23 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
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
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... • "Muddy Brown ... suggestive of acute ... in a variety of acute ... #Urine #Microscopy
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... tubular cells - Acute ... fresh at time of microscopy ... renal disease • “Muddy ... protein indicating acute
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 ... Nephro #Urine #Microscopy
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... "Muddy-brown" heme-granular ... casts are seen ... in acute tubular ... #Differential #Microscopy
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... to Acute Interstitial ... sterile pyuria, WBC casts ... eosinophiluria, microscopic ... MatthewHoMD #Acute
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Differential Diagnosis Algorithm ... Epithelial cell casts ... Obstruction • Cast ... polyangiitis /microscopic ... Differential #Diagnosis #Algorithm
Core IM: Pearls on Contrast-Induced Nephropathy

Definition: 
 • no slam dunk criteria 
 • definition in
hypoxic/cytotoxic acute ... signs of ATN (muddy ... brown casts)