This discussion focuses on a review article of crystals seen in renal biopsies. Crystalline nephropathies are often associated with systemic conditions. We discuss calcium-based crystals, dysproteinemia-related (such as light chain), crystal storing histiocytosis, crystalglobulin/cryocrystalglobulin, metabolic disorders, and drug-associated crystals. We review the appearance of the crystals, their etiology, and the associated prognosis for the patient. This is an excellent synopsis of the most common renal crystals for both trainees and practicing renal pathologists.

Read the Paper: A diagnostician's field guide to crystalline nephropathies

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