15 results
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... but can be seen in ... suggestive of nephrotic sydnrome ... ) • Granular Casts ... #Urine #Microscopy
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... sterile pyuria, WBC casts ... eosinophiluria, microscopic ... tubular proteinuria, granular ... casts/RTE; blend
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
• Red cell casts ... • White cell casts ... infection • Hyaline casts ... renal disease • Granular ... casts - More significant
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... breakdown of cellular casts ... casts are seen ... 34t5DgJ #Urinary #Casts ... #Differential #Microscopy
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
urine sediment Microscopic ... urine sediment by microscopy ... hematuria syndrome ... hematuria: - RBC casts ... microscopic and
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Acute increase in ... • Hepatorenal syndromes ... Epithelial cell casts ... polyangiitis /microscopic ... #Causes
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Differential Diagnosis Algorithm ... • Fanconi's syndrome ... sediment - WBC/RBC casts ... polyangiitis (GPA) / microscopic ... #Causes
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Causes of Hemoptysis ... Hemoptysis (>I00 mL in ... Goodpasture's Syndrome ... polyangiitis / microscopic ... #Causes #Pulmonary
Borrelia recurrentis on Peripheral Blood Smear
23M Somali refugee recently arrived w/severe abd pain, confusion and fever
resolved after 2-3d ... Northeast Africa with cases ... Several cases have ... Syndrome: 3d of ... recurrentis #BloodSmear #microscopy
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
of cases) 2 ... Anti-histone (in ... 30—70% of cases ... • Sjögren syndrome ... Vasculitis: • Microscopic