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Anti-GBM
A 19-year-old Caucasian male patient presented with acute renal failure. Serum creatinine was 4.9 mg/dL and he had hematuria and…
Oxalate Nephropathy
H&E stained section (Fig. 1) demonstrating acute tubular injury with frequent translucent intratubular crystalline deposits on a background of severe…
Myoglobin Casts
A 54-year-old man with a history of hypertension and hypercholesterolemia presented with complaints of generalized muscle stiffness and cola-colored urine.…
Pushing Glass (April 18, 2017)
A 45 year-old man received renal transplantation for HCV-associated end stage renal disease. He is currently treated with Sofobuvir, Tacrolimus…
Diagnose This! (April 17, 2017)
What is this stain and what does this finding mean in a transplant patient (Hint: Its not a vascular marker).…
Necrotizing Vasculitis
Necrotizing vasculitis as shown using fluorescence with DAPI-FITC-Texas Red excitation on an H&E stained section. Subtle and not so subtle…
Cryoglobulinemic Glomerulonephritis
Figure 1: PAS-stained section showing a glomerulus with a membranoproliferative pattern of glomerular injury characterized by mesangial matrix expansion and…
Light Chain Cast Nephropathy
Atypical fractured cast that is pale on PAS stain is suggestive of light chain cast nephropathy (LCCN). Immunofluorescence examination for…
Pushing Glass (March 22, 2017)
A 71-year-old woman with a history of multiple myeloma, hypertension and vitamin D deficiency presented with decreased renal function. Investigations…
Pushing Glass (March 14, 2017)
The patient is a 61-year-old female who presents with hematuria and a creatinine of 6.23 mg/dL (baseline creatinine of 1.17…
Diagnose This! (February 13, 2017)
Please pick the best answer. These images show characteristic findings of which of the following diseases: A) IgG4-Related Disease B)…