of Medical Sciences, Gyeongsang National University, Jinju, Republic of Korea
| | - Dong Jun Park
- Department of Internal Medicine-Nephrology, College of Medicine, Gyeongsang National University, Jinju, Republic of Korea
- Department of Internal Medicine-Nephrology, Gyeongsang National University Changwon Hospital, Changwon, Republic of Korea
- Institute of Medical Sciences, Gyeongsang National University, Jinju, Republic of Korea
| | - Se-Ho Chang
- Department of Internal Medicine-Nephrology, College of Medicine, Gyeongsang National University, Jinju, Republic of Korea
- Department of Internal Medicine-Nephrology, Gyeongsang National University Hospital, Jinju, Republic of Korea
- Institute of Medical Sciences, Gyeongsang National University, Jinju, Republic of Korea
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8
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Obara S, Inoue T, Watanabe Y, Hamaguchi T, Ikezawa T, Amano H, Ishizawa K, Okada H. A Case of Anti-vascular Endothelial Growth Factor Therapy-Related Nephrotic Syndrome With Marked Intraglomerular Macrophage Infiltration. Cureus 2023; 15:e50496. [PMID: 38222188 PMCID: PMC10787319 DOI: 10.7759/cureus.50496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/13/2023] [Indexed: 01/16/2024] Open
Abstract
A 75-year-old woman with colon cancer and distant metastases was treated with fluorouracil, levofolinate, and irinotecan (FOLFIRI) plus bevacizumab postoperatively. During the 32nd course, the patient developed massive proteinuria, and only bevacizumab was discontinued; the proteinuria improved rapidly over time. However, more than six months later, the patient developed massive proteinuria again, and her renal function declined. Renal biopsy revealed glomerular microangiopathy with prominent foam cell infiltration into the glomerulus, which was thought to be caused by chronic endothelial cell damage to the glomerular capillaries. Endothelial cell damage is thought to be caused not only by the inhibition of vascular endothelial growth factor action of bevacizumab in the glomerular capillary but also by the cytotoxicity of the concomitant anticancer drugs and coexisting clinical conditions such as dyslipidemia and hypertension. After discontinuing anticancer agents and intensifying diet and antihypertensive therapy, proteinuria and dyslipidemia slowly improved; however, it became difficult to continue adequate chemotherapy, and the tumor marker levels worsened. Combination therapies, including molecular targeted agents, have become common, and the side effects of anticancer agents are expected to continue to be complicated. To prevent the onset and severity of renal complications, management of blood pressure, lipid level, and glucose metabolism, as well as multidisciplinary medical management, including dietary therapy, is required.
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Affiliation(s)
- Sho Obara
- Department of Nephrology, Saitama Medical University, Saitama, JPN
| | - Tsutomu Inoue
- Department of Nephrology, Saitama Medical University, Saitama, JPN
| | - Yusuke Watanabe
- Department of Nephrology, Saitama Medical University, Saitama, JPN
| | - Tetsuya Hamaguchi
- Department of Gastroenterological Oncology, Saitama Medical University International Medical Center, Saitama, JPN
| | - Tomohiro Ikezawa
- Department of Nephrology, Saitama Medical University, Saitama, JPN
| | - Hiroaki Amano
- Department of Nephrology, Saitama Medical University, Saitama, JPN
| | - Keisuke Ishizawa
- Division of Diagnostic Pathology, Department of Pathology, Saitama Medical University, Saitama, JPN
| | - Hirokazu Okada
- Department of Nephrology, Saitama Medical University, Saitama, JPN
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Rio P, Cavallaro C, Diomedi-Camassei F, Cianci R, Gambassi G. Thymus-kidneys: a dangerous liaison. Intern Emerg Med 2022; 17:2057-2061. [PMID: 35751742 DOI: 10.1007/s11739-022-03021-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 05/28/2022] [Indexed: 11/28/2022]
Affiliation(s)
- Pierluigi Rio
- Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Fondazione Policlinico Universitario "Agostino Gemelli", IRCCS, Largo A. Gemelli, 8, 00168, Rome, Italy
| | - Chiara Cavallaro
- Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Fondazione Policlinico Universitario "Agostino Gemelli", IRCCS, Largo A. Gemelli, 8, 00168, Rome, Italy
| | - Francesca Diomedi-Camassei
- Department of Laboratories-Pathology Unit, Bambino Gesù Children's Hospital, IRCCS, p.zza S. Onofrio 4, 00165, Rome, Italy
| | - Rossella Cianci
- Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Fondazione Policlinico Universitario "Agostino Gemelli", IRCCS, Largo A. Gemelli, 8, 00168, Rome, Italy.
| | - Giovanni Gambassi
- Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Fondazione Policlinico Universitario "Agostino Gemelli", IRCCS, Largo A. Gemelli, 8, 00168, Rome, Italy
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10
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Concomitant Nephrotic Syndrome and Cryoglobulinemia in a Case of Malignant Mesothelioma. Case Rep Nephrol 2022; 2022:8677293. [PMID: 36213871 PMCID: PMC9534674 DOI: 10.1155/2022/8677293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 08/30/2022] [Indexed: 11/18/2022] Open
Abstract
Malignant pleural mesothelioma is rarely associated with nephrotic syndrome. Cryoglobulinemia is found in various pathological statuses, such as hepatitis C virus infection but rarely in malignant neoplasms. We recently encountered a patient with malignant mesothelioma coincident with nephrotic syndrome and cryoglobulinemia in the course of chemotherapy. A 60-year-old man employed as a building painter was diagnosed with malignant mesothelioma by lung biopsy two years earlier and was started on chemotherapy. Nivolumab seemed effective in controlling mesothelioma, but skin immune-related adverse events occurred during the course of treatment. After discontinuation of nivolumab and administration of gemcitabine as an alternative therapy, the patient was referred to a nephrologist because of the subsequent development of edema, renal injury, and proteinuria. Following the investigation, he was diagnosed with nephrotic syndrome and cryoglobulinemia with C4-dominant cold activation. However, a percutaneous renal biopsy could not be performed due to persistent severe cough induced by pleural involvement. The patient died a little over three years after the pathological diagnosis of pleural mesothelioma. Our case had three key features nephrotic syndrome was possibly associated with malignant mesothelioma; cryoglobulinemia occurred in malignant mesothelioma; and concomitant nephrotic syndrome and cryoglobulinemia occurred after chemotherapy. Unfortunately, our rare case lacks a basis in renal pathology or evidence of links between the pathogenesis of malignant mesothelioma, cryoglobulinemia, and nephrotic syndrome. This case does not provide a causal mechanism, but may be worth adding to the case list as one of the rare renal involvement in a patient with malignant mesothelioma.
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11
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Spector BL, VanSickle JS. A rare cause of oligoanuric kidney failure - a diagnosis not to miss: Answers. Pediatr Nephrol 2022; 37:2063-2065. [PMID: 35166913 DOI: 10.1007/s00467-022-05485-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/31/2022] [Indexed: 10/19/2022]
Affiliation(s)
- Benjamin L Spector
- Divison of Pediatric Nephrology, Children's Mercy Hospital, 2401 Gillham Road, Kansas City, MO, 64108, USA
| | - Judith Sebestyen VanSickle
- Divison of Pediatric Nephrology, Children's Mercy Hospital, 2401 Gillham Road, Kansas City, MO, 64108, USA.
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12
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Wilhelm D, Caster D, Coventry S, Garg G. A Case of Colon Cancer and Pauci-Immune Crescentic Glomerulonephritis. Cureus 2022; 14:e27460. [PMID: 36060342 PMCID: PMC9420541 DOI: 10.7759/cureus.27460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/29/2022] [Indexed: 11/26/2022] Open
Abstract
The association between membranous nephropathy and cancer has been well documented. Crescentic glomerulonephritis (GN) has also been associated with various types of cancers. To our knowledge, there has only been one previously documented case of seronegative pauci-immune crescentic glomerulonephritis associated with colon cancer. We present a case of a 51-year-old male with newly diagnosed high-grade poorly-differentiated colon carcinoma who was found to have seronegative pauci-immune crescentic GN with 70% involvement of glomeruli on renal biopsy. The patient was treated with pulse steroids and rituximab with resolution of acute kidney injury.
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13
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Bharati J, Lahoud OB, Jhaveri KD, Izzedine H. AA Amyloidosis associated with cancers. Nephrol Dial Transplant 2022; 38:1366-1374. [PMID: 35867878 DOI: 10.1093/ndt/gfac217] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Indexed: 11/12/2022] Open
Abstract
Systemic AA amyloidosis is associated with systemic inflammatory processes such as autoimmune disorders or chronic infections. In addition, AA amyloidosis can develop in a localized or systemic form in patients with malignant neoplastic disorders, and usually involves kidneys impacting renal function. Among solid tumors, renal cell carcinoma (RCC) appears to be responsible for one-quarter to half of all cancers associated with amyloidosis. Among other solid cancers, various clinical presentation and pathological types of lung cancer and basal cell carcinoma skin were reported with AA amyloidosis more often than isolated case reports on other cancers with AA amyloidosis. Symptoms from kidney involvement rather than from the tumor per se were the presenting manifestations in cases of RCC associated with AA amyloidosis. Among hematological malignancies, clonal B cell/plasma cell dyscrasias such as monoclonal gammopathy and lymphoma were noted to be associated with AA amyloidosis. In addition, AA amyloidosis was reported in a substantial number of cases treated with immune checkpoint inhibitors such as pembrolizumab and nivolumab. The mechanism of association of cancer and AA amyloidosis seems to be mediated by the immune response exacerbated from the tumor and its microenvironment or immune therapy. The mainstay of treatment consists of therapy directed against the underlying malignancy or careful withdrawal of the offending agent. This review will discuss this rare but highly morbid clinical condition.
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Affiliation(s)
- Joyita Bharati
- Department of Nephrology, Post Graduate Institute of Medical Education and Research, Chandigarh, India.,Glomerular Center at Northwell Health, Division of Kidney Diseases and Hypertension, Department of Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Great Neck, NY, USA
| | - Oscar B Lahoud
- Adult Bone Marrow Transplant Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, NY, NY, USA
| | - Kenar D Jhaveri
- Glomerular Center at Northwell Health, Division of Kidney Diseases and Hypertension, Department of Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Great Neck, NY, USA
| | - Hassan Izzedine
- Department of Nephrology, Peupliers Private Hospital, Ramsay Générale de Santé, Paris, France
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14
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Critical evaluation of cancer risks in glomerular disease. Transl Oncol 2022; 19:101376. [PMID: 35220046 PMCID: PMC8881657 DOI: 10.1016/j.tranon.2022.101376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Accepted: 02/14/2022] [Indexed: 11/24/2022] Open
Abstract
The increased cancer incidence in patients with glomerular disease can be secondary to an intrinsic immune dysfunction associated with the disease or/and extrinsic factors, especially immunosuppressants. Paraneoplastic glomerulopathy is sometimes misdiagnosed as primary glomerulopathy. The treatment for paraneoplastic glomerulopathy is different from primary glomerular disease. In membranous nephropathy, serum circulating autoantibodies against PLA2R and THSD7A, immunohistochemical tissue markers for glomerular PLA2R, THSD7A and specific types of immunoglobulin G (IgG) may be used for identifying underlying malignancies. A scheme of screening of cancers frequently reported in the setting of glomerular disease is important.
The increased cancer incidence in patients with glomerular disease can be secondary to an intrinsic immune dysfunction associated with the disease or/and extrinsic factors, especially immunosuppressants. The treatment for paraneoplastic glomerulopathy is different from primary glomerular disease. Immunosuppressive therapy often used for primary glomerulopathy may aggravate concomitant cancers in patients with paraneoplastic glomerulopathy. In membranous nephropathy (MN), measurement of serum circulating autoantibodies against podocyte transmembrane glycoprotein M-type phospholipase A2 receptor (PLA2R) and thrombospondin type 1 domain-containing 7A (THSD7A), immunohistochemical staining of kidney tissue for glomerular PLA2R, THSD7A, neural epidermal growth factor-like 1 protein (NELL-1) and specific types of immunoglobulin G (IgG) may be useful adjuncts when screening for underlying malignancies. This review addresses overall cancer risks in individuals with glomerular diseases and employment of biomarkers available for MN. We propose a scheme of screening of cancers frequently reported in the setting of glomerular disease.
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15
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Abramson M, Mehdi A. Hematological Malignancies and the Kidney. Adv Chronic Kidney Dis 2022; 29:127-140.e1. [PMID: 35817520 DOI: 10.1053/j.ackd.2022.02.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 12/23/2021] [Accepted: 02/15/2022] [Indexed: 11/11/2022]
Abstract
The incidence of hematologic malignancies is on the rise worldwide. Kidney disease is ubiquitous in patients with hematologic malignancies, encompassing a wide spectrum of disorders involving each kidney compartment, including the vasculature, tubules, interstitium, and glomerulus, and there is significant overlap of kidney involvement with each hematologic malignancy. Vascular disorders include both microvascular and macrovascular damage, via thrombotic microangiopathy, hyperleukocytosis, hyperviscosity, and cryoglobulinemia. The tubulointerstitial compartment may be affected by prerenal azotemia and acute tubular injury, but malignant infiltration, tumor lysis syndrome, extramedullary hematopoiesis, cast nephropathy, granulomatous interstitial nephritis, and lysozymuria should be considered in certain populations. Obstructive uropathy may occur due to nephrolithiasis or retroperitoneal fibrosis. Glomerular disorders, including membranoproliferative, membranous, minimal change, and focal segmental glomerulosclerosis, can rarely occur. By understanding how each compartment may be affected, care can best be optimized for these patients. In this review, we summarize the widely varied etiologies of kidney diseases stratified by kidney compartment and hematologic malignancy, focusing on demographics, pathology, pathophysiology, mechanism, and outcomes. We conclude with common electrolyte abnormalities associated with hematologic malignancies.
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16
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Jeyabalan A, Trivedi M. Paraneoplastic Glomerular Diseases. Adv Chronic Kidney Dis 2022; 29:116-126.e1. [PMID: 35817519 DOI: 10.1053/j.ackd.2022.02.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 02/20/2022] [Accepted: 02/25/2022] [Indexed: 11/11/2022]
Abstract
Paraneoplastic glomerular diseases (GNs) are rare manifestations in patients with underlying hematologic and solid organ malignancies and can occur before or after the detection of cancer. In the absence of established algorithms for investigation and reliable tests, they remain difficult to diagnose. Given the heterogeneity and infrequency of cases, the pathogenesis of most paraneoplastic GNs is poorly understood. Most of our recent understanding of paraneoplastic GNs has emerged from the discovery of target antigens in membranous nephropathy such as thrombospondin type-1 domain-containing protein 7A and neural epidermal growth factor-like 1 protein that appear to be promising in differentiating a primary vs paraneoplastic cause of membranous nephropathy. Treatment of paraneoplastic GNs is usually directed at the underlying malignancy. This review will focus on the epidemiology, pathogenesis, and diagnosis of paraneoplastic glomerular processes.
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Affiliation(s)
- Anushya Jeyabalan
- Vasculitis and Glomerulonephritis Center, Division of Nephrology, Massachusetts General Hospital, Boston, MA
| | - Mayuri Trivedi
- Department of Nephrology, Lokmanya Tilak Municipal General Hospital, Mumbai, India.
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17
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Vlasschaert C, Moran SM, Rauh MJ. The Myeloid-Kidney Interface in Health and Disease. Clin J Am Soc Nephrol 2022; 17:323-331. [PMID: 34507968 PMCID: PMC8823925 DOI: 10.2215/cjn.04120321] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Kidney homeostasis is highly dependent upon the correct functioning of myeloid cells. These cells form a distributed surveillance network throughout the kidney, where they play an integral role in the response to organ threat. Dysregulation of resident proinflammatory and profibrotic macrophages leads to kidney structural damage and scarring after kidney injury. Fibrosis throughout the kidney parenchyma contributes to the progressive functional decline observed in CKD, independent of the etiology. Circulating myeloid cells bearing intrinsic defects also affect the kidney substructures, such as neutrophils activated by autoantibodies that cause GN in ANCA-associated vasculitis. The kidney can also be affected by disorders of myelopoiesis, including myeloid leukemias (acute and chronic myeloid leukemias) and myelodysplastic syndromes. Clonal hematopoiesis of indeterminate potential is a common, newly recognized premalignant clinical entity characterized by clonal expansion of hyperinflammatory myeloid lineage cells that may have significant kidney sequelae. A number of existing therapies in CKD target myeloid cells and inflammation, including glucocorticoid receptor agonists and mineralocorticoid receptor antagonists. The therapeutic indications for these and other myeloid cell-targeted treatments is poised to expand as our understanding of the myeloid-kidney interface evolves.
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Affiliation(s)
| | - Sarah M. Moran
- Department of Medicine, Queen’s University, Kingston, Ontario, Canada
| | - Michael J. Rauh
- Department of Pathology and Molecular Medicine, Queen’s University, Kingston, Ontario, Canada
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18
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Lees JS, Elyan BMP, Herrmann SM, Lang NN, Jones RJ, Mark PB. OUP accepted manuscript. Nephrol Dial Transplant 2022; 38:1071-1079. [PMID: 35090037 PMCID: PMC10157781 DOI: 10.1093/ndt/gfac011] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Indexed: 11/13/2022] Open
Abstract
Cancer is the second leading cause of death in people with chronic kidney disease (CKD) after cardiovascular disease. The incidence of CKD in patients with cancer is higher than in the non-cancer population. Across various populations, CKD is associated with an elevated risk of cancer incidence and cancer death compared with people without CKD, although the risks are cancer site-specific. Higher risk of cancer is detectable in mild CKD [estimated glomerular filtration rate (eGFR) 60-89 mL/min/1.73 m2], although this risk is more obvious if sensitive markers of kidney disease are used, such as cystatin C. Independent of eGFR, albuminuria is associated with increased risk of site-specific cancer incidence and death. Here, we explore the potential mechanisms for the increased risk of cancer observed in CKD, including patient factors (shared risks such as cardiometabolic disease, obesity, smoking, diet, lifestyle and environment), disease (genetic, inflammatory and infective) and treatment factors. In particular, we discuss the ways in which renal adverse events associated with conventional chemotherapies and newer systemic anti-cancer therapies (including targeted and immunotherapies) may contribute to worse cancer outcomes in people with CKD. Finally, we review the potential benefits of acknowledging increased risk of cancer in risk prediction tools used for the management of CKD.
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Affiliation(s)
- Jennifer S Lees
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Benjamin M P Elyan
- Department of Renal Medicine, University Hospital Monklands, Airdrie, UK
| | | | - Ninian N Lang
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Robert J Jones
- Institute of Cancer Sciences, University of Glasgow, Glasgow, UK
| | - Patrick B Mark
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
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19
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Li M, Xu G. An update of proliferative glomerulonephritis with monoclonal immunoglobulin deposits. Clin Kidney J 2021; 15:1041-1048. [PMID: 35664272 PMCID: PMC9155251 DOI: 10.1093/ckj/sfab269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Indexed: 11/14/2022] Open
Abstract
Abstract
As aging increases, monoclonal gammopathy is becoming more common, and monoclonal gammopathy of renal significance (MGRS) is gaining attention due to frequent renal involvement. Among MGRS, proliferative glomerulonephritis with monoclonal immunoglobulin deposits (PGNMID) is a special category. The disease was first described in 2004, and the research history on it is relatively short. Compared with other MGRS, the detection rate of circulating clones is lower in patients with PGNMID, which is easy to be missed and misdiagnosed in clinical work. In this review, the etiology and clinical features of PGNMID are discussed. It is noted that PGNMID is not only associated with MGRS, but also with malignancy, infection, and other factors. PGNMID is not a disease exclusive to the elderly, young people can also develop this disease. Due to the low detection rate of circulating clones in most patients, confirmation of the disease needs to be combined with renal pathology, which emphasizes the importance of completing light and heavy chain subtype staining. Treatment options for patients with PGNMID differ by etiology. For MGRS-associated PGNMID, the current treatment is primarily empirical and more research evidence is needed to fill the treatment gap.
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Affiliation(s)
- Manna Li
- Department of Nephrology, the Second Affiliated Hospital of Nanchang University, China
| | - Gaosi Xu
- Department of Nephrology, the Second Affiliated Hospital of Nanchang University, China
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20
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Al Mushafi A, Ooi JD, Odobasic D. Crescentic Glomerulonephritis: Pathogenesis and Therapeutic Potential of Human Amniotic Stem Cells. Front Physiol 2021; 12:724186. [PMID: 34721059 PMCID: PMC8554237 DOI: 10.3389/fphys.2021.724186] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Accepted: 09/24/2021] [Indexed: 12/15/2022] Open
Abstract
Chronic kidney disease (CKD) leads to significant morbidity and mortality worldwide. Glomerulonephritis (GN) is the second leading cause of CKD resulting in end stage renal failure. The most severe and rapidly progressive type of GN is characterized by glomerular crescent formation. The current therapies for crescentic GN, which consist of broad immunosuppressive drugs, are partially effective, non-specific, toxic and cause many serious side effects including infections, cancer, and cardiovascular problems. Therefore, new and safer therapies are needed. Human amniotic epithelial cells (hAECs) are a type of stem cell which are isolated from the placenta after birth. They represent an attractive and novel therapeutic option for the treatment of various inflammatory conditions owing to their unique and selective immunosuppressive ability, as well as their excellent safety profile and clinical applicability. In this review, we will discuss the immunopathogenesis of crescentic GN, issues with currently available treatments and how hAECs offer potential to become a new and harmless treatment option for this condition.
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Affiliation(s)
- Ahmed Al Mushafi
- Department of Medicine, Monash Medical Centre, Centre for Inflammatory Diseases, Monash University, Clayton, VIC, Australia
| | - Joshua D Ooi
- Department of Medicine, Monash Medical Centre, Centre for Inflammatory Diseases, Monash University, Clayton, VIC, Australia
| | - Dragana Odobasic
- Department of Medicine, Monash Medical Centre, Centre for Inflammatory Diseases, Monash University, Clayton, VIC, Australia
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21
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Hadianamrei R, Tomeh MA, Brown S, Wang J, Zhao X. Correlation between the secondary structure and surface activity of β-sheet forming cationic amphiphilic peptides and their anticancer activity. Colloids Surf B Biointerfaces 2021; 209:112165. [PMID: 34715505 DOI: 10.1016/j.colsurfb.2021.112165] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 10/07/2021] [Accepted: 10/16/2021] [Indexed: 01/01/2023]
Abstract
Cancer is one of the main causes of death worldwide. The current cancer treatment strategies often lack selectivity for cancer cells resulting in dose-limiting adverse effects and reduced quality of life. Recently, anticancer peptides (ACPs) have emerged as an alternative treatment with higher selectivity, less adverse effects, and lower propensity for drug resistance. However, most of the current studies on the ACPs are focused on α-helical ACPs and there is lack of systematic studies on β-sheet forming ACPs. Herein we report the development of a new series of rationally designed short cationic amphiphilic β-sheet forming ACPs and their structure activity relationship. The peptides had the general formula (XY1XY2)3, with X representing hydrophobic amino acids (isoleucine (I) or leucine (L)), Y1 and Y2 representing cationic amino acids (arginine (R) or lysine (K)). The cytotoxicity of the designed ACPs in HCT 116 colorectal cancer, HeLa cervical cancer and human dermal fibroblast (HDF) cells was assessed by MTT test. The physicochemical properties of the peptides were characterized by various techniques including RP-HPLC, LC-MS, and Circular Dichroism (CD) spectroscopy. The surface activity of the peptides at the air-water interface and their interaction with the lipid monolayers as models for cell membranes were studied by Langmuir trough. The peptides consisting of I with R and K had selective anticancer activity while the combination of L and R diminished the anticancer activity of the peptides but rendered them more toxic to HDFs. The anticancer activity of the peptides was directed by their surface activity (amphiphilicity) and their secondary structure in hydrophobic surfaces including cancer cell membranes. The selectivity of the peptides for cancer cells was a result of their higher penetration into cancer cell membranes compared to normal cell membranes. The peptides exerted their anticancer activity by disrupting the mitochondrial membranes and eventually apoptosis. The results presented in this study provide an insight into the structure-activity relationship of this class of ACPs which can be employed as guidance to design new ACPs with improved anticancer activity and lower toxicity against normal cells.
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Affiliation(s)
- Roja Hadianamrei
- Department of Chemical and Biological Engineering, University of Sheffield, S1 3JD, UK
| | - Mhd Anas Tomeh
- Department of Chemical and Biological Engineering, University of Sheffield, S1 3JD, UK
| | - Stephen Brown
- Department of Biomedical Science, University of Sheffield, S10 2TN, UK
| | - Jiqian Wang
- Centre for Bioengineering and Biotechnology, China University of Petroleum (East China), Qingdao 266555, China
| | - Xiubo Zhao
- Department of Chemical and Biological Engineering, University of Sheffield, S1 3JD, UK; School of Pharmacy, Changzhou University, Changzhou 213164, China.
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22
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Hadianamrei R, Tomeh MA, Brown S, Wang J, Zhao X. Rationally designed short cationic α-helical peptides with selective anticancer activity. J Colloid Interface Sci 2021; 607:488-501. [PMID: 34509120 DOI: 10.1016/j.jcis.2021.08.200] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 08/08/2021] [Accepted: 08/30/2021] [Indexed: 02/08/2023]
Abstract
HYPOTHESIS Naturally derived or synthetic anticancer peptides (ACPs) have emerged as a new generation of anticancer agents with higher selectivity for cancer cells and less propensity for drug resistance. Despite the structural diversity of ACPs, α-helix is the most common secondary structure among them. Herein we report the development of a new library of short cationic amphiphilic α-helical ACPs with selective cytotoxicity against colorectal and cervical cancer. EXPERIMENTS The peptides had a general formula C(XXYY)3 with C representing amino acid cysteine (providing a -SH group for molecular conjugation), X representing hydrophobic amino acids (isoleucine (I) or leucine (L)), and Y representing cationic amino acids (arginine (R) or lysine (K)). Two variants of the peptides were synthesized by adding additional Isoleucine residues to the C-terminal and replacing the N-terminal cysteine with LC-propargylglycine (LC-G) to investigate the effect of N-terminal and C-terminal variation on the anticancer activity. The structure and physicochemical properties of the peptides were determined by RP-HPLC, LC-MS and CD spectroscopy. The cytotoxicity of the peptides in different cell lines was assessed by MTT test, cell proliferation assay and mitochondrial damage assay. The mechanism of cell selectivity of the peptides was investigated by studying their interfacial behaviour at the air/water and lipid/water interface using Langmuir trough. FINDINGS The peptides consisting of K residues in their hydrophilic domains exhibited more selective anticancer activity whereas the peptides containing R exhibited strong toxicity in normal cells. The anticancer activity of the peptides was a function of their helical content and their hydrophobicity. Therefore, the addition of two I residues at C-terminal enhanced the anticancer activity of the peptides by increasing their hydrophobicity and their helical content. These two variants also exhibited strong anticancer activity against colorectal cancer multicellular tumour spheroids (MCTS). The higher toxicity of the peptides in cancer cells compared to normal cells was the result of higher penetration into the negatively charged cancer cell membranes, leading to higher cellular uptake, and their cytotoxic effect was mainly exerted by damaging the mitochondrial membranes leading to apoptosis. The results from this study provide a basis for rational design of new α-helical ACPs with enhanced anticancer activity and selectivity.
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Affiliation(s)
- Roja Hadianamrei
- Department of Chemical and Biological Engineering, University of Sheffield, S1 3JD, UK
| | - Mhd Anas Tomeh
- Department of Chemical and Biological Engineering, University of Sheffield, S1 3JD, UK
| | - Stephen Brown
- Department of Biomedical Science, University of Sheffield, S10 2TN, UK
| | - Jiqian Wang
- Centre for Bioengineering and Biotechnology, China University of Petroleum (East China), Qingdao 266555, China
| | - Xiubo Zhao
- Department of Chemical and Biological Engineering, University of Sheffield, S1 3JD, UK; School of Pharmacy, Changzhou University, Changzhou 213164, China.
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23
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Acute kidney injury in cancer patients. Clin Exp Nephrol 2021; 26:103-112. [PMID: 34499266 DOI: 10.1007/s10157-021-02131-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 09/02/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVE We want to know the causes of AKI in oncology patients, including disease-related complications and the nephrotoxicity of chemotherapy drugs, in order to provide more useful clinical information. METHODS In this review, an electronic search of the English language literature was performed in the database PubMed, with the results enriched by manual searches and citation mining, factors investigated in the selected articles included acute kidney injury, oncology, chemotherapy, anticancer drug, antitumor drug. RESULTS According to the searched articles, we summarized the causes (including pre-renal, intrinsic renal, and post-renal lesion) of AKI in cancer patients and the corresponding management measures. Among the pre-renal factors we mainly described hypercalcemia, hematopoietic cell transplantation, post-renal factors we mainly described hemorrhagic cystitis, and intrinsic renal factors we mainly described thrombotic microangiopathy, chemotherapeutics, tumor lysis syndrome, cast nephropathy, in which the emphasis was on chemotherapy drug associated AKI and its treatment. CONCLUSIONS AKI is not uncommon in cancer patients, and has diverse causes and negative outcomes. Both nephrologists and oncologists need to be aware of the unique reasons of AKI in this population and its optimal management.
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24
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Dieffenbach BV, Liu Q, Murphy AJ, Stein DR, Wu N, Madenci AL, Leisenring WM, Kadan-Lottick NS, Christison-Lagay ER, Goldsby RE, Howell RM, Smith SA, Oeffinger KC, Yasui Y, Armstrong GT, Weldon CB, Chow EJ, Weil BR. Late-onset kidney failure in survivors of childhood cancer: a report from the Childhood Cancer Survivor Study. Eur J Cancer 2021; 155:216-226. [PMID: 34391054 PMCID: PMC8429192 DOI: 10.1016/j.ejca.2021.06.050] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 06/16/2021] [Accepted: 06/30/2021] [Indexed: 01/26/2023]
Abstract
BACKGROUND The incidence of and risk factors for late-onset kidney failure among survivors over the very long term remains understudied. MATERIALS AND METHODS A total of 25,530 childhood cancer survivors (median follow-up 22.3 years, interquartile range 17.4-28.8) diagnosed between 1970 and 1999, and 5045 siblings from the Childhood Cancer Survivor Study were assessed for self-reported late-onset kidney failure, defined as dialysis, renal transplantation, or death attributable to kidney disease. Piecewise exponential models evaluated associations between risk factors and the rate of late-onset kidney failure. RESULTS A total of 206 survivors and 10 siblings developed late-onset kidney failure, a 35-year cumulative incidence of 1.7% (95% confidence interval [CI] = 1.4-1.9) and 0.2% (95% confidence interval [CI] = 0.1-0.4), respectively, corresponding to an adjusted rate ratio (RR) of 4.9 (95% CI = 2.6-9.2). High kidney dose from radiotherapy (≥15Gy; RR = 4.0, 95% CI = 2.1-7.4), exposure to high-dose anthracycline (≥250 mg/m2; RR = 1.6, 95% CI = 1.0-2.6) or any ifosfamide chemotherapy (RR = 2.6, 95% CI = 1.2-5.7), and nephrectomy (RR = 1.9, 95% CI = 1.0-3.4) were independently associated with elevated risk for late-onset kidney failure among survivors. Survivors who developed hypertension, particularly in the context of prior nephrectomy (RR = 14.4, 95% CI = 7.1-29.4 hypertension with prior nephrectomy; RR = 5.9, 95% CI = 3.3-10.5 hypertension without prior nephrectomy), or diabetes (RR = 2.2, 95%CI = 1.2-4.2) were also at elevated risk for late-onset kidney failure. CONCLUSIONS Survivors of childhood cancer are at increased risk for late-onset kidney failure. Kidney dose from radiotherapy ≥15 Gy, high-dose anthracycline, any ifosfamide, and nephrectomy were associated with increased risk of late-onset kidney failure among survivors. Successful diagnosis and management of modifiable risk factors such as diabetes and hypertension may mitigate the risk for late-onset kidney failure. The association of late-onset kidney failure with anthracycline chemotherapy represents a novel finding that warrants further study.
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Affiliation(s)
- Bryan V Dieffenbach
- Department of Surgery, Boston Children's Hospital and Harvard Medical School, Boston, MA, USA; Department of Surgery, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA; Department of Pediatric Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA.
| | - Qi Liu
- School of Public Health, University of Alberta, Edmonton, Alberta, Canada
| | - Andrew J Murphy
- Department of Surgery, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Deborah R Stein
- Division of Nephrology, Boston Children's Hospital and Harvard Medical School, Boston, MA, USA
| | - Natalie Wu
- Clinical Research and Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Arin L Madenci
- Department of Surgery, Boston Children's Hospital and Harvard Medical School, Boston, MA, USA; Department of Surgery, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA; Department of Pediatric Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Wendy M Leisenring
- Clinical Research and Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Nina S Kadan-Lottick
- Section of Pediatric Hematology-Oncology, Yale University and Yale Cancer Center, New Haven, CT, USA
| | - Emily R Christison-Lagay
- Division of Pediatric Surgery, Department of General Surgery, Yale School of Medicine, New Haven, USA
| | - Robert E Goldsby
- Division of Oncology, Department of Pediatrics, UCSF Benioff Children's Hospital, San Francisco, CA, USA
| | - Rebecca M Howell
- Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Susan A Smith
- Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Kevin C Oeffinger
- Department of Medicine, Duke University School of Medicine, Durham, NC, USA
| | - Yutaka Yasui
- Department of Epidemiology and Cancer Control, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Gregory T Armstrong
- Department of Epidemiology and Cancer Control, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Christopher B Weldon
- Department of Surgery, Boston Children's Hospital and Harvard Medical School, Boston, MA, USA; Department of Pediatric Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Eric J Chow
- Clinical Research and Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Brent R Weil
- Department of Surgery, Boston Children's Hospital and Harvard Medical School, Boston, MA, USA; Department of Pediatric Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
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25
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Zonoozi S, Palmer M, Ursina T, Geara A. Worsening membranous nephropathy in a patient with GIST treated with sunitinib. BMJ Case Rep 2021; 14:e243567. [PMID: 34380680 PMCID: PMC8359499 DOI: 10.1136/bcr-2021-243567] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/04/2021] [Indexed: 01/04/2023] Open
Abstract
Tyrosine kinase inhibitors (TKI) are anticancer agents widely used for a variety of malignancies including gastrointestinal stromal tumours (GIST). Although generally well-tolerated, TKIs have been associated with a number of adverse events including hypertension, proteinuria and nephrotic syndrome. We present the case of a 70-year-old patient with metastatic GIST on long-standing sunitinib who developed hypertension, oedema and hypoalbuminemia with a rising serum creatinine and was found to have nephrotic syndrome. Workup revealed elevated antiphospholipase A2 receptor (PLA2R) antibody IgG titres and a kidney biopsy confirmed PLA2R-positive membranous nephropathy without findings of thrombotic microangiopathy. Cessation of sunitinib led to reduction in anti-PLA2R antibody IgG titres while resumption, due to concern for cancer progression, led to worsening symptoms. Treatment with rituximab led to undetectable anti-PLA2R IgG titres. We highlight the importance of maintaining a systematic approach for evaluating nephrotic syndrome and provide a case showing that TKIs can exacerbate underlying nephrotic syndrome.
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Affiliation(s)
- Shahrzad Zonoozi
- Pennsylvania Hospital, University of Pennsylvania Health System, Philadelphia, Pennsylvania, USA
| | - Matthew Palmer
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Teitelbaum Ursina
- Department of Medicine and Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Abdallah Geara
- Department of Medicine and Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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26
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Nivolumab-associated glomerular endothelial injury in a patient with gastric cancer. CEN Case Rep 2021; 10:576-581. [PMID: 34033070 DOI: 10.1007/s13730-021-00610-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Accepted: 06/05/2020] [Indexed: 10/21/2022] Open
Abstract
A 68-year-old male with gastric cancer was treated with tegafur/gimeracil/oteracil and oxaliplatin for 6 months. Thereafter, he was treated with paclitaxel and ramucirumab for 3 months. However, neither regimen had much effect. Thus, he was treated with nivolumab for 2 months, but he developed proteinuria, microhematuria, and an acute kidney injury. A kidney biopsy revealed occasional swollen endothelial cells and proliferating mesangial cells. Few abnormal findings were seen in the tubules or interstitial tissue. Immunofluorescent staining showed segmental immunoglobulin A and complement component 3 deposition, in the mesangial area. Electron microscopy showed a small amount of electron-dense deposits in the paramesangial area and swollen endothelial cells. Mesangial interposition, the loss of endothelial cell fenestration, and subendothelial edema were also observed. Furthermore, foot process effacement and villous transformation of epithelial cells were noted. After the discontinuation of nivolumab, the patient's renal function gradually improved, and his proteinuria disappeared. Nivolumab treatment was restarted at that time because of cancer progression; however, it was ineffective. No occult blood was detected from 7 months after the administration of the last dose of nivolumab. This is a unique case, in which a kidney biopsy revealed evidence of nivolumab-associated glomerular endothelial injury.
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Choi SB, Kim KM, Park MH, Kang KP. Collapsing focal segmental glomerulosclerosis in a patient with oral cavity cancer: A case report. Medicine (Baltimore) 2021; 100:e25857. [PMID: 33951000 PMCID: PMC8104137 DOI: 10.1097/md.0000000000025857] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 04/21/2021] [Indexed: 01/04/2023] Open
Abstract
RATIONALE Focal segmental glomerulosclerosis (FSGS) is one of the most common glomerular diseases, leading to end-stage renal disease. Among the 5 variants of FSGS, the collapsing variant is rare and has the worst prognosis. Solid and hematologic malignancies are associated with glomerular diseases, such as membranous nephropathy, minimal change disease, and FSGS. However, squamous cell carcinoma of the oral cavity is rarely associated with nephrotic syndrome, especially FSGS. PATIENT CONCERNS A 55-year-old woman diagnosed with oral cavity cancer presented with generalized edema with heavy proteinuria and renal dysfunction after neoadjuvant chemotherapy and wide surgical excision. DIAGNOSIS Renal biopsy shows segmental or global collapse of glomerular capillaries with marked hyperplasia and swelling of overlying epithelial cells, suggesting a collapsing variant of FSGS. INTERVENTIONS After the renal biopsy, we prescribed oral prednisolone at a dose of 1 mg/kg/day. Despite immunosuppressive treatment, renal function deteriorated, and hemodialysis was started. OUTCOMES After 23 sessions of hemodialysis and high-dose oral glucocorticoid treatment, renal function gradually improved, and oral glucocorticoid therapy was discontinued after 8 months. Currently, this patient is in a cancer-free state and has normal renal function without proteinuria. LESSONS Unusual collapsing FSGS might be associated with neoadjuvant chemotherapy and wide surgical excision in patients with oral cavity cancer. Proper diagnostic workup, such as renal biopsy and high-dose glucocorticoid therapy, might have helped recover from nephrotic syndrome and acute renal injury in cancer patients.
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Affiliation(s)
- Sae Byeol Choi
- Department of Internal Medicine, Research Institute of Clinical Medicine, Jeonbuk National University Medical School
- Biomedical Research Institute, Jeonbuk National University Hospital
| | - Kyoung Min Kim
- Department of Pathology, Jeonbuk National University Medical School, Jeonju, Korea
| | - Moon Hyang Park
- Department of Pathology, Konyang University Hospital, Daejeon, Republic of Korea
| | - Kyung Pyo Kang
- Department of Internal Medicine, Research Institute of Clinical Medicine, Jeonbuk National University Medical School
- Biomedical Research Institute, Jeonbuk National University Hospital
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Renal Diseases Associated with Hematologic Malignancies and Thymoma in the Absence of Renal Monoclonal Immunoglobulin Deposits. Diagnostics (Basel) 2021; 11:diagnostics11040710. [PMID: 33921123 PMCID: PMC8071536 DOI: 10.3390/diagnostics11040710] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 04/02/2021] [Accepted: 04/13/2021] [Indexed: 12/05/2022] Open
Abstract
In addition to kidney diseases characterized by the precipitation and deposition of overproduced monoclonal immunoglobulin and kidney damage due to chemotherapy agents, a broad spectrum of renal lesions may be found in patients with hematologic malignancies. Glomerular diseases, in the form of paraneoplastic glomerulopathies and acute kidney injury with various degrees of proteinuria due to specific lymphomatous interstitial and/or glomerular infiltration, are two major renal complications observed in the lymphoid disorder setting. However, other hematologic neoplasms, including chronic lymphocytic leukemia, thymoma, myeloproliferative disorders, Castleman disease and hemophagocytic syndrome, have also been associated with the development of kidney lesions. These renal disorders require prompt recognition by the clinician, due to the need to implement specific treatment, depending on the chemotherapy regimen, to decrease the risk of subsequent chronic kidney disease. In the context of renal disease related to hematologic malignancies, renal biopsy remains crucial for accurate pathological diagnosis, with the aim of optimizing medical care for these patients. In this review, we provide an update on the epidemiology, clinical presentation, pathophysiological processes and diagnostic strategy for kidney diseases associated with hematologic malignancies outside the spectrum of monoclonal gammopathy of renal significance.
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Alonso F, Auñón P, Cavero T, Salgueira M, Praga M, Quiroga B, de Francisco ÁLM, Macía M. Monographic consultation of onconephrology. Rationale and implementation. Nefrologia 2021; 41:154-164. [PMID: 36165376 DOI: 10.1016/j.nefroe.2021.04.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Accepted: 08/06/2020] [Indexed: 06/16/2023] Open
Abstract
The increase in demand for medical care for renal complications associated with neoplastic diseases is a reality in most nephrology departments. In response to this overall situation, the creation of healthcare models such as monographic consultations and develop training programs in Onconephrology could improve the care of these patients. Through an exploratory and descriptive study, we identified current situation of kidney involvement in cancer patients. The objective of the present study is to establish the criteria for specific assistance in the field of Onconephrology. For this, we have reviewed key aspects and analyzed the current situation in our country, through a survey addressed to all nephrologists through the Spanish Society of Nephrology., together with the experience of two Spanish centers. From this information, we have established some requirements and recommendations for the start-up of these consultations.
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Affiliation(s)
| | - Pilar Auñón
- Hospital Universitario Doce de Octubre, Madrid, Spain
| | - Teresa Cavero
- Hospital Universitario Doce de Octubre, Madrid, Spain
| | | | - Manuel Praga
- Hospital Universitario Doce de Octubre, Madrid, Spain
| | | | - Ángel L M de Francisco
- Hospital Universitario Marqués de Valdecilla, Universidad de Cantabria, Santander, Cantabria, Spain
| | - Manuel Macía
- Hospital Universitario Nuestra Señora de Candelaria, Santa Cruz de Tenerife, Spain
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30
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Sanathkumar HT, Thirumalvalavan K, Raj TY, Srinivasaprasad ND, Sujith S, Fernando EM. Association of IgA Nephropathy with Squamous Cell Carcinoma of the Tongue: - Case Report and Review of Literature. Indian J Nephrol 2021; 31:290-292. [PMID: 34376946 PMCID: PMC8330642 DOI: 10.4103/ijn.ijn_361_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 12/14/2019] [Accepted: 04/14/2020] [Indexed: 11/05/2022] Open
Abstract
A 32-year-old habitual tobacco chewer was diagnosed with squamous cell carcinoma of the tongue. He was initiated on chemo-radiation therapy. After completing 23 cycles of radiation and four cycles of cisplatin-based chemotherapy, he presented with acute nephritic syndrome. Renal biopsy showed IgA nephropathy and acute tubular injury. With supportive care, renal function stabilised with a reduction in proteinuria. We wish to highlight the poorly understood association between mucosal malignancies and IgA nephropathy. It is also interesting to note the peculiar temporal profile of glomerular involvement in our patient, where the onset of the glomerulonephritis was after the initiation of chemo-radiotherapy. This is unlike what has been described earlier.
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Affiliation(s)
| | - K Thirumalvalavan
- Department of Nephrology, Govt Stanley Medical College and Hospital, Chennai, Tamil Nadu, India
| | - T Yashwanth Raj
- Department of Nephrology, Govt Stanley Medical College and Hospital, Chennai, Tamil Nadu, India
| | - N D Srinivasaprasad
- Department of Nephrology, Govt Stanley Medical College and Hospital, Chennai, Tamil Nadu, India
| | - S Sujith
- Department of Nephrology, Govt Stanley Medical College and Hospital, Chennai, Tamil Nadu, India
| | - Edwin M Fernando
- Department of Nephrology, Govt Stanley Medical College and Hospital, Chennai, Tamil Nadu, India
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31
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Microwave Ablation for the Treatment of Cancer in Patients with Nephrotic Syndrome. Cardiovasc Intervent Radiol 2021; 44:822-824. [PMID: 33506284 DOI: 10.1007/s00270-021-02770-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 01/12/2021] [Indexed: 10/22/2022]
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Masuda S, Koizumi K, Moriya H, Nishino T, Uojima H, Tazawa T, Kimura K, Tasaki J, Ichita C, Sasaki A, Kako M, Hidaka S, Kudo M. Secondary Minimal Change Disease Due to Pancreatic Cancer Improved by Chemotherapy. Intern Med 2021; 60:251-257. [PMID: 32963158 PMCID: PMC7872799 DOI: 10.2169/internalmedicine.5499-20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
We herein describe an 82-year-old patient who presented with proteinuria and systemic edema. He was diagnosed with minimal change disease (MCD) and was found to have stage III pancreatic cancer. He could not undergo surgical resection due to invasion to the celiac artery and he was thus treated with chemotherapy. After a month of chemotherapy, his proteinuria improved to a normal level. After two months of chemotherapy, computed tomography indicated a partial response to the therapy. MCD can occur as paraneoplastic syndrome in patients with malignant disease, and chemotherapy can be effective for MCD associated with paraneoplastic syndrome.
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Affiliation(s)
- Sakue Masuda
- Department of Gastroenterology Medicine Center, Shonan Kamakura General Hospital, Japan
| | - Kazuya Koizumi
- Department of Gastroenterology Medicine Center, Shonan Kamakura General Hospital, Japan
| | - Hidekazu Moriya
- Department of Nephrology, Shonan Kamakura General Hospital, Japan
| | - Takashi Nishino
- Department of Gastroenterology Medicine Center, Shonan Kamakura General Hospital, Japan
| | - Haruki Uojima
- Department of Gastroenterology, Internal Medicine, Kitasato University School of Medicine, Japan
| | - Tomohiko Tazawa
- Department of Gastroenterology Medicine Center, Shonan Kamakura General Hospital, Japan
| | - Karen Kimura
- Department of Gastroenterology Medicine Center, Shonan Kamakura General Hospital, Japan
| | - Junichi Tasaki
- Department of Gastroenterology Medicine Center, Shonan Kamakura General Hospital, Japan
| | - Chikamasa Ichita
- Department of Gastroenterology Medicine Center, Shonan Kamakura General Hospital, Japan
| | - Akiko Sasaki
- Department of Gastroenterology Medicine Center, Shonan Kamakura General Hospital, Japan
| | - Makoto Kako
- Department of Gastroenterology Medicine Center, Shonan Kamakura General Hospital, Japan
| | - Sumi Hidaka
- Department of Nephrology, Shonan Kamakura General Hospital, Japan
| | - Madoka Kudo
- Department of Pathology, Shonan Kamakura General Hospital, Japan
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33
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Takahashi A, Miyauchi T, Tatsumoto N, Lin MY, Hou J, Doi T, Masaki T, Yamashita M. The histopathological spectrum of kidney biopsies in patients with thymoma and myasthenia gravis: a report of 24 biopsies from a single institution. Clin Kidney J 2021; 14:2090-2100. [PMID: 35261763 PMCID: PMC8894933 DOI: 10.1093/ckj/sfaa276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 12/22/2020] [Indexed: 11/14/2022] Open
Abstract
Background Nephropathy in patients with thymic diseases such as thymoma and myasthenia gravis (MG) is rare and has been described mostly as isolated case reports. Here we evaluate a series of kidney biopsies from patients with thymoma and/or MG from a single institution in order to better define the spectrum and relative frequencies of thymic disease–associated nephropathies. Methods We conducted a retrospective case series study of 32 462 native kidney biopsies from January 2005 through December 2019 at Cedars-Sinai Medical Center, Los Angeles, CA, USA. Results Twenty-four biopsy specimens (0.07%) from patients with a history of thymoma and/or MG were identified. Two patients had repeat biopsies. The most common pathologic diagnosis that could be immunologically attributed to thymic disease was minimal change disease (MCD; 45%), followed by tubulointerstitial nephritis (TIN; 14%), immune complex (IC)-mediated glomerulonephritis (9%), membranous nephropathy (5%) and immunoglobulin A (IgA) nephropathy (5%). Interestingly, 50% of the MCD and 67% of TIN cases concomitantly showed mild IgG-dominant IC deposition in mesangial areas and/or in tubular basement membranes. In the two patients with repeat biopsies, mild mesangial IC deposition developed in the MCD patient but disappeared in the TIN patient with the second biopsy. Pathologic diagnoses unlikely related to the underlying thymic disease were diabetic glomerulosclerosis (9%), acute tubular necrosis (9%) and monoclonal Ig deposition disease (5%). Conclusions Thymic disease is associated with a wide spectrum of kidney diseases affecting the glomerular and tubulointerstitial compartments, often with low-grade IC deposition. These findings suggest a role of immunologic dysregulation in the pathogenesis of thymic disease–associated nephropathy.
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Affiliation(s)
- Akira Takahashi
- Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA
- Department of Nephrology, Hiroshima University Hospital, Hiroshima, Japan
| | - Takamasa Miyauchi
- Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Narihito Tatsumoto
- Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Mercury Y Lin
- Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Jean Hou
- Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Toshiki Doi
- Department of Nephrology, Hiroshima University Hospital, Hiroshima, Japan
| | - Takao Masaki
- Department of Nephrology, Hiroshima University Hospital, Hiroshima, Japan
| | - Michifumi Yamashita
- Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA
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Malignancy-associated membranous nephropathy with PLA2R double-positive for glomeruli and carcinoma. CEN Case Rep 2021; 10:281-286. [PMID: 33393071 DOI: 10.1007/s13730-020-00556-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Accepted: 11/13/2020] [Indexed: 10/22/2022] Open
Abstract
Phospholipase A2 receptor (PLA2R) is the most common primary target antigen of idiopathic membranous nephropathy (MN) although PLA2R antibodies are also reported to be present in malignancy-associated MN. However, a case of PLA2R-positive MN secondary to PLA2R-positive carcinoma has not been reported. A 26-year-old Japanese woman presented with general fatigue, fever, and nonproductive cough. Computed tomography demonstrated a left kidney mass with pathologic diagnosis of Xp11.2 translocation renal cell carcinoma (RCC). After the second time of administration with Sunitinib, the patients exhibited significant proteinuria and hypoalbuminemia. Renal biopsy revealed a diagnosis of diffuse MN secondary to RCC. Immunofluorescence staining showed granular patterns positive for immunoglobulin (Ig) G, IgA, and C3c. PLA2R and IgG1-3 were positive, while IgG4 was negative. For the treatment of severe nephrotic syndrome, we attempted steroid therapy without any clinical improvement. Open nephrectomy was performed and surprisingly, RCC was stained for PLA2R with polarity for the basal side. At outpatient follow-up, 4 months after the operation, urinary protein had still persisted, although serum albumin was slightly increased. We report a case of PLA2R-positive MN secondary to PLA2R-positive RCC.
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35
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Savani M, Woerner K, Bu L, Birkenbach M, Skubitz KM. Pegylated liposomal doxorubicin-induced renal toxicity in retroperitoneal liposarcoma: a case report and literature review. Cancer Chemother Pharmacol 2021; 87:289-294. [PMID: 33388949 DOI: 10.1007/s00280-020-04203-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 11/14/2020] [Indexed: 12/26/2022]
Abstract
Doxorubicin is one of the most active drugs for sarcoma. Pegylated liposomal doxorubicin (PLD) is a unique formulation of doxorubicin, which carries a more favorable toxicity profile in comparison with free doxorubicin. The main toxicity of PLD is hand-foot syndrome. Unlike free doxorubicin, PLD is unlikely to cause alopecia, nausea, myelosuppression, or cardiotoxicity. Additionally, no premedications are required. We describe the case of a 50-year-old man with advanced retroperitoneal liposarcoma who developed irreversible PLD-associated progressive renal failure requiring chronic hemodialysis due to a thrombotic microangiopathy. No cardiotoxicity was noted 84 months after he initiated PLD. This case describes a lesser known toxicity of PLD and may be a toxicity of long-term treatment with other liposomal drugs.
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Affiliation(s)
- Malvi Savani
- Division of Hematology and Oncology, Department of Medicine, University of Arizona Cancer Center, 1515 N. Campbell Ave, Tucson, AZ, USA
| | - Katti Woerner
- Department of Medicine, The University of Minnesota Medical Center, Office Mayo Mail Code 480, 420 Delaware St. SE, Minneapolis, MN, 55455, USA
| | - Lihong Bu
- Laboratory Medicine and Pathology, The University of Minnesota Medical Center, Minneapolis, MN, USA
| | - Mark Birkenbach
- Laboratory Medicine and Pathology, The University of Minnesota Medical Center, Minneapolis, MN, USA
| | - Keith M Skubitz
- Department of Medicine, The University of Minnesota Medical Center, Office Mayo Mail Code 480, 420 Delaware St. SE, Minneapolis, MN, 55455, USA. .,Masonic Cancer Center, Minneapolis, MN, USA.
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36
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Rosner MH, Jhaveri KD, McMahon BA, Perazella MA. Onconephrology: The intersections between the kidney and cancer. CA Cancer J Clin 2021; 71:47-77. [PMID: 32853404 DOI: 10.3322/caac.21636] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 07/17/2020] [Accepted: 07/21/2020] [Indexed: 12/12/2022] Open
Abstract
Onconephrology is a new subspecialty of nephrology that recognizes the important intersections of kidney disease with cancer. This intersection takes many forms and includes drug-induced nephrotoxicity, electrolyte disorders, paraneoplastic glomerulonephritis, and the interactions of chronic kidney disease with cancer. Data clearly demonstrate that, when patients with cancer develop acute or chronic kidney disease, outcomes are inferior, and the promise of curative therapeutic regimens is lessened. This highlights the imperative for collaborative care between oncologists and nephrologists in recognizing and treating kidney disease in patients with cancer. In response to this need, specific training programs in onconephrology as well as dedicated onconephrology clinics have appeared. This comprehensive review covers many of the critical topics in onconephrology, with a focus on acute kidney injury, chronic kidney disease, drug-induced nephrotoxicity, kidney disease in stem cell transplantation, and electrolyte disorders in patients with cancer.
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Affiliation(s)
- Mitchell H Rosner
- Division of Nephrology, University of Virginia School of Medicine, Charlottesville, Virginia
| | - Kenar D Jhaveri
- Division of Kidney Disease and Hypertension, Zucker School of Medicine at Hofstra University, Great Neck, New York
| | - Blaithin A McMahon
- Division of Nephrology. Medical, University of South Carolina, Charleston, South Carolina
| | - Mark A Perazella
- Division of Nephrology, Yale University School of Medicine, New Haven, Connecticut
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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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Porta C, Bamias A, Danesh FR, Dębska-Ślizień A, Gallieni M, Gertz MA, Kielstein JT, Tesarova P, Wong G, Cheung M, Wheeler DC, Winkelmayer WC, Małyszko J. KDIGO Controversies Conference on onco-nephrology: understanding kidney impairment and solid-organ malignancies, and managing kidney cancer. Kidney Int 2020; 98:1108-1119. [PMID: 33126977 DOI: 10.1016/j.kint.2020.06.046] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 05/28/2020] [Accepted: 06/10/2020] [Indexed: 12/12/2022]
Abstract
The association between kidney disease and cancer is multifaceted and complex. Persons with chronic kidney disease (CKD) have an increased incidence of cancer, and both cancer and cancer treatments can cause impaired kidney function. Renal issues in the setting of malignancy can worsen patient outcomes and diminish the adequacy of anticancer treatments. In addition, the oncology treatment landscape is changing rapidly, and data on tolerability of novel therapies in patients with CKD are often lacking. Caring for oncology patients has become more specialized and interdisciplinary, currently requiring collaboration among specialists in nephrology, medical oncology, critical care, clinical pharmacology/pharmacy, and palliative care, in addition to surgeons and urologists. To identify key management issues in nephrology relevant to patients with malignancy, KDIGO (Kidney Disease: Improving Global Outcomes) assembled a global panel of multidisciplinary clinical and scientific expertise for a controversies conference on onco-nephrology in December 2018. This report covers issues related to kidney impairment and solid organ malignancies as well as management and treatment of kidney cancer. Knowledge gaps, areas of controversy, and research priorities are described.
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Affiliation(s)
- Camillo Porta
- Department of Internal Medicine and Therapeutics, University of Pavia and Division of Translational Oncology, IRCCS Istituti Clinici Scientifici Maugeri, Pavia, Italy.
| | - 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
| | - Jolanta Małyszko
- Department of Nephrology, Dialysis, and Internal Medicine, Medical University of Warsaw, Poland.
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39
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Vaughan E, Connolly E, Hui M, Chadban S. Minimal change disease in a patient receiving checkpoint inhibition: Another possible manifestation of kidney autoimmunity? Cancer Rep (Hoboken) 2020; 3:e1250. [PMID: 33085845 DOI: 10.1002/cnr2.1250] [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: 12/14/2019] [Revised: 05/04/2020] [Accepted: 05/05/2020] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Nivolumab has been associated with immune-related adverse events, including nephritis, with acute interstitial nephritis being the most commonly reported renal manifestation. CASE We describe the first case to our knowledge of minimal change disease with nephrotic syndrome associated with the PD-1 checkpoint inhibitor, Nivolumab. Minimal change disease has been reported with other immune checkpoint inhibitors; however, this is the first reported case with Nivolumab. We report development of nephrotic syndrome with acute kidney injury in a 57-year-old man, 1 month after commencement of Nivolumab for metastatic squamous cell carcinoma of the tongue. Minimal change disease was confirmed by renal biopsy. Management with corticosteroids and cessation of Nivolumab failed to improve kidney function or nephrosis. CONCLUSION This case adds to current literature identifying minimal change as an additional complication of immune checkpoint inhibitor-associated acute kidney injury. Given the increasing use of immune checkpoint inhibitors for a range of malignancies, nephrologists, oncologist and generalists should be aware of the spectrum of kidney pathologies associated with their use.
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Affiliation(s)
- Erin Vaughan
- Renal Department, Royal Prince Alfred Hospital, University of Sydney, Sydney, New South Wales, Australia
| | - Elizabeth Connolly
- Medical Oncology Department, Chris O Brien Lifehouse, University of Sydney, Sydney, New South Wales, Australia
| | - Mun Hui
- Medical Oncology Department, Chris O Brien Lifehouse, University of Sydney, Sydney, New South Wales, Australia
| | - Steven Chadban
- Renal Department, Royal Prince Alfred Hospital, University of Sydney, Sydney, New South Wales, Australia
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40
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Ryu H, Kim K, Ryu J, Son HE, Ryu JY, Kim S, Na KY, Chae DW, Chin HJ. Cancer development and mortality differences in patients with glomerulonephritis after renal biopsy: a single center retrospective cohort study. BMC Nephrol 2020; 21:221. [PMID: 32522167 PMCID: PMC7288504 DOI: 10.1186/s12882-020-01882-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Accepted: 06/03/2020] [Indexed: 11/28/2022] Open
Abstract
Background The association between glomerulonephritis (GN) and cancer has been well known for decades. However, studies evaluating long-term de novo cancer development in patients with GN are limited. This study aimed to evaluate the incidence of cancer development among patients with renal biopsy-proven GN during post-biopsy follow-up and the differences in outcomes according to cancer occurrence. Methods We conducted a retrospective cohort study of adult patients who underwent renal biopsy at Seoul National Bundang Hospital between 2003 and 2017. After excluding 778 patients with age < 18 years, cancer diagnosis before or within 6 months after renal biopsy, immunosuppressant therapy before renal biopsy, or pathologic diagnoses other than GN, 822 patients were included in the analysis. Data on baseline clinical characteristics, renal biopsy results, and types and doses of immunosuppressant agents were collected from electronic medical records. The incidence of cancer was censored on the date when the first cancer was diagnosed. We evaluated rates of mortality and end-stage renal disease (ESRD) development during follow-up. Results During a mean follow-up period of 58.9 ± 44.5 months, 45 subjects (5.5%) developed de novo cancer. A comparison of clinical characteristics between subjects who did and did not develop cancer revealed that cancer patients were older and had higher comorbidities and immunosuppressant use. Overall, patients with GN had an elevated standardized incidence ratio (SIR) of 7.16 (95% confidence interval (CI): 5.22–9.61) relative to the age- and sex-matched general population. In particular, the SIR was significantly higher in GNs such as membranous nephropathy (MN), IgA nephropathy, lupus nephritis, and focal segmental glomerulosclerosis. Multivariable Cox proportional hazard model revealed that patients with MN had an increased risk of cancer development, with a hazard ratio of 2.30 [95% CI: 1.06–4.98]. Patients with MN who developed cancer had a significantly higher risk of mortality (hazard ratio: 6.59; 95% CI: 1.22–35.56, P = 0.03) than those without cancer, but there was a non-significant difference in ESRD development. Conclusions: Patients with GN without concurrent cancer, particularly those with MN, have significantly higher risks of cancer development and subsequent mortality and should remain aware of the potential development of malignancy during follow-up.
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Affiliation(s)
- Hyunjin Ryu
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Kipyo Kim
- Department of Internal Medicine, Inha University Hospital, Incheon, Republic of Korea
| | - Jiwon Ryu
- Department of Internal medicine, Cheju Halla General Hospital, Cheju, Republic of Korea
| | - Hyung-Eun Son
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Ji-Young Ryu
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Sejoong Kim
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea.,Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Ki Young Na
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea.,Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Dong Wan Chae
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea.,Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Ho Jun Chin
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea. .,Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea.
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Ahn SY, Choi YJ, Han K, Ko GJ, Kwon YJ, Park YG. Dipstick proteinuria and cancer incidence: a nationwide population-based study. J Nephrol 2020; 33:1067-1077. [PMID: 32335824 DOI: 10.1007/s40620-020-00740-1] [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: 11/10/2019] [Accepted: 04/11/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND The association between proteinuria and malignancy has been frequently reported, but the issue is matter of controversy. Thus, in order to shed light on the association, we evaluated proteinuria as a risk factor for malignancy using the dataset from the Korean National Health Insurance System (NHIS). METHODS The subjects had undergone a medical examination in 2009 (index year) among the entire Korean adult population. From a pool of 10,505,818 participants, we excluded subjects who were younger than 19 years (15,327), had a previous diagnosis of cancer (152,095), had missing data for at least one variable (544,508), and were diagnosed with cancer within 1 year from the index year (79,501). Proteinuria was examined by a single dipstick urinalysis. RESULTS A total of 9,714,387 subjects were included in this study and tracked until December 31, 2017. The participants were divided into three groups; no (95.2%), trace (2.3%), and overt (2.5%) proteinuria. Over the duration of this study, we observed that overt proteinuria was associated with an increased risk of cancer development (all cancers) (adjusted HR 1.154, 95% CI 1.134-1.173) and the long-term risk of cancer incidence increased proportionally according to the changes in proteinuria over a four-year period. LIMITATIONS Our study population consisted of Korean adults. Therefore, the results of this study may not be generalized to other ethnicities. CONCLUSIONS We found a significant relationship between proteinuria and the risk of overall and site-specific cancer development. Further studies are needed to find an explanation of these findings.
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Affiliation(s)
- Shin Young Ahn
- Department of Internal Medicine, Korea University College of Medicine, 148, Gurodong-ro, Guro-gu, Seoul, 08308, Republic of Korea. .,Department of Internal Medicine, Korea University Guro Hospital, Seoul, Republic of Korea.
| | - Yoon Jin Choi
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Kyungdo Han
- Department of Biostatistics, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Gang Jee Ko
- Department of Internal Medicine, Korea University College of Medicine, 148, Gurodong-ro, Guro-gu, Seoul, 08308, Republic of Korea.,Department of Internal Medicine, Korea University Guro Hospital, Seoul, Republic of Korea
| | - Young Joo Kwon
- Department of Internal Medicine, Korea University College of Medicine, 148, Gurodong-ro, Guro-gu, Seoul, 08308, Republic of Korea.,Department of Internal Medicine, Korea University Guro Hospital, Seoul, Republic of Korea
| | - Yong-Gyu Park
- Department of Biostatistics, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea.
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42
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Trujillo H, Alonso M, Praga M. New Ways of Understanding Membranous Nephropathy. Nephron Clin Pract 2020; 144:261-271. [PMID: 32229730 DOI: 10.1159/000506948] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 02/29/2020] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND In the last decade, great advances have been made in the field of membranous nephropathy (MN). The autoimmune nature of the disease has been confirmed with the description of diverse antigens, and few but very important prospective trials regarding treatment alternatives have been published, changing profoundly the way we understand this entity. Nowadays, an individualized therapeutic scheme based on clinical and serologic data appears to be the most appropriate method to manage patients with MN. Although there is still a long way to go, it is expected that future scientific progress will enable a patient-centered medicine based on concept-driven therapies. SUMMARY MN is the most common cause of nephrotic syndrome (NS) in white adults. Approximately one-third of patients achieve spontaneous remission, one-third remain stable, and one-third have an aggressive course with persistent NS and deterioration of renal function. About 80% of patients have circulating autoantibodies to phospholipase A2 receptor 1. Numerous therapies have been described including alkylating agents, rituximab, and calcineurin inhibitors, but new drugs are currently being explored. Here, we review the most important aspects regarding MN with an emphasis on results of the most recent clinical trials and pathophysiologic advances. Key Messages: 1. Evolving pathophysiologic concepts and recently published clinical trials have deeply changed our view of MN. 2. Most patients with MN present autoantibodies against diverse glomerular antigens. 3. Currently, an individual patient-centered management based on clinical and serologic markers is the most adequate approach to treat patients with MN.
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Affiliation(s)
- Hernando Trujillo
- Department of Nephrology, University Hospital "12 de Octubre", Madrid, Spain.,Investigation Institute of University Hospital "12 de Octubre" (imas12), Madrid, Spain
| | - Marina Alonso
- Department of Pathology, University Hospital "12 de Octubre", Madrid, Spain
| | - Manuel Praga
- Department of Nephrology, University Hospital "12 de Octubre", Madrid, Spain, .,Investigation Institute of University Hospital "12 de Octubre" (imas12), Madrid, Spain, .,Department of Medicine, Complutense University, Madrid, Spain,
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43
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Higashihara T, Okada A, Nakamura Y, Saigusa H, Homma S, Matsumura M, Kusano T, Shimizu A, Takano H. Proliferative Glomerulonephritis with Monoclonal Immunoglobulin Deposits without Conspicuous Mesangial Proliferation, Complicated with Squamous Cell Lung Carcinoma. Intern Med 2020; 59:557-562. [PMID: 31611527 PMCID: PMC7056369 DOI: 10.2169/internalmedicine.2993-19] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
We performed a renal biopsy for nephrotic syndrome in a patient with squamous cell lung carcinoma, which can worsen the prognosis. Chemoradiation therapy was effective for the cancer and proteinuria; we thus inferred that the nephrotic syndrome had been closely associated with the carcinoma. A pathological analysis of the kidney showed monoclonality for λ chain, satisfying the diagnostic criteria of proliferative glomerulonephritis with monoclonal immunoglobulin deposits (PGNMID); however, conspicuous mesangial proliferation was not observed. This is the first case of PGNMID complicated with lung carcinoma; furthermore, our findings underscore the importance of examining renal lesions and assessing monoclonality in cancer patients.
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MESH Headings
- Aged
- Antibodies, Monoclonal/blood
- Carcinoma, Non-Small-Cell Lung/complications
- Carcinoma, Non-Small-Cell Lung/diagnosis
- Carcinoma, Non-Small-Cell Lung/physiopathology
- Carcinoma, Non-Small-Cell Lung/radiotherapy
- Carcinoma, Squamous Cell/complications
- Carcinoma, Squamous Cell/diagnosis
- Carcinoma, Squamous Cell/physiopathology
- Carcinoma, Squamous Cell/radiotherapy
- Cell Proliferation/drug effects
- Epithelial Cells/drug effects
- Glomerulonephritis, Membranoproliferative/diagnosis
- Glomerulonephritis, Membranoproliferative/etiology
- Glomerulonephritis, Membranoproliferative/physiopathology
- Humans
- Immunoglobulin G/blood
- Male
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Affiliation(s)
- Takaaki Higashihara
- Department of Nephrology, Tokyo Teishin Hospital, Japan
- Divison of Nephrology and Endocrinology, The University of Tokyo Graduate School of Medicine, Japan
| | - Akira Okada
- Divison of Nephrology and Endocrinology, The University of Tokyo Graduate School of Medicine, Japan
| | - Yasuna Nakamura
- Department of Nephrology, Tokyo Teishin Hospital, Japan
- Divison of Nephrology and Endocrinology, The University of Tokyo Graduate School of Medicine, Japan
| | - Hanako Saigusa
- Department of Nephrology, Tokyo Teishin Hospital, Japan
- Divison of Nephrology and Endocrinology, The University of Tokyo Graduate School of Medicine, Japan
| | - Shiko Homma
- Department of Nephrology, Tokyo Teishin Hospital, Japan
| | | | - Taiko Kusano
- Department of Nephrology, Tokyo Teishin Hospital, Japan
| | - Akira Shimizu
- Department of Analytic Human Pathology, Graduate School of Medicine, Nippon Medical School, Japan
| | - Hideki Takano
- Department of Nephrology, Tokyo Teishin Hospital, Japan
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Ryu J, Ryu H, Kim S, Chin HJ, Na KY, Chae DW, Yoon HJ. Comparison of cancer prevalence between patients with glomerulonephritis and the general population at the time of kidney biopsy. PLoS One 2019; 14:e0224024. [PMID: 31626671 PMCID: PMC6799918 DOI: 10.1371/journal.pone.0224024] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 10/03/2019] [Indexed: 11/19/2022] Open
Abstract
Glomerulonephritis (GN) has been associated with many solid and hematologic malignancies. However, cancer prevalence at the time of GN diagnosis has been rarely examined. We aimed to evaluate the cancer prevalence in patients with GN at the time of kidney biopsy and to compare the results to those of the general population. A total of 1,155 patients who underwent kidney biopsy between 2003 and 2017 were included. We investigated patients diagnosed with cancer within one month of kidney biopsy. The occurrence of cancer was compared with that of the Korean general population using the observed-to-expected rates (O/E ratio). Twenty-nine patients with GN had cancer. The mean age of patients with and without cancer was 49 and 66 years old, respectively. The proportion of male patients with and without cancer was 49.4% and 58.6%, respectively. The glomerular filtration rate was different between the groups (78.1 ± 37.0, 58.0 ± 43.6 ml/min/1.73 m2, p = 0.006), but the urine protein/creatinine ratio was not (3.21 ± 4.01, 5.38 ± 7.47 g/gCr, p = 0.172). Immunoglobulin A nephropathy (IgAN) was the most common GN (37.9%), followed by membranous GN (13.5%), focal segmental glomerulosclerosis (9.7%), minimal change disease (9.2%), amyloidosis (1.2%). Amyloidosis was the most common GN associated with malignancy (20.7%). In patients with amyloidosis, cancer was observed almost 28 times more than expected and these patients showed higher cancer occurrence than patients with other GN (Relative Risk [RR]: 15.73; 95% confidence interval [CI]: 4.82-51.30; p < 0.01). Cancer occurrence was three times greater in GN patients aged > 50 years compared to the general population (O/E ratio: 3.42; 95% CI: 1.37-5.46; p = 0.027). Patients with GN, especially amyloidosis, have higher risk of cancer than the general population at the time of GN diagnosis. Older age (> 50 years) was one of the major determinants of the presence of cancer in GN patients.
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Affiliation(s)
- Jiwon Ryu
- Department of Internal Medicine, Cheju Halla General Hospital, Cheju, Republic of Korea
| | - HyunJin Ryu
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Sejoong Kim
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
- Kidney Research Institute, Medical Research Center, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Ho Jun Chin
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
- Kidney Research Institute, Medical Research Center, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Ki Young Na
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
- Kidney Research Institute, Medical Research Center, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Dong-Wan Chae
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
- Kidney Research Institute, Medical Research Center, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Hyung-Jin Yoon
- Department of Biomedical Engineering, Seoul National University College of Medicine, Seoul, Republic of Korea
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45
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Montague E, Hockenhull K, Lamarca A, Al-Sayed T, Hubner RA. Duodenal neuroendocrine tumour associated with minimal change glomerulonephritis. BMJ Case Rep 2019; 12:12/8/e227987. [PMID: 31473631 DOI: 10.1136/bcr-2018-227987] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Paraneoplastic glomerular disease is an increasingly well-recognised entity, and a wide range of both solid and haematological malignancies have been implicated. The most common glomerular disease associated with cancer is membranous nephropathy. Only a few case reports have described an association between neuroendocrine tumours (NETs) and glomerulonephritis and only one paediatric case in relation to minimal change disease. A 76-year-old woman with a well-differentiated duodenal NET presented with nephrotic syndrome and renal biopsy was suggestive of minimal change glomerulonephritis. Standard therapy with corticosteroids brought little benefit, but a dramatic improvement was seen following initiation of systemic anticancer therapy with lanreotide, a somatostatin analogue. Less than 1 month after initiation of lanreotide, the patient was no longer in a nephrotic state, and after a further 2 months of follow-up had shown no sign of relapse.
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Affiliation(s)
- Emily Montague
- Medical Oncology, Christie NHS Foundation Trust, Manchester, UK
| | | | - Angela Lamarca
- Medical Oncology, Christie NHS Foundation Trust, Manchester, UK
| | - Tamer Al-Sayed
- Acute/Renal Medicine, Christie NHS Foundation Trust, Manchester, UK
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46
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Hanna RM, Arman F, Selamet U, Wallace WD, Barsoum M, Rastogi A, Nobakht N, Shieh P. Secondary membranous nephropathy in a patient with myasthenia gravis without thymic disease, and partial remission induced by adrenocorticotropic hormone therapy. SAGE Open Med Case Rep 2019; 7:2050313X19869764. [PMID: 31448123 PMCID: PMC6689923 DOI: 10.1177/2050313x19869764] [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] [Received: 02/08/2019] [Accepted: 07/23/2019] [Indexed: 11/27/2022] Open
Abstract
Membranous glomerulonephritis is the most common glomerular disease in adults. Its primary form has been characterized with formation of phospholipase A2 receptor antibodies. Malignancy, infections, and autoimmune disorders are the most common causes of secondary membranous glomerulonephritis. We present a case of a 55-year-old African American female who presented with nephrotic range proteinuria and diagnosed with secondary membranous glomerulonephritis based on distinct pathological features on kidney biopsy and absence of serum phospholipase A2 receptor antibodies. She initially underwent extensive workup for malignancies, infections, and common autoimmune disorders which were all negative. Her proteinuria remained resistant to steroid treatment and she was treated with subcutaneous adrenocorticotropic hormone injections. Meanwhile, she was also diagnosed with the anti-muscle specific kinase antibody variant of myasthenia gravis. In literature, there are few case reports of myasthenia gravis as a cause of secondary membranous glomerulonephritis. In our case, the lack of other inciting factors also suggested this association.
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Affiliation(s)
- Ramy M Hanna
- Division of Nephrology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA.,Division of Nephrology, Department of Medicine, School of Medicine, University of California, Irvine, Irvine, CA, USA
| | - Farid Arman
- Division of Nephrology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Umut Selamet
- Division of Nephrology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - William D Wallace
- Department of Pathology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Marina Barsoum
- Division of Nephrology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Anjay Rastogi
- Division of Nephrology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Niloofar Nobakht
- Division of Nephrology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Perry Shieh
- Department of Neurology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
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47
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Orozco Guillén OA, Velazquez Silva RI, Gonzalez BM, Becerra Gamba T, Gutiérrez Marín A, Paredes NR, Cardona Pérez JA, Soto Abraham V, Piccoli GB, Madero M. Collapsing Lesions and Focal Segmental Glomerulosclerosis in Pregnancy: A Report of 3 Cases. Am J Kidney Dis 2019; 74:837-843. [PMID: 31378644 DOI: 10.1053/j.ajkd.2019.04.026] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Accepted: 04/10/2019] [Indexed: 01/18/2023]
Abstract
The relationship between focal segmental glomerulosclerosis (FSGS) and pregnancy is complex and not completely elucidated. Pregnancy in patients with FSGS poses a high risk for complications, possibly due to hemodynamic factors, imbalance between angiogenic and antiangiogenic factors, and hormonal conditioning. Although poor clinical outcomes associated with collapsing FSGS are common outside of pregnancy, the prognosis during pregnancy is not well documented. We report 3 patients who developed collapsing FSGS during pregnancy, 2 of whom had presumed underlying FSGS. Two patients underwent biopsy during pregnancy, and 1, during the puerperium. None of the 3 patients improved spontaneously after delivery, and 1 experienced a rapid deterioration in kidney function and proteinuria after delivery. Aggressive immunosuppressive therapy led to a full response in 1 case (without chronic lesions) and to partial responses in the remaining 2 cases. These cases suggest that collapsing lesions should be considered in patients with FSGS who develop a rapid increase in serum creatinine level or proteinuria during pregnancy and that these lesions may at least partially respond to treatment.
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Affiliation(s)
| | | | - Bernardo Moguel Gonzalez
- Department of Nephrology, National Institute of Cardiology "Ignacio Chávez", Mexico City, Mexico
| | - Tomas Becerra Gamba
- Department of Nephrology, National Institute of Cardiology "Ignacio Chávez", Mexico City, Mexico
| | - Alfredo Gutiérrez Marín
- Departments of Critical Care, National Institute of Perinatology "Isidro Espinoza de los Reyes", Mexico City, Mexico
| | - Norberto Reyes Paredes
- Gynaecology and Obstetrics, National Institute of Perinatology "Isidro Espinoza de los Reyes", Mexico City, Mexico
| | - Jorge Arturo Cardona Pérez
- Neonatologist Critical Care, National Institute of Perinatology "Isidro Espinoza de los Reyes", Mexico City, Mexico
| | - Virgilia Soto Abraham
- Department of Pathology, National Institute of Cardiology "Ignacio Chávez," Mexico City, Mexico
| | - Giorgina Barbara Piccoli
- Department of Clinical and Biological Sciences, University of Torino, Turin, Italy; Néphrologie, Centre Hospitalier Le Mans, Le Mans, France
| | - Magdalena Madero
- Department of Nephrology, National Institute of Cardiology "Ignacio Chávez", Mexico City, Mexico
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48
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Jeyabalan A, Geara AS, Frey NV, Palmer MD, Hogan JJ. Paraneoplastic Focal Segmental Glomerulosclerosis Associated With Acute Lymphocytic Leukemia. Kidney Int Rep 2019; 4:1494-1498. [PMID: 31701062 PMCID: PMC6829180 DOI: 10.1016/j.ekir.2019.06.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 05/07/2019] [Accepted: 06/10/2019] [Indexed: 11/29/2022] Open
Affiliation(s)
- Anushya Jeyabalan
- Department of Medicine, Division of Nephrology, Columbia University Medical Center, New York, New York, USA
| | - Abdallah S Geara
- Renal, Electrolyte and Hypertension Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Noelle V Frey
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Matthew D Palmer
- Division of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jonathan J Hogan
- Renal, Electrolyte and Hypertension Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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49
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Heaf JG, Hansen A, Laier GH. Hypertensive nephropathy is associated with an increased risk of myeloma, skin, and renal cancer. J Clin Hypertens (Greenwich) 2019; 21:786-791. [PMID: 31127691 DOI: 10.1111/jch.13565] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 03/20/2019] [Accepted: 04/02/2019] [Indexed: 11/29/2022]
Abstract
Previous studies suggest an increased cancer risk in hypertension. Patients with hypertensive nephropathy have not been studied. A national registry study was performed to assess the presence and size of this association. Clinical data and cancer diagnoses for all patients with biopsy-proven hypertensive nephropathy between 1985 and 2015 in Denmark were extracted from four national registries and compared with age- and sex-adjusted national cancer rates. The risk of cancer was twice the background population. It was raised for renal cancer (odds ratio 10.4), myeloma (13.2), skin cancer (7.9), and other/unspecified (1.8). No increase in incidence was seen until 1 year before renal biopsy and then rose rapidly. It was again normal 5 years after biopsy. Hypertensive nephropathy is associated with an increased risk of myeloma, skin, renal, and other cancers. Screening of patients with hypertensive nephropathy, in the presence of reduced renal function or significant proteinuria, may be indicated.
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Affiliation(s)
- James Goya Heaf
- Department of Medicine, Zealand University Hospital, Roskilde, Denmark
| | - Alastair Hansen
- Institute of Clinical Medicine, Herlev Hospital, University of Copenhagen, Herlev, Denmark
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50
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West M, Nash MM, Rapi L, Krizova A, Prasad GR. Monitoring Kidney Dysfunction in Kugelberg-Welander Syndrome. AMERICAN JOURNAL OF CASE REPORTS 2019; 20:441-446. [PMID: 30943186 PMCID: PMC6459160 DOI: 10.12659/ajcr.914458] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Kugelberg-Welander (K-W) syndrome is a type of spinal muscular atrophy that causes weakness of the hip-girdle muscles. If severe enough, this weakness can confine patients to a wheelchair in adult life. Proteinuria, a manifestation of kidney dysfunction, is associated with disorders of many organ systems. The evaluation of kidney function in the context of K-W syndrome is challenging. CASE REPORT A 45-year-old man with K-W syndrome first diagnosed at 5 years of age developed peripheral edema and was found to have proteinuria under 1 g/24 h. His past history was significant for hypertension for 7 years. He was managed conservatively initially, but over the next year the serum creatinine concentration increased from 18 to 32 µmol/L (0.2 to 0.36 mg/dL). A percutaneous kidney biopsy was performed in the fetal position due to an inability of the patient to lay prone or supine. Minimal change disease (MCD) was diagnosed. Treatment consisted of dietary salt restriction, ramipril, amiloride, and hydrochlorothiazide, while avoiding corticosteroids. The serum creatinine concentration initially returned to the 18-20 µmol/L (0.2-0.22 mg/dL) range with increased fluid intake, but then slowly declined to 6 µmol/L (0.07 mg/dL) over the next 14 years. Muscle strength remained poor. CONCLUSIONS K-W syndrome, when associated with proteinuria, presents novel diagnostic and therapeutic challenges to the latter. The serum creatinine concentration may be unhelpful in assessing kidney function in K-W syndrome. A conservative management approach to MCD is reasonable to minimize comorbidity.
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Affiliation(s)
- Michael West
- Kidney Transplant Program, St. Michael’s Hospital, Toronto, Canada
| | - Michelle M. Nash
- Kidney Transplant Program, St. Michael’s Hospital, Toronto, Canada
| | - Lindita Rapi
- Kidney Transplant Program, St. Michael’s Hospital, Toronto, Canada
| | - Adriana Krizova
- Department of Anatomical Pathology, St. Michael’s Hospital, Toronto, Canada
| | - G.V. Ramesh Prasad
- Kidney Transplant Program, St. Michael’s Hospital, Toronto, Canada
- Department of Medicine, St. Michael’s Hospital, Toronto, Canada
- Corresponding Author: G.V. Ramesh Prasad, e-mail:
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