This is an electron micrograph (above) of a glomerulus of a 35-year old patient with hematuria on urine dipstick. The rest of the urinalysis is normal. Renal function is normal. What is the diagnosis?
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The correct answer to the image quiz of 11/12/11 is A.
The image shows which one of the following?
A) Nodular glomerular disease of diabetic nephropathy
B) Focal segmental glomerulosclerosis
C) IgA nephropathy
D) Membranoproliferative glomerulonephritis
E) Membranous glomerulonephropathy
Explanation
Drs' Franco Ferrario and Maria Pia Rastaldi have a nice description online here. The glomerulus shows acellular, homogeneous, eosinophilic, globular nodules in the mesangial or inter-capillary region of a glomerular tuft with capillary displaced to the periphery.
The following 4 figures summarize key teaching points.
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| Fig.1 |
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| Fig.2 |
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| Fig.3 |
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| Fig.4 |





