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(1352 Results)Class III Focal Lupus Nephritis
This 9-year-old female was recently evaluated for lymphoid malignancy due to weight loss and intermittent fevers. Following a negative workup…
The Story of Dense Deposit Disease
In our 6th episode of TBT, Dr. Silva explains the origins of Dense Deposit Disease.
Eosinophil-Rich Inflammation in Diabetic Glomerulopathy
These photomicrographs are from a patient with diabetic nephropathy as evidenced by the Kimmelstiel-Wilson nodules in the glomerulus present on…
Intimal Arteritis
The image in Figure 1 shows mild intimal arteritis in an allograft biopsy from a patient who had undergone a…
Arkana Journal Club (June 7, 2017)
Head over to Twitter to catch Dr. Cossey (@TheGoodMD) live tweet the Arkana Journal Club right now! Here are the…
FSGS Tip Lesion
This biopsy is from a 35-year-old male with no significant medical history, who presents with sudden onset nephrotic syndrome. At…
Arkana Physician Spotlight: Dr. Cossey
Dr. Cossey joined us in 2013 after completing his fellowship training in renal pathology at Arkana Laboratories. He received his…
Chronic Active Tubulointerstitial Nephritis
39 y/o male presents with acute kidney injury, creatinine 3.5 mg/dl. Bland urinalysis, serologic studies negative. Immunofluorescence study of the…
Fabry EM
Electron photomicrograph of a glomerular podocyte showing the characteristic electron dense laminated inclusions of Fabry disease. Fabry is a lysosomal…
Congo Red Stain
Importance of the congo red stain The ability to detect amyloid deposits in human tissue is the critical first step…
Chef Boyardaniel
Chef Boyardaniel is perfecting his cookie recipe* because at this year’s River Cities Dragon Boat Festival we are having a…
Pushing Glass (May 30, 2017)
A 62-year-old Asian male with a past medical history significant for ESRD secondary to hypertension S/P renal transplant (9 months…
Diffuse Mesangial Hypercellularity
This biopsy is from a previously healthy 3 year old female, who presented with sudden onset nephrotic syndrome, hypertension and…
Light Chain Cast Nephropathy
Immunofluorescence staining with kappa light chain and lambda light chain antibodies shows negative kappa in casts that are lambda positive…