465 results
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
• Urinary casts ... excretion of Sodium (FE ... Injury (AKI) FE ... Necrosis (ATN) FE ... leucocyte-esterase #urine #UNa #casts
Urine Microscopy and Casts - Image Atlas Key

- Squamous Epithelial Casts
- Transitional Epithelial Cells
- Renal Tubular
Microscopy and Casts ... - WBC Cast - ... RBC Cast - Fatty ... Cast - Waxy Cast ... - RTEC Cast
Granular & “Muddy Brown” Casts on Urine Microscopy
A. Finely granular cast B. slightly coarser granular cast
“Muddy Brown” Casts ... Finely granular cast ... coarser granular cast ... (mb) granular cast ... by a waxy (wx) cast
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy - Casts ... Acellular Casts ... • Hyaline Casts ... "Muddy Brown" Casts ... Cellular Casts:
Fatigue and IBD Algorithm
 • 40-50% patients have fatigue despite clinical remission
 • Risk factors: BMI,
active IBD: IV Fe ... > PO FEFe Carboxymaltose ... & Fe Sucrose > ... IV FE formulations
Mixed Cellular Casts on Urine Microscopy

Degenerating mixed cellular cast - brightfield, unstained - from patient with
Mixed Cellular Casts ... mixed cellular cast ... #Cellular #Casts
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
microscopy • Red cell casts ... • White cell casts ... infection • Hyaline casts ... disease • Granular casts ... • “Muddy brown cast
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Anemia/blood loss (Fe
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
TIBC increased - Fe ... normal/decreased - Fe
Lipid Casts on Urine Microscopy

Dr. Telma Lemos @TELMALEMOS10

#Lipid #Casts #Urine #Microscopy #clinical #fatty #nephrology
Lipid Casts on Urine ... TELMALEMOS10 #Lipid #Casts