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ENFD Testing Now Available
Arkana Laboratories is very pleased to offer epidermal nerve fiber density (ENFD) testing as an addition to our growing Neuropathology…
Chronic Cyclosporine Toxicity in Pediatric Nephrotic Syndrome
This biopsy is from a 9-year-old boy who developed pediatric nephrotic syndrome in the first year of life and has…
Membranous Glomerulopathy Subtyping
The diagnosis of membranous glomerulopathy has evolved rapidly in the past 10 years since the identification of PLA2R as the…
Endocarditis-Associated Glomerulonephritis
The patient is a 45-year-old IV drug user who presents with fevers, chills, hematuria, and fatigue. On laboratory testing, he…
ALECT2 Amyloidosis
The patient is a 75-year-old Hispanic male who presents with progressively worsening kidney function and a creatinine of 1.6 mg/dl…
Resolving Membranous Nephropathy
A 40-year-old white male presents with 3 grams/24 hr of proteinuria and swelling around his ankles. He reports that he…
Nucleated Red Blood Cells in Circulation
The patient is a 70-year-old male who presents with a creatinine of 5 mg/dl and a history of primary myelofibrosis.…
HIVICK
The patient is a 24 year-old African American male who has recently been diagnosed with HIV infection. He has not…
Methotrexate-Induced Crystal Nephropathy
The patient is a 50-year-old male who presents with a creatinine of 4.2 mg/dL (baseline 1.0 mg/dL). He has been…
BK Nephritis
The patient is a 45-year-old male with a past medical history significant for ESKD secondary to IgA nephropathy S/P renal…
Type 1 Cryoglobulinemic Glomerulonephritis
The patient is a 75 year-old female who presents with proteinuria, a necrotic skin lesion on her lower extremity, and…
Membranous Lupus Nephritis
The patient is a 19-year-old female who presents with hematuria, nephrotic range proteinuria, and a creatinine of 1.2 mg/dL. She…
Waldenström’s Macroglobulinemia
A 57-year-old white male presents with fatigue, mild proteinuria, and a creatinine of 1.5 mg/dL. He was diagnosed with lymphoplasmacytic…
Light Chain Cast Nephropathy
A 75-year-old female is found to have a creatinine of 4.0 mg/dL on a routine laboratory examination. At the hospital,…
Membranous Nephropathy After Transplantation
The biopsy shows a recurrent membranous nephropathy within a transplant. Figure 1 shows “spikes” and “holes.” Figure 2 shows mild…