Proteinuria, Hypoalbuminemia, and Chronic Lymphocytic Leukemia: An Unusual Trio

Chronic lymphocytic leukemia (CLL) is a chronic, progressive lymphoproliferative disorder characterized by a monoclonal population of functionally incompetent lymphocytes. Renal involvement is rare and poorly described. A 57-year-old male with no prior medical history was diagnosed with CLL and foll...

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Main Authors: William Wung MD, Shubha Ananthakrishnan MD, Brian A. Jonas MD
Format: Article
Language:English
Published: SAGE Publishing 2018-03-01
Series:Journal of Investigative Medicine High Impact Case Reports
Online Access:https://doi.org/10.1177/2324709618764207
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author William Wung MD
Shubha Ananthakrishnan MD
Brian A. Jonas MD
author_facet William Wung MD
Shubha Ananthakrishnan MD
Brian A. Jonas MD
author_sort William Wung MD
collection DOAJ
description Chronic lymphocytic leukemia (CLL) is a chronic, progressive lymphoproliferative disorder characterized by a monoclonal population of functionally incompetent lymphocytes. Renal involvement is rare and poorly described. A 57-year-old male with no prior medical history was diagnosed with CLL and followed with a watch and wait approach. He was referred to our institution several months later due to concern for Richter’s transformation to diffuse large B-cell lymphoma. A positron emission tomography/computed tomography scan showed no evidence of diffuse large B-cell lymphoma; however, the patient was noted to have hypoalbuminemia, nephrotic range proteinuria, an acute left renal vein thrombus, and a right pulmonary embolus. A nephrotic syndrome workup including autoimmunity and infection was unremarkable, and a kidney biopsy was deferred due to concern for renal compromise in the setting of a renal vein thrombus. The patient was treated with 6 cycles of reduced-dose fludarabine, cyclophosphamide, and rituximab for a presumed CLL-associated nephrotic syndrome and anticoagulation for his venous thromboemboli. At 6-month follow-up, the patient achieved complete remission of his CLL with normalization of all cell lines and resolution of his nephrotic range proteinuria. Repeat computed tomography scans showed no evidence of recurrent venous thromboemboli. This case demonstrates a potential role of empiric chemotherapy in cases of CLL-associated nephrotic syndrome given its potentially life-threatening sequelae and response to treatment.
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spelling doaj.art-df6789aa3fb54f098cc38b2676538e492022-12-21T23:56:56ZengSAGE PublishingJournal of Investigative Medicine High Impact Case Reports2324-70962018-03-01610.1177/2324709618764207Proteinuria, Hypoalbuminemia, and Chronic Lymphocytic Leukemia: An Unusual TrioWilliam Wung MD0Shubha Ananthakrishnan MD1Brian A. Jonas MD2University of California, Davis, Sacramento, CA, USAUniversity of California, Davis, Sacramento, CA, USAUniversity of California, Davis, Sacramento, CA, USAChronic lymphocytic leukemia (CLL) is a chronic, progressive lymphoproliferative disorder characterized by a monoclonal population of functionally incompetent lymphocytes. Renal involvement is rare and poorly described. A 57-year-old male with no prior medical history was diagnosed with CLL and followed with a watch and wait approach. He was referred to our institution several months later due to concern for Richter’s transformation to diffuse large B-cell lymphoma. A positron emission tomography/computed tomography scan showed no evidence of diffuse large B-cell lymphoma; however, the patient was noted to have hypoalbuminemia, nephrotic range proteinuria, an acute left renal vein thrombus, and a right pulmonary embolus. A nephrotic syndrome workup including autoimmunity and infection was unremarkable, and a kidney biopsy was deferred due to concern for renal compromise in the setting of a renal vein thrombus. The patient was treated with 6 cycles of reduced-dose fludarabine, cyclophosphamide, and rituximab for a presumed CLL-associated nephrotic syndrome and anticoagulation for his venous thromboemboli. At 6-month follow-up, the patient achieved complete remission of his CLL with normalization of all cell lines and resolution of his nephrotic range proteinuria. Repeat computed tomography scans showed no evidence of recurrent venous thromboemboli. This case demonstrates a potential role of empiric chemotherapy in cases of CLL-associated nephrotic syndrome given its potentially life-threatening sequelae and response to treatment.https://doi.org/10.1177/2324709618764207
spellingShingle William Wung MD
Shubha Ananthakrishnan MD
Brian A. Jonas MD
Proteinuria, Hypoalbuminemia, and Chronic Lymphocytic Leukemia: An Unusual Trio
Journal of Investigative Medicine High Impact Case Reports
title Proteinuria, Hypoalbuminemia, and Chronic Lymphocytic Leukemia: An Unusual Trio
title_full Proteinuria, Hypoalbuminemia, and Chronic Lymphocytic Leukemia: An Unusual Trio
title_fullStr Proteinuria, Hypoalbuminemia, and Chronic Lymphocytic Leukemia: An Unusual Trio
title_full_unstemmed Proteinuria, Hypoalbuminemia, and Chronic Lymphocytic Leukemia: An Unusual Trio
title_short Proteinuria, Hypoalbuminemia, and Chronic Lymphocytic Leukemia: An Unusual Trio
title_sort proteinuria hypoalbuminemia and chronic lymphocytic leukemia an unusual trio
url https://doi.org/10.1177/2324709618764207
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