35 results
Granular & “Muddy Brown” Casts on Urine Microscopy
A. Finely granular cast B. slightly coarser granular cast
on Urine Microscopy ... “urine poker quads ... #Urine #Microscopy ... #Clinical #Nephrology ... #Sediment
Urine Microscopy and Casts - Image Atlas Key

- Squamous Epithelial Casts
- Transitional Epithelial Cells
- Renal Tubular
Urine Microscopy ... Cast - Waxy Cast ... JoseTesser) #Urine ... #Atlas #Key #Clinical ... #Sediment
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
: Red/Dark urine ... sediment Microscopic ... sediment by microscopy ... : - RBC casts ... causes #urology #nephrology
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
sediment and color ... • Ketones • Leukocyte ... • Urinary casts ... #urine #UNa #casts ... #glucosuria #hematuria
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
the patient has hematuria ... have glomerular hematuria ... (RBC casts or dysmorphic ... RBCs in urine)? ... Comparison #Algorithm #Nephrology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... Algorithm • Confirm hematuria ... proteinuria, RBC casts ... → Refer to Nephrology ... cystoscopy • Refer to Nephrology
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
blood cells on urine ... RBCs and/or RBC casts ... with benign sediment ... with active sediment ... with active sediment
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
sterile pyuria, WBC casts ... eosinophiluria, microscopic hematuria ... proteinuria, granular casts ... /RTE; blend sediment ... AIN #Algorithm #nephrology
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... also be seen if urine ... glomerular disease • Leukocytes ... contamination #Urine ... key #diagnosis #nephrology
Lipid Casts on Urine Microscopy

Dr. Telma Lemos @TELMALEMOS10

#Lipid #Casts #Urine #Microscopy #clinical #fatty #nephrology
Lipid Casts on Urine ... TELMALEMOS10 #Lipid #Casts ... #Urine #Microscopy ... #clinical #fatty ... #nephrology