Leucine Crystals: Introduction, Identification Features, and Clinical Significance

Leucine crystal in urine microscopy at a magnification of 1600X

Introduction Leucine crystals are rare urinary findings that typically appear in patients with severe liver disease, such as advanced cirrhosis, severe hepatitis, or metabolic disorders like maple syrup urine disease. They form in acidic urine and indicate a disturbance in amino acid metabolism. Identification Features …

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Urate Crystals: Introduction, Identification Features, and Clinical Significance

Uriate crystals in urinary sediment microscopic examination at a magnification of 1600X

Introduction Urate crystals, also referred to as uric acid crystals, are metabolic by-products of purine metabolism found in urine. They are frequently observed during urine microscopy, especially in patients with altered pH, dehydration, or metabolic disorders. Their presence can be physiological in concentrated urine or …

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Urine Microscopy: Introduction, Principle, Test Requirements, Procedure, Findings, Clinical Significance, and Keynotes

Epithelial Cells in Urine Microscopy at 1600X Magnification

Introduction Urine microscopy is a laboratory diagnostic method used to examine the microscopic components of urine sediment. It helps detect cells, crystals, casts, microorganisms, and other formed elements. This test is critical in the diagnosis of urinary tract infections (UTIs), renal diseases, systemic disorders, and …

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Urine Crystals: Introduction, Identification Features, and Clinical Significance

Urate Crystals or Uric acid Crystals in Urine Microscopy

Introductions of Common Urinary Crystals Urinary crystals in urine during the routine examination can appear in the following steps- First request the patient to bring a urine sample. After the arrival of the sample/specimen in the clinical laboratory, take nearly 5 ml of urine. Centrifuge it …

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