25 results
Urine Microscopy and Casts - Image Atlas Key

- Squamous Epithelial Casts
- Transitional Epithelial Cells
- Renal Tubular
Urine Microscopy ... and Casts - Image ... Atlas Key - ... Cell (RTEC) - Hyaline ... #Casts #Atlas #
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... • Red cell casts ... • White cell casts ... • Hyaline casts ... #nephrology #casts
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... CastsHyaline ... colored compounds (e.g ... or non-infectious ... #nephrology #interpretation
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... breakdown of cellular casts ... heme-granular casts ... Urinary tract infections ... 34t5DgJ #Urinary #Casts
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
require urgent nephrology ... PROBLEM ~80% of AKI cases ... are caused by prerenal ... Assess UA w/ microscopy ... for WBCs, RBCs, casts
Urine Microscopy Instructions
1) Spin fresh urine sample (10-15mL) in a centrifuge for 3-5 minutes - Don't
Urine Microscopy ... slide with a cover ... Scan the whole slide ... under lower power (casts ... #Instructions #nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
deposits - Post-infectious ... hematuria: - RBC casts ... microscopic and ... Hematuria: • Infection ... #urology #nephrology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
sediment - WBC/RBC casts ... polyangiitis (GPA) / microscopic ... HSP • Post-infectious ... Protein deposition (eg ... #Proteinuria #Nephrology
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Epithelial cell casts ... Obstruction • Cast ... polyangiitis /microscopic ... allopurinol, PPI) • Infections ... #KidneyInjury #Nephrology
Causes of Dysuria - Differential Diagnosis Algorithm
Pyuria - Leukocytes on Dipstick/Microscopy
 - Bacteriuria & Hematuria -
Leukocytes on Dipstick/Microscopy ... Urinary Tract Infection ... Pyelonephritis - WBC Casts ... Urinary Tract Infection ... Non-Gonococcal (e.g