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(135 Results)
Cholesterol Arterial Emboli
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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
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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
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Diagnose This (March 21, 2022)

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

collapsing glomerulopathy
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Diagnose This (March 14, 2022)

This is the biopsy from a 41yo Middle Eastern female who received a renal transplant a few years prior and…


polymer emboli, gray and basophilic amorphous material, glomerular capillaries
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Diagnose This (March 7, 2022)

In a renal transplant recipient, what is your diagnosis? …

fibrinoid necrosis and crescent formation
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Diagnose This (February 21, 2022)

In a patient with AKI and hematuria, what is your diagnosis? …

Diagnose This!

Diagnose This (February 14, 2022)

In a 25yo with sepsis post-cholecystectomy and C. diff colitis, what is your diagnosis? …


Focal and Segmental Glomerulosclerosis
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Diagnose This (February 7, 2022)

In a patient with subnephrotic proteinuria, negative immunofluorescence, and segmental foot process effacement, what is your diagnosis? …

anti-brush border antibody disease
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Diagnose This (January 31, 2022)

This is the IgG immunofluorescence from the biopsy of a 75-year-old female with AKI requiring dialysis. What is your diagnosis?…

ANCA-associated vasculitis
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Diagnose This (January 24, 2022)

In a patient with RPGN and this morphological finding on biopsy, what is the most likely diagnosis? …


collapsing glomerulopathy in APOL1
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Diagnose This (January 17, 2022)

This is the albumin immunofluorescence stain from a biopsy from a patient with recent COVID pneumonia and nephrotic syndrome. What…

thrombotic microangiopathy
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Diagnose This (January 10, 2022)

This is the H&E from the frozen tissue submitted for IF examined under fluorescent light. In a patient with anemia,…

Diagnose This!

Diagnose This (January 3, 2022)

In a renal allograft biopsy with this finding, what is your diagnosis? …