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Anticoagulant Nephropathy and Hemosiderosis
Diagnose This!

Diagnose This (March 28, 2022)

This is the biopsy of a patient with a mechanical heart valve and acute kidney injury, requiring hemodialysis. What is…

Membranous Nephropathy, Lipoic Acid in NELL1-Associated Membranous Nephropathy, SARS-CoV-2, biopsy, TGFBR3, crystalline nephropathies, Renal Intratubular Casts, viral-like inclusions, Covid-19, Anti-Brush Border Antibody Disease, MGMID, renal pathology, kidney research
Podcast

Glomerular Disease in Temporal Association to SARS-CoV-2 Vaccination – A Series of 29 Cases

The association of rare autoimmune responses to vaccination is well known. This study investigates the effect of COVID-19 vaccination on…

By Dr. Rebecca May
twitter poll answer for april 9
Twitter Poll

Twitter Poll (April 9, 2020)

ANSWER: C In one of the largest cases series by Ambruz et al., IgA nephropathy (IgAN) was the most common…

Vanessa Moreno, MD
By Vanessa Moreno, MD

Disease Week

Disease Week: Bacterial infection-associated glomerulonephritis and endocarditis-associated glomerulonephritis

Monday Renal disease related to infective endocarditis was first reported over 100 years ago. However, the initial literature describing nephritis…

IgA Nephropathy
Art of Medicine

Art of Medicine: IgA Nephropathy

The above painting shows glomeruli with mesangial hypercellularity, endocapillary hypercellularity, and crescent formation. These findings can be seen in IgA…

IgA nephropathy, Twitter Poll, Arkana Laboratories, kidney pathology, renal disease
Twitter Poll

Twitter Poll (May 22, 2019)

ANSWER: C By the Oxford Classification of IgA nephropathy, the findings present are classified as “M1 E1 S1 T1 C0”…

By

IgA, Crescentic IgA Nephropathy, chronic kidney disease, Arkana Laboratories
Teaching Points

Crescentic IgA nephropathy

The patient is a 17-year-old white female who presents with 2.85 grams/24 hr proteinuria, microscopic hematuria, and a creatinine of…

Inflammatory Bowel Disease, IBD, renal disease, chronic kidney disease, renal biopsy, Arkana Laboratories
Disease Week

Disease Week: Renal Manifestations of Inflammatory Bowel Disease (IBD)

Monday Extraintestinal manifestations of inflammatory bowel disease are common and involve nearly every organ system. Renal and urinary involvement has…

IgAN & Inflammatory Bowel Disease, Igan, arkana laboratories, renal pathology, nephropathology, chronic kidney disease
Twitter Poll

Twitter Poll (April 3, 2019)

ANSWER: C IgAN is the most frequent diagnosis seen in kidney biopsies from patients with renal failure and history of…

Vanessa Moreno, MD
By Vanessa Moreno, MD

crescentic IgA nephropathy, KDIGO Connections, arkana laboratories, renal pathology, kidney pathology, nephropathology
KDIGO Connections

KDIGO Connections: Crescentic IgA Nephropathy

How do you treat crescentic IgA nephropathy?    

IgA nephropathy in renal biopsy from Arkana Laboratories
Teaching Points

IgA nephropathy with something extra…

The biopsy is from a 61-year-old man with a history of intermittent microscopic hematuria for many years who presents with…


DNAJB9 Uncovers Dual Pathology
Teaching Points

DNAJB9 helps uncover dual pathology…

This case illustrates the utility of immunohistochemical staining for DNAJB9, a recently described biomarker for fibrillary glomerulopathy (see reference). The…

IgA Nephropathy Oxford classification and scoring
Teaching Points

IgA Nephropathy Oxford Scoring

TheIgA nephropathy Oxford Classification was first published in 2009 by a working group of nephrologists and renal pathologists representing the…

IgA, IgA Differential, IgA nephropathy
Teaching Points

IgA Differential

IgA nephropathy is defined by IgA dominant or co-dominant deposits in glomeruli in the absence of systemic disease. Other diseases…