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Chronic Interstitial Nephritis

There was a time when chronic pyelonephritis was quite common and diagnosed quite commonly. Learn how the story started and…

Fred Silva, MD renal pathologist at arkana laboratories
By Dr. Fred Silva
Dr. Suresh Balasubramony Visit
Arkana Visualized

Dr. Suresh Balasubramony Visit

This week we have the honor of hosting University of Tennessee Health Science Center Nephrology Fellow Dr. Suresh Balasubramony!

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By Chassity Jordan
endocarditis associated glomerulonephritis
Teaching Points

Endocarditis

Crescentic glomerulonephritis is most commonly an autoimmune-related glomerulonephritis (e.g. ANCA, anti-GBM disease, lupus nephritis). However, a recent case series (reference…


Amyloid Casts
Teaching Points

Amyloid Casts

The differential diagnosis of acute renal failure in patients with multiple myeloma includes light chain cast nephropathy, amyloidosis, and monoclonal…

Congenital Nephrotic Syndrome of the Finnish type (CNSF)
Pushing Glass

Pushing Glass (July 11, 2017)

A 24 day-old phenotypic female baby presents with nephrotic syndrome. Her medical history is significant for severe combined immunodeficiency syndrome…

By Md Shahrier Amin, MD
Medullary Angiitis in renal biopsy
Teaching Points

Renal Medullary Angiitis

This 56-year-old female presented with acute kidney injury, hematuria, and mild proteinuria. All serologic studies were negative except for antineutrophil…


Fibrillary Glomerulopathy
Teaching Points

Fibrillary Glomerulopathy

Commonly heard after we give the diagnosis: I heard about this in Fellowship This 62-year-old African-American just completed treatment for…

Patrick D. Walker, MD renal pathologist at arkana laboratories
By Patrick D. Walker, MD
Arkanines
Arkanines

Arkanines: Amiya

Meet Amiya! As Dr. Sharma’s wife would say, “Shree belongs to her.” Amiya loves her milk-bone treats and thinks that…

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By Chassity Jordan
warfarin-related nephropathy
Teaching Points

Warfarin

Patients with warfarin-related nephropathy present with an acute rise in serum Cr after becoming supratherapeutic on warfarin therapy (INR>3). The…


Mitochondrial Inclusions
Teaching Points

Mitochondrial Inclusions

The image shows numerous crystalline-type mitochondrial inclusions. Morphologic abnormalities of mitochondria include abnormal size (usually enlargement), branched or concentric cristae,…

light chain deposition disease
Diagnose This!

Diagnose This! (July 3, 2017)

Whats your diagnosis?   …

By L. Nich Cossey, MD
Dr. Boils, Nephropathologist, Arkana Laboratories Doctors
Arkana Physician Spotlight

Arkana Physician Spotlight: Dr. Boils

Dr. Boils joined Arkana Laboratories in February 2011 as a renal pathology fellow and was brought on as an attending…

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By Chassity Jordan

Diabetic Nephropathy
Teaching Points

Diabetic Nephropathy

Protein Insudative Lesions in Diabetic Glomerulopathy Diffuse and nodular glomerulosclerosis is the classic appearance of diabetic glomerulopathy. However, diabetic nephropathy…

Patrick D. Walker, MD renal pathologist at arkana laboratories
By Patrick D. Walker, MD
(CIN) Chronic Interstitial Nephritis
Teaching Points

Chronic Interstitial Nephritis

Chronic interstitial nephritis is a diagnosis made on renal biopsy when interstitial inflammation is present in a background of fibrosis…

(CMV) Cytomegalovirus
Teaching Points

(CMV) Cytomegalovirus

The biopsy from this adult kidney transplant recipient shows features of cytomegalovirus (CMV) infection, including prominent enlargement (cytomegalo-) of tubular…