54 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... basement membrane disease ... - Alport syndrome ... → Diagnostic of ... of glomerular disease
Summary of characteristic abnormalities of selected glomerular diseases
Light Microscopy (LM) - Immunofluorescence Microscopy (IM) - Electron
selected glomerular diseases ... Light Microscopy ... Haemolytic-uraemic syndrome ... Nephrotic syndrome ... comparison #table #diagnosis
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... fresh at time of microscopy ... - Diagnostic of ... contamination #Urine #Microscopy ... #Atlas #key #diagnosis
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
- Differential Diagnosis ... cells on urine microscopy ... • Thin GBM disease ... with polyangiitis/microscopic ... #Algorithm #Causes
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... chronic kidney diseases ... suggestive of nephrotic sydnrome ... #Urine #Microscopy ... interpretation #diagnosis
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
granulomatosis - microscopic ... Churg-Strauss syndrome ... - Sjögren syndrome ... Vasculitis #Vessels #Diagnosis ... #Rheumatology #Diagnosis
Salmonella Aspiration on Microscopy

66 y/o male with history of coronary artery disease presents with abdominal pain.
Aspiration on Microscopy ... coronary artery disease ... Diagnosis ? ... Is a major cause ... Salmonella #Aspiration #Microscopy
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
- Differential Diagnosis ... • Fanconi's syndrome ... polyangiitis (GPA) / microscopic ... Minimal change disease ... #Differential #Diagnosis
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Anticentromere - CREST syndrome ... La) - Sjogren's syndrome ... Microscopic polyangiitis ... Goodpasture's syndrome ... #diagnosis #table
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Disease Associations ... Advanced kidney disease ... Fatty - Nephrotic syndrome ... #Differential #Microscopy ... #Diagnosis #Nephrology