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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 #nephrology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Iron deficiency anemia ... Chronic disease anemia ... Sideroblastic anemia ... iron deficiency anemia ... diagnosis #hematology #microscopy
Glitter Cells on Urine Microscopy
Glitter cells in the urine are viable and pale staining WBCs with
Cells on Urine Microscopy ... pale staining WBCs ... #Cells #Urine #Microscopy ... #clinical #nephrology
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... Cellular Casts: • RBC ... glomerulonephritis • WBC ... #Casts #Urine #Microscopy ... #nephrology #interpretation
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Autoimmune Hemolytic Anemia ... DIAGNOSE AIHA • Anemia ... ↑ LDH • Anti-RBC ... Autoimmune #Hemolytic #Anemia ... diagnosis #management #treatment
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
urine sediment - WBC ... /RBC casts ... polyangiitis (GPA) / microscopic ... #Proteinuria #Nephrology
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
sterile pyuria, WBC ... eosinophiluria, microscopic ... AIN #Algorithm #nephrology
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Aplastic Anemia ... • Aplastic anemia ... Pancytopenia: • ↓ RBC ... • ↓ WBC • ↓ ... Treatment:
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
urine sediment Microscopic ... urine sediment by microscopy ... pain + gross or microscopic ... - Can cause microscopic ... causes #urology #nephrology
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
e.g AEIOU ) or anuria ... require urgent nephrology ... Assess UA w/ microscopy ... for WBCs, RBCs, ... workup #diagnosis #nephrology