20 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
: - RBC casts ... Causes of Hematuria ... microscopic and ... #urology #nephrology ... #renal #urine #
Urine Microscopy and Casts - Image Atlas Key

- Squamous Epithelial Casts
- Transitional Epithelial Cells
- Renal Tubular
Urine Microscopy ... and Casts - Image ... Epithelial Cells - Renal ... JoseTesser) #Urine ... #Microscopy #Casts
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... • Red cell casts ... • White cell casts ... • Hyaline casts ... - Any type of renal
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... blood cells on urine ... microscopy. ... /or RBC casts) ... with polyangiitis/microscopic
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... - Casts Acellular ... variety of acute and ... suggestive of nephrotic sydnrome ... #Urine #Microscopy
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
proteinuria, RBC casts ... Nephrology for renal ... referral to Urology ... Nephrology if cause ... Algorithm #Workup #urology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
microscopy / urinary ... osmolarity If cause ... Abdominal compartment syndrome ... syndrome: troponin ... Diagnosis #nephrology #causes
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... • Fanconi's syndrome ... sediment - WBC/RBC casts ... polyangiitis (GPA) / microscopic ... Amyloidosis)
Approach to Microscopic Hematuria 

Microscopic hematuria is often incidental but may be associated with urologic malignancy.
Hematuria Microscopic ... associated with urologic ... RBC's, cellular casts ... properly collected urine ... with cystoscopy & renal
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... breakdown of cellular casts ... heme-granular casts ... 34t5DgJ #Urinary #Casts ... #Differential #Microscopy