57 results
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... suggestive of nephrotic sydnrome ... #Urine #Microscopy ... #nephrology #interpretation ... #diagnosis
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
and Nephrotic Syndromes ... RBC casts in urine ... but in severe cases ... #Proteinuria #Nephrology ... #Diagnosis
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
• Red cell casts ... • White cell casts ... infection • Hyaline casts ... disease • Granular casts ... #nephrology #casts
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 ... 34t5DgJ #Urinary #Casts ... #Diagnosis #Nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... pain hematuria syndrome ... hematuria: - RBC casts ... → Diagnostic of ... #nephrology #renal
Acute promyelocytic leukemia (blood). Typical morphologic features are bilobed ("butterfly") nuclei with dispersed chromatin, subtle to
I see all of these ... features in most cases ... leukemia #APL #APML #Pathology ... Hematology #Clinical #Smear
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
Nephritic vs Nephrotic Syndrome ... nephrotic/nephritic syndromes ... hematuria (RBC casts ... Comparison #Algorithm #Nephrology ... #Diagnosis
Urine Microscopy Instructions
1) Spin fresh urine sample (10-15mL) in a centrifuge for 3-5 minutes - Don't
Urine Microscopy ... under lower power (casts ... findings are hard to see ... #Instructions #nephrology ... #diagnosis
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 ... Assess UA w/ microscopy ... for WBCs, RBCs, casts ... #nephrology
Differentiation Between Nephrotic Syndrome and Nephritic Syndrome 
== Nephrotic Syndrome ==
Onset - Insidious 
Edema - ++++
Blood
Red blood cell casts ... Red blood cell casts ... edgarvlermamd - Nephrology ... Comparison #Table #Nephrology ... #Diagnosis