36 results
Urine Microscopy and Casts - Image Atlas Key

- Squamous Epithelial Casts
- Transitional Epithelial Cells
- Renal Tubular
Urine Microscopy ... and Casts - Image ... - WBC Cast - ... RBC Cast - Fatty ... #Casts #Atlas #
RBC Casts on Urine Microscopy

Dr. Telma Lemos @TELMALEMOS10

#RBC #Casts #Urine #Microscopy #clinical #nephrology
RBC Casts on Urine ... Microscopy Dr. ... TELMALEMOS10 #RBC ... #Casts #Urine # ... Microscopy #clinical
Here are very large, immature myeloblasts with many nucleoli. A distincitve feature of these blasts is
large, immature myeloblasts ... Path #BloodSmear #Blood ... #Smear #Microscopy ... #Auer #Rods #AuerRods
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... - Casts Acellular ... • RBC Casts - ... glomerulonephritis • WBC ... #Urine #Microscopy
Plasmodium Falciparum Blood Smear.
Key features suggesting Plasmodium falciparum:
- extreme parasitemia
- normocytic RBCs (vivax, ovale prefer big
parasitemia - normocytic RBCs ... multiples per RBC ... P. falciparum causes ... human malaria cases ... peripheral #clinical #microscopy
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
urine • 1ml blood ... Hematuria: 3 or more RBC ... hematuria: - RBC ... casts → Diagnostic ... #renal #urine #blood
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Algorithm Red blood ... cells on urine microscopy ... Glomerular (Dysmorphic RBCs ... and/or RBC casts ... with polyangiitis/microscopic
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Urinalysis >3 RBCs ... casts, dysmorphic ... RBCs)? ... Nephrology if cause ... Workup #urology #blood
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... urine sediment - WBC ... /RBC casts ... polyangiitis (GPA) / microscopic ... Diagnosis #Algorithm #Causes
Examples of varying granular and granular/waxy mixed casts: 
A: coarse granular/broad-waxy (and surrounding white blood cells);
granular/waxy mixed casts ... surrounding white blood ... Granular #MuddyBrown #Casts ... #Urine #Microscopy