16 results
Urine Microscopy and Casts - Image Atlas Key

- Squamous Epithelial Casts
- Transitional Epithelial Cells
- Renal Tubular
Urine Microscopy ... RBCs - Dysmorphic ... RBCs - Granular ... Casts - WBC Cast ... - RBC Cast -
Red cell autoagglutination is the process whereby red cells clump together forming aggregates. This is seen
individual’s red blood ... cells (RBCs or ... serum due to the RBCs ... #Smear #Microscopy ... #RBC #Autoagglutination
Red cell autoagglutination is the process whereby red cells clump together forming aggregates. This is seen
individual’s red blood ... cells (RBCs or ... serum due to the RBCs ... #Smear #Microscopy ... #RBC #Autoagglutination
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Urinalysis >3 RBCs ... (proteinuria, RBC ... casts, dysmorphic ... RBCs)? ... Nephrology if cause
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... Algorithm Red blood ... cells on urine ... Glomerular (Dysmorphic RBCs ... and/or RBC casts
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
urine • 1ml blood ... : 3 or more RBC/ ... : - RBC casts ... - Dysmorphic RBC ... #renal #urine #blood
A normal peripheral blood smear indicates the appropriate appearance of red blood cells, with a zone
normal peripheral blood ... cells, with a zone ... the size of the RBC ... Clinical #Path #Microscopy ... PeripheralBloodSmear #BloodSmear
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
Nucleated red blood cells, aka normoblasts or erythroblasts, were released prematurely from the bone marrow in
Nucleated red blood ... fetus/newborn the causes ... #Path #Peds #BloodSmear ... #Blood #Smear # ... Nucleated #RBCs
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Microscopic exam ... • Red blood cells ... (RBC) ... • Urinary casts ... leucocyte-esterase #urine #UNa #casts