591 results
Muddy Brown Granular Casts three ways - Brightfield, Darkfield, Phase Contrast.

Dr. Vipin Varghese @vipvargh

#Muddy #Brown #Granular
Muddy Brown Granular ... Casts three ways ... vipvargh #Muddy #Brown ... #clinical #urine ... microscopy #MBGC #nephrology
Granular & “Muddy Brown” Casts on Urine Microscopy
A. Finely granular cast B. slightly coarser granular cast
Granular & “Muddy Brown ... ” Casts on Urine ... “urine poker quads ... (c) and muddy brown ... #Clinical #Nephrology
Causes of Abnormal Urine Colors - Differential Diagnosis
Blue-Green - Yellow - Orange - Pink - Red
Causes of Abnormal ... Urine Colors - ... - Pink - Red - Brown ... White - Purple #Urine ... differential #diagnosis #causes
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria: Red/Dark urine ... 1ml blood/liter urine ... examination of urine ... Dysmorphic RBC - Brown ... #urology #nephrology
Urine Color - Differential Diagnosis
Red Urine:
 • Medical conditions: bleeding, porphyria, factitious disorder
 • Meds: rifampin,
Diagnosis Red Urine ... vitamin B complex Brown ... Any cause of red ... dyes typically cause ... discoloration #nephrology
Examples of varying granular and granular/waxy mixed casts: 
A: coarse granular/broad-waxy (and surrounding white blood cells);
granular/waxy mixed casts ... granular/muddy brown ... C and D: muddy brown ... Granular #MuddyBrown #Casts ... #Urine #Microscopy
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
WBCs, or urine ... → Urine culture ... proteinuria, RBC casts ... if cause not identified ... #blood #urine
What the Color of Urine Can Tell You - Differential Diagnosis by Urine Color
Clear: excess water
Pale
What the Color of Urine ... Differential Diagnosis by Urine ... phenazopyridine Brown ... Purple (Purple Urine ... differential #diagnosis #causes
Causes Abnormal Urine Color - Differential Diagnosis
Turbid White Urine (Albinuria):
 • Chyluria, Filariasis, Schistosomiasis, Malignancy, Phosphaturia,
Causes Abnormal ... Urine Color - Differential ... Syndrome - UTI caused ... Beets, Carrots Brown ... Differential #Diagnosis #nephrology
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... also be seen if urine ... disease • “Muddy brown ... contamination #Urine ... key #diagnosis #nephrology