11 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Diagnosis Framework ... syndrome: • ... : - RBC casts ... → Diagnostic of ... GN or vasculitis
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... fresh at time of microscopy ... - Diagnostic of ... #Microscopy #Atlas ... #key #diagnosis
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Dyspnea, Fever, Hematuria ... Differential Diagnosis ... ANCA-positive vasculitis ... polyangiitis, Microscopic ... #diagnosis #nephrology
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Autoimmune ANCA vasculitis ... polyangiitis), MPA (microscopic ... : UA, Urine protein ... : • U/A: microscopic ... , RBC casts, low
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
and Differential Diagnosis ... microscopy / urinary ... Glomerulonephritis / Vasculits ... syndrome: troponin ... #Differential #Diagnosis
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
and concentrated urine ... tubulointerstitial nephritis, renal ... Fatty - Nephrotic syndrome ... #Differential #Microscopy ... #Diagnosis #Nephrology
Approach to Microscopic Hematuria 

Microscopic hematuria is often incidental but may be associated with urologic malignancy.
Hematuria Microscopic ... RBC's, cellular casts ... properly collected urine ... with cystoscopy & renal ... #Microscopic #diagnosis
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Anti-dsDNA (in 70% of cases ... • Sjögren syndrome ... : • Microscopic ... vasculitis - MPO ... Antineutrophil #antibodies #diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
multiplex • Hematuria ... pulmonary and renal ... PR3-ANCA): • Microscopic ... Dx: GPA, EGPA, microscopic ... • Urinalysis (Renal
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Mononeuritis multiplex • Hematuria ... pulmonary and renal ... Differential Diagnosis ... (PR3-ANCA)): Microscopic