Lab test interpretation
Ammonium Urate and Calcium Oxalate Crystals in Urine
Urine sediment microscopy: identification of ammonium urate crystals ("thorn apple"), calcium oxalates, and associated bacteriuria.
Tag
Urinalysis
Lab test interpretation
Active Leukocytes in Urine: Sternheimer-Malbin Cells
Supravital staining method by Pytel and Shapiro for detecting active leukocytes (Sternheimer-Malbin cells) in urine sediment in pyelonephritis.
Lab test interpretation
Uric Acid Crystals in Urine Sediment: Microscopy
Morphological variants of uric acid crystals in urine sediment microscopy: rosettes, plates, and polymorphic druses at 400x magnification.
Lab test interpretation
Magnesium Phosphate Crystals in Urine Sediment
Morphology of neutral magnesium phosphate crystals in urine sediment: microscopic appearance, differential diagnosis, and clinical significance.
Lab test interpretation
Macroscopic Hematuria and Severe Proteinuria in Urinalysis
A case of severe macroscopic hematuria and massive proteinuria (protein 7.38 g/L): visual assessment of a urine sample before and after centrifugation.
Lab test interpretation
Calcium Phosphate Crystals in Urine Sediment: Microscopy
Morphology of neutral calcium phosphate crystals in urine sediment: prisms and rosettes under light microscopy at 400x magnification.
Lab test interpretation
History of Urine Microscopy: First Description of Crystals
Explore the history of urine sediment microscopy: how Nicolas-Claude Fabri de Peiresc first examined crystals in urine under a microscope in 1630. Materials on urinalysis.
Lab test interpretation
Calcium Oxalate Crystals in Urine Sediment at pH 5.5
Morphology of crystals in urine sediment with an acidic reaction (pH 5.5): differential diagnosis of calcium oxalate monohydrate and dihydrate during microscopy.
Lab test interpretation
Acanthocytes in Urine: Marker of Glomerular Hematuria
Morphology and diagnostic significance of acanthocytes in urine. Presence of >5% acanthocytes as a marker of glomerular hematuria during sediment microscopy.
Lab test interpretation
Multinucleated Transitional Epithelium in Urine Sediment
Microscopy of urine sediment: a trinucleated transitional epithelial cell (urothelium) with bacteriuria. Morphological features at 400x magnification.
Lab test interpretation
Calcium Phosphate Crystals in Urine Sediment Microscopy
Morphology of neutral calcium phosphate crystals in urine sediment. Specifics of microscopy during clinical urine examination. Learn more about crystalluria.
Lab test interpretation
Uric Acid Crystals in Urine Sediment: Microscopy
Microscopy features of urine sediment in crystalluria: morphological forms of uric acid crystals, their aggregates, and laboratory identification.