Myeloma cast nephropathy
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|Myeloma cast nephropathy|
|Micrograph of myeloma cast nephropathy. Myelomatous casts are PAS negative (left of image). Hyaline casts are PAS positive (right of image). PAS stain. Kidney biopsy.|
|Classification and external resources|
Myeloma cast nephropathy, also cast nephropathy, is the formation of plugs (urinary casts) in the renal tubules from free immunoglobulin light chains leading to renal failure in the context of multiple myeloma.