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Dr. Hobby Visits Arkana Laboratories
Arkana Visualized

Dr. Hobby Visit

We’re so excited to have University of Arkansas for Medical Sciences Nephrology Fellow Dr. Gerren Hobby join us for the…

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By Chassity Jordan
IgA Nephropathy
Teaching Points

IgA Nephropathy

Figure 1 shows a renal biopsy from a 29-year-old man with no significant past medical history, who was found to…

HIV-associated nephropathy (HIVAN)
Pushing Glass

Pushing Glass (May 2, 2017)

A 45 year-old African American man presented with pneumonia, colitis and acute kidney injury (serum creatinine- 6 mg/dL). What is…

By Dao-Fu Dai, MD

Postpartum Hemolytic Uremic Syndrome (HUS)
Teaching Points

Postpartum HUS

Postpartum hemolytic uremic syndrome This 22-year-old Caucasian female presented with acute renal failure and proteinuria five days after delivering her…

Necrotizing Vasculitis
Teaching Points

Necrotizing Vasculitis

Necrotizing Vasculitis as seen with Silver Methenamine Massons Trichrome (SMMT) stain on a renal biopsy. The immunofluorescence panel was negative…

Patrick D. Walker, MD renal pathologist at arkana laboratories
By Patrick D. Walker, MD
Last Day of Lab Week 2017
Arkana Visualized

Lab Week

Today is the last day of Lab Week! With celebration, often comes treats. Our lab team decided to hit the…

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By Chassity Jordan

Podcast

History of Renal Biopsy

Find out how a mistake brought us the practice of renal biopsies in this episode of Throwback Thursday with Dr.…

Fred Silva, MD renal pathologist at arkana laboratories
By Dr. Fred Silva
Proliferative Glomerulonephritis with Monoclonal IgG Deposits
Teaching Points

Proliferative Glomerulonephritis with Monoclonal IgG Deposits

The glomerulus pictured for light microscopy shows membranoproliferative changes with mesangial hypercellularity, GBM duplication, and endocapillary proliferation. There is light…

Anti-GBM (Anti-Glomerular Basement Membrane)
Teaching Points

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
Teaching Points

Oxalate Nephropathy

H&E stained section (Fig. 1) demonstrating acute tubular injury with frequent translucent intratubular crystalline deposits on a background of severe…

Lipoprotein Glomerulopathy
Diagnose This!

Diagnose This! (April 24, 2017)

What is the finding shown and what disease does this likely represent?   …

By L. Nich Cossey, MD
Arkanines: Truman, Arkana Laboratories
Arkanines

Arkanines: Truman

Meet Truman! He belongs to our director, Dr. Walker (and our real boss, Mrs. Gail). Truman enjoys going to daycare,…

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By Chassity Jordan

acute tubular injury with numerous pigmented myoglobin casts
Teaching Points

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.…

Podcast

APOL1

For our inaugural episode, Dr. Kenan presents an extended discussion of APOL1 gene risk variants. Article discussed: www.ncbi.nlm.nih.gov/pubmed/21997394

Dr. Daniel Kenan renal pathologist at Arkana laboratories
By Dr. Daniel Kenan
calcineurin inhibitor toxicity
Pushing Glass

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…

By Dao-Fu Dai, MD