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Attieh RM, Begum F, Chitty D, Izzedine H, Jhaveri KD. Kidney and Urinary Tract Involvement in Chronic Myelomonocytic Leukemia. Kidney Med 2024; 6:100769. [PMID: 38313809 PMCID: PMC10837097 DOI: 10.1016/j.xkme.2023.100769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2024] Open
Abstract
Chronic myelomonocytic leukemia (CMML) is a hematologic malignancy affecting the bone marrow and resulting in peripheral blood monocytosis. Kidney and urinary tract involvement is common and can present dramatically with life-threatening consequences. Kidney involvement can be the result of direct or indirect mechanisms, including prerenal azotemia, glomerular disease, tubulointerstitial involvement, and renovascular disorders. Urinary tract involvement, electrolyte and acid-base disorders, as well as nephrotoxicity from treatment of the disorder can also occur. Given this multifactorial pathogenesis involving several mechanisms concomitantly, nephrologists must exercise heightened awareness and maintain a low threshold for kidney biopsy. There is a pressing need for future research endeavors to elucidate and target the manifestations of CMML that involve the kidneys with the ultimate goal of augmenting overall prognosis and therapeutic outcomes.
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Affiliation(s)
- Rose Mary Attieh
- Division of Kidney Diseases and Hypertension, Department of Medicine, Glomerular Center at Northwell Health, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Great Neck, New York
| | - Farhana Begum
- Department of Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Manhasset, New York
| | - David Chitty
- Northwell Health Cancer Institute, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Feinstein Institute for Medical Research, Lake Success, New York
| | - Hassan Izzedine
- Department of Nephrology, Peupliers Private Hospital, Ramsay Générale de Santé, Paris, France
| | - Kenar D Jhaveri
- Division of Kidney Diseases and Hypertension, Department of Medicine, Glomerular Center at Northwell Health, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Great Neck, New York
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Kudose S, Cossey LN, Canetta PA, Sekulic M, Vanbeek CA, Huls FB, Gupta I, Bu L, Alexander MP, Cornell LD, Fidler ME, Markowitz GS, Larsen CP, D’Agati VD, Nasr SH, Santoriello D. Clinicopathologic Spectrum of Lysozyme-Associated Nephropathy. Kidney Int Rep 2023; 8:1585-1595. [PMID: 37547521 PMCID: PMC10403676 DOI: 10.1016/j.ekir.2023.05.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 05/08/2023] [Indexed: 08/08/2023] Open
Abstract
Introduction Lysozyme-associated nephropathy (LyN), a rare cause of kidney injury in patients with chronic myelomonocytic leukemia (CMML), has not been well described to date. We report the clinicopathologic spectrum of LyN from a multi-institutional series. Method We identified 37 native kidney biopsies with LyN and retrospectively obtained clinicopathologic data. Results Thirty-seven patients had a median age of 74 years and included 78% males. Their most common presentation was acute kidney injury (AKI) or AKI on chronic kidney disease (CKD) (66%) with median estimated glomerular filtration rate (eGFR) of 21.7 ml/min per 1.73 m2, and proteinuria of 1.7 g. A minority (15%) had partial Fanconi syndrome. Serum lysozyme levels were elevated in all tested. Hematologic disorder (n = 28, 76%) was the most common etiology, including CMML (n = 15), acute myeloid leukemia (n = 5), and myelodysplastic syndrome (MDS) (n = 5). Nonhematologic causes (n = 5, 14%), included metastatic neuroendocrine carcinoma (n = 3), sarcoidosis, and leprosy. Etiology was unknown in 4 (11%). Pathology showed proximal tubulopathy with abundant hypereosinophilic intracytoplasmic inclusions, with characteristic staining pattern by lysozyme immunostain. Mortality was high (8/30). However, among the 22 alive, including 85% treated, 7 had improved kidney function, including 1 who discontinued dialysis and 6 with increase in eGFR >15 ml/min per 1.73 m2 compared with eGFR at the time of biopsy. Conclusion Increased awareness of the full clinicopathologic spectrum of LyN may lead to prompt diagnosis, earlier treatment, and potentially improved outcome of this rare entity.
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Affiliation(s)
- Satoru Kudose
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, New York, USA
| | | | - Pietro A. Canetta
- Department of Medicine, Division of Nephrology, Columbia University Irving Medical Center, New York, New York, USA
| | - Miroslav Sekulic
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, New York, USA
| | | | - Forest B. Huls
- Department of Pathology, Division of Laboratory Medicine, University of Alabama, Birmingham, Alabama, USA
| | - Isha Gupta
- Middletown Medical, Middletown, New York, USA
| | - Lihong Bu
- Mayo Clinic, Rochester, Minnesota, USA
| | | | | | | | - Glen S. Markowitz
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, New York, USA
| | | | - Vivette D. D’Agati
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, New York, USA
| | | | - Dominick Santoriello
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, New York, USA
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