34 results
Granular & “Muddy Brown” Casts on Urine Microscopy
A. Finely granular cast B. slightly coarser granular cast
Granular & “Muddy ... Brown” Casts on ... Urine Microscopy ... coarse (c) and muddy ... #Urine #Microscopy
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... but can be seen in ... • "Muddy Brown ... tubular necrosis (ATN ... #Urine #Microscopy
Muddy Brown Granular Casts three ways - Brightfield, Darkfield, Phase Contrast.

Dr. Vipin Varghese @vipvargh

#Muddy #Brown #Granular
Muddy Brown Granular ... Casts three ways ... Varghese @vipvargh #Muddy ... Brown #Granular #Casts ... clinical #urine #microscopy
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... from anywhere in ... fresh at time of microscopy ... renal disease • “Muddy ... contamination #Urine #Microscopy
Examples of varying granular and granular/waxy mixed casts: 
A: coarse granular/broad-waxy (and surrounding white blood cells);
granular/waxy mixed casts ... light granular/muddy ... granular, C and D: muddy ... Granular #MuddyBrown #Casts ... #Urine #Microscopy
Muddy Brown Casts in ATN
#Clinical #Path #Nephro #Urine #Microscopy #MuddyBrownCasts #ATN
Muddy Brown Casts ... in ATN #Clinical ... Nephro #Urine #Microscopy ... MuddyBrownCasts #ATN
Urinary Casts in the setting of renal disease
#Clinical #Nephro #Urine #Microscopy #Casts #Comparison #Chart #ATN #AIN
Urinary Casts in ... Nephro #Urine #Microscopy ... #Casts #Comparison ... #Chart #ATN #AIN
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... nonspecific; seen in ... "Muddy-brown" heme-granular ... in acute tubular ... #Differential #Microscopy
Urine Microscopy Instructions
1) Spin fresh urine sample (10-15mL) in a centrifuge for 3-5 minutes - Don't
Urine Microscopy ... sample (10-15mL) in ... one drop on a microscope ... under lower power (casts ... sides), then zoom in
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
When to suspect AIN ... sterile pyuria, WBC casts ... eosinophiluria, microscopic ... proteinuria, granular casts ... associated with AIN