829 results
Urine Microscopy and Casts - Image Atlas Key

- Squamous Epithelial Casts
- Transitional Epithelial Cells
- Renal Tubular
Urine Microscopy ... and Casts - Image ... Cast - Waxy Cast ... JoseTesser) #Urine #Microscopy ... 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 ... Finely granular cast ... #Urine #Microscopy ... Clinical #Nephrology #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
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
cells on urine microscopy ... RBCs and/or RBC casts ... Hematuria with benign sediment ... Hematuria with active sediment ... with polyangiitis/microscopic
Urine Microscopy - Urinary Sediment Examination Instructions
Preparation of the urine for microscopic examination:
 • Clean catch
Urine Microscopy ... - Urinary Sediment ... Resuspend the sediment ... up by cells or casts ... protein matrix of casts
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
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
- Active urine sediment ... - WBC/RBC casts ... polyangiitis (GPA) / microscopic ... - Bland urine sediment
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
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
differences in urine sediment ... Microscopic exam ... • Urinary casts ... leucocyte-esterase #urine #UNa #casts
Mixed Cellular Casts on Urine Microscopy

Degenerating mixed cellular cast - brightfield, unstained - from patient with
Mixed Cellular Casts ... on Urine Microscopy ... mixed cellular cast ... #Cellular #Casts ... clinical #Urine #Microscopy