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Diagnose This!

Diagnose This (September 26, 2022)

This is the biopsy from a 73-year-old with AKI and normal bone marrow biopsy done for investigation of anemia and…

NPHP1-related nephronophthisis
Diagnose This!

Diagnose This (September 19, 2022)

In a 26-year-old obese Black female with no significant PMH and elevated creatinine, what is your top diagnosis?    …

Diagnose This!

Diagnose This (August 29, 2022)

In a patient with progressively rising serum creatinine and a history of CABG 2 months prior, what is your diagnosis?…


Thrombotic microangiopathy
Diagnose This!

Diagnose This (August 22, 2022)

This is a 3 month post-transplant kidney biopsy from a patient with ESRD due to polycystic kidney disease. She recently…

H&E stain showing numerous hematoxylin bodies
Diagnose This!

Diagnose This (August 15, 2022)

What is this finding and what is the diagnosis?     This is an H&E stain showing numerous hematoxylin bodies.…

chronic antibody mediated rejection, peritubular capillary basement membrane multilayering
Diagnose This!

Diagnose This (August 8, 2022)

In a renal allograft, what is your diagnosis given these ultrastructural findings?   The EM picture shows glomerular basement membrane…


class IV lupus nephritis on IF stain
Diagnose This!

Diagnose This (August 2, 2022)

These are the C1q and C3 stains of the biopsy of a 13-year-old female with hematuria and proteinuria. Given these…

toluidine blue section showing fabry disease
Diagnose This!

Diagnose This (July 25, 2022)

What is your diagnosis?   This is a toluidine blue section showing numerous densely stained lipid inclusions in podocytes, some…

Membranous Nephropathy
Diagnose This!

Diagnose This (July 4, 2022)

This is the C4d immunofluorescence from a 5 year post-transplant biopsy of an AA female who had ESRD due to…


Endocapillary Hypercellularity B
Diagnose This!

Daignose This (June 27, 2022)

In a patient who is an IV drug user and IF showing C3 only staining, what is your diagnosis?  …

Cholesterol Arterial Emboli
Diagnose This!

Diagnose This (April 25, 2022)

This is an IgG IF viewed under both fluorescent and polarized light from a patient with AKI following endovascular procedure.…

Diagnose This!

Diagnose This (April 18, 2022)

This 32-year-old renal transplant recipient had AKI and pneumonia. A recent biopsy had shown borderline changes for TCMR and the…


Diagnose This!

Diagnose This (April 4, 2022)

This is the biopsy of a 62yo Hispanic female with hematuria and proteinuria. What is this stain and what is…

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…

Alport's Syndrome
Diagnose This!

Diagnose This (March 21, 2022)

In a 23 year-old male with proteinuria, hematuria and CKD, what is your diagnosis? …