13 results
Granular & “Muddy Brown” Casts on Urine Microscopy
A. Finely granular cast B. slightly coarser granular cast
Urine Microscopy ... “urine poker quads ... #Casts #Urine # ... Microscopy #Clinical ... #Nephrology #Sediment
Waxy and granular casts - brightfield urine microscopy

Dr. Telma Lemos @TELMALEMOS10

#Waxy #granular #casts #Urine #Microscopy #clinical
Waxy and granular ... casts - brightfield ... urine microscopy ... #casts #Urine # ... #nephrology
Muddy Brown Granular Casts three ways - Brightfield, Darkfield, Phase Contrast.

Dr. Vipin Varghese @vipvargh

#Muddy #Brown #Granular
Muddy Brown Granular ... Casts three ways ... #Casts #clinical ... #urine #microscopy ... #MBGC #nephrology
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... - Casts Acellular ... ) • Granular Casts ... #Urine #Microscopy ... #nephrology #interpretation
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... fresh at time of microscopy ... renal disease • Granular ... #Microscopy #Atlas ... key #diagnosis #nephrology
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
and concentrated urine ... Granular - May ... Muddy-brown" heme-granular ... #Differential #Microscopy ... #Diagnosis #Nephrology
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... eosinophiluria, microscopic ... tubular proteinuria, granular ... casts/RTE; blend ... #nephrology #diagnosis
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... and Diagnosis Algorithm ... proteinuria, RBC casts ... → Refer to Nephrology ... #Workup #urology
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
require urgent nephrology ... IMPROVEMENT If the urine ... Assess UA w/ microscopy ... for WBCs, RBCs, casts ... KidneyInjury #simplified #workup
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... Algorithm 1) ... Check Urine Osmolality ... #Algorithm #nephrology ... #sodium