10 results
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... fresh at time of microscopy ... renal disease ... contamination #Urine #Microscopy ... #Atlas #key #diagnosis
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
basement membrane disease ... - Alport syndrome ... hematuria: - RBC casts ... Diagnostic of GN or vasculitis ... of glomerular disease
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... ANCA-positive vasculitis ... polyangiitis, Microscopic ... ANCA-negative vasculitis ... IgA-associated vasculitis
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Anti-dsDNA (in 70% of cases ... seen in 30—70% of cases ... • Sjögren syndrome ... : • Microscopic ... vasculitis - MPO
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Disease Associations ... Advanced kidney disease ... tubulointerstitial nephritis, renal ... Fatty - Nephrotic syndrome ... #Differential #Microscopy
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
pulmonary and renal ... PR3-ANCA): • Microscopic ... • Cogan Syndrome ... Dx: GPA, EGPA, microscopic ... • Urinalysis (Renal
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Autoimmune ANCA vasculitis ... polyangiitis), MPA (microscopic ... life-threatening diseases ... FINDINGS: • U/A: microscopic ... hematuria, RBC casts
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
pulmonary and renal ... Mucocutaneous lymph node syndrome ... (PR3-ANCA)): Microscopic ... • Behcet syndrome ... • Cogan syndrome
Borrelia recurrentis on Peripheral Blood Smear
23M Somali refugee recently arrived w/severe abd pain, confusion and fever
resolved after 2-3d ... Several cases have ... Syndrome: 3d of ... Infectious Diseases ... recurrentis #BloodSmear #microscopy
Fever After International Travel

Infectious Disease:
• Endemic in either the destination or home region

Viral Syndromes:
Arboviral infections, a
region Viral Syndromes ... thrombocytopenia, and renal ... falciparum: Most cases ... tests of liver and renal ... dipstick test, microscopic