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Type 1 Cryoglobulinemic Glomerulonephritis, arkana laboratories
Teaching Points

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…

Waldenström's Macroglobulinemia, arkana laboratories, teaching points for renal pathology, kidney biopsy
Teaching Points

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…

Waldenstrom Macroglobulinemia
Teaching Points

Waldenstrom Macroglobulinemia

In this image of a combined silver-trichrome stain, the arrow points to the abnormal material within the arteriole lumen. This…