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Fibronectin Glomerulopathy Without Typical Renal Biopsy Features in a 4-Year-Old Girl with Incidentally Discovered Proteinuria and a G417V Gene Mutation.
Int J Mol Sci
January 2025
Department of Pathology, Albert Szent-Györgyi Medical Center, Faculty of Medicine, University of Szeged, 6720 Szeged, Hungary.
Fibronectin glomerulopathy (FG) is caused by fibronectin 1 () gene mutations. A renal biopsy was performed on a 4-year-old girl with incidentally discovered proteinuria (150 mg/dL); her family history of renal disease was negative. Markedly enlarged glomeruli (mean glomerular diameter: 196 μm; age-matched controls: 140 μm), α-SMA-positive and Ki-67-positive mesangial cell proliferation (glomerular proliferation index 1.
View Article and Find Full Text PDFRapidly progressive glomerulonephritis as an unusual type of renal involvement in sarcoidosis: a case report.
J Med Case Rep
January 2025
Transplant-Nephrology Department, Transplantation Center, University Hospital Martin, Kollarova 2, 03601, Martin, Slovakia.
Introduction: Sarcoidosis is a multisystem inflammatory disease of unknown etiology characterized by the formation of noncaseating epithelioid granulomas. Clinically significant renal involvement is rare in sarcoidosis. It most commonly manifests as chronic tubulointerstitial nephritis and nephrocalcinosis with nephrolithiasis.
View Article and Find Full Text PDF[Bacterial biofilm formation of peritoneal dialysis catheter in patients with peritonitis-associated catheter removal].
Beijing Da Xue Xue Bao Yi Xue Ban
February 2025
Department of Nephrology, Peking University People's Hospital, Beijing 100044, China.
Objective: Peritoneal dialysis(PD)-associated peritonitis is a common and major complication of PD and the most common cause of technical failure of PD. The presence of bacterial biofilm may be an important factor leading to refractory or recurrence of peritonitis. To investigate the formation and characteristics of bacterial biofilms on PD catheters after peritonitis-associated catheter removal.
View Article and Find Full Text PDFPathogenesis of Focal Segmental Glomerulosclerosis and Related Disorders.
Annu Rev Pathol
January 2025
Department of Internal Medicine, University of Texas Medical Branch, Galveston, Texas, USA; email:
Focal segmental glomerulosclerosis (FSGS) is the morphologic manifestation of a spectrum of kidney diseases that primarily impact podocytes, cells that create the filtration barrier of the glomerulus. As its name implies, only parts of the kidney and glomeruli are affected, and only a portion of the affected glomerulus may be sclerosed. Although the diagnosis is based primarily on microscopic features, patient stratification relies on clinical data such as proteinuria and etiological criteria.
View Article and Find Full Text PDFDe novo proliferative glomerulonephritis with monoclonal IgG deposits in an adolescent kidney transplant recipient.
Pediatr Nephrol
January 2025
Department of Pediatrics, University of California, San Diego, 3020 Children's Way MC 5173, San Diego, CA, 92123, USA.
Proliferative Glomerulonephritis with Monoclonal IgG Deposits (PGNMID) is a glomerular disease characterized by membranoproliferative and mesangioproliferative lesions, with granular capillary wall monoclonal IgG positivity and immunoglobulin light chain restriction. Most commonly a disease of older adults, we present the case of an 18-year-old patient who developed de novo PGNMID in a kidney allograft three years after kidney transplantation. There was minimal proteinuria and no serum paraproteinemia was detected, so the patient was managed conservatively.
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