
Urinary Casts in Renal Failure: A Case of Massive Cylindruria
Microscopy of urine sediment: massive cylindruria in a 14-year-old patient with chronic renal failure. Morphology and diagnostic significance of casts in renal insufficiency.
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Microscopy of urine sediment: massive cylindruria in a 14-year-old patient with chronic renal failure. Morphology and diagnostic significance of casts in renal insufficiency.

Peculiarities of urine sediment microscopy: detection of calcium oxalate crystals in general clinical analysis and adenocarcinoma cells in cytology.

Varieties of crystals in urine sediment during microscopy: oxalates, urates, phosphates, cystine, cholesterol, and drug crystals in urinalysis.

Urine sediment microscopy reveals a mucus thread encrusted with calcium oxalate dihydrate crystals. Learn about crystalluria features at acidic urine pH.

Urine sediment microscopy at 40x magnification: a quadrinucleated transitional epithelial cell against a background of altered erythrocytes. Cytomorphology features.

Characteristic hexagonal cystine crystals in acidic urine sediment: microscopic features, formation mechanism, and clinical significance in cystinuria.

The importance of the preanalytical stage in general urinalysis: rules for biomaterial collection, transportation conditions to the laboratory, and common errors.

Microscopy of urine sediment when taking sulfonamides. Characteristic fan-shaped and sheaf-like crystal morphology for clinical laboratory diagnostics.

Microscopy of urine sediment in a child with pneumonia: needle-shaped ampicillin crystals, causes of drug-induced crystalluria, and identification.

The history of urine analysis: from Sumerian tablets and ancient uroscopy to visual assessment of biomaterial in a flask and the establishment of laboratory medicine.

Microscopy of urine sediment: identifying aster pollen as an incidental sample artifact. Morphological features of pollen grains at 400x magnification.

Morphology of colorless, asymmetrical Enterobius vermicularis eggs during urine sediment microscopy. Laboratory diagnosis of enterobiasis.