31 results
Urine Microscopy and Casts - Image Atlas Key

- Squamous Epithelial Casts
- Transitional Epithelial Cells
- Renal Tubular
Urine Microscopy ... and Casts - Image ... Transitional Epithelial Cells ... #Casts #Atlas # ... Key #Clinical #Sediment
Granular & “Muddy Brown” Casts on Urine Microscopy
A. Finely granular cast B. slightly coarser granular cast
“Muddy Brown” Casts ... on Urine Microscopy ... of mb granular casts ... Granular #MuddyBrown #Casts ... Clinical #Nephrology #Sediment
Rouleaux in urine sediment - Urine Microscopy
Rouleaux in urine sediment. As the finding in the blood
Rouleaux in urine sediment ... - Urine Microscopy ... finding in the blood smears ... , it is caused by ... #Microscopy #clinical
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... Algorithm Red blood cells ... on urine microscopy ... RBCs and/or RBC casts ... with polyangiitis/microscopic
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
• Red cell casts ... • White cell casts ... infection • Hyaline casts ... disease • Granular casts ... diagnosis #nephrology #casts
Plasmodium Falciparum Blood Smear.
Key features suggesting Plasmodium falciparum:
- extreme parasitemia
- normocytic RBCs (vivax, ovale prefer big
Falciparum Blood Smear ... P. falciparum causes ... human malaria cases ... rare in blood smears ... peripheral #clinical #microscopy
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
HPF spun urine sediment ... Microscopic ... examination of urine sediment ... by microscopy ( ... hematuria: - RBC casts
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... - Active urine sediment ... - WBC/RBC casts ... polyangiitis (GPA) / microscopic ... - Bland urine sediment
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
sterile pyuria, WBC casts ... eosinophiluria, microscopic ... proteinuria, granular casts ... /RTE; blend sediment
Urine Microscopy Instructions
1) Spin fresh urine sample (10-15mL) in a centrifuge for 3-5 minutes - Don't
Urine Microscopy ... the remaining sediment ... one drop on a microscope ... under lower power (casts ... iMedEducation #Urine #Microscopy