14 results
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... • Red cell casts ... glomerular disease • Leukocytes ... • White cell casts ... renal disease • Granular
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... - Casts Acellular ... but can be seen in ... ) • Granular Casts ... #Urine #Microscopy
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Microscopic exam ... • Crystals ... • Urinary casts ... #Urinalysis #crystals ... #urine #UNa #casts
Crystal cast in patient with AKI and TLS on Urine Microscopy

Randy Luciano MD, PhD @RandyLucianoMD

#TLS #Crystal
Crystal cast in ... AKI and TLS on Urine ... Microscopy Randy ... #casts #crystalluria ... #Urine #Microscopy
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... and concentrated urine ... breakdown of cellular casts ... casts are seen ... 34t5DgJ #Urinary #Casts
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
Urine Microscopy - Urinary Sediment Examination Instructions
Preparation of the urine for microscopic examination:
 • Clean catch
Urine Microscopy ... protein, blood or leukocyte ... up by cells or casts ... Ill stain) and crystals ... protein matrix of casts
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Acute increase in ... Epithelial cell casts ... myeloma) • Urate crystals ... • Calcium Oxalate ... polyangiitis /microscopic
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
PROBLEM ~80% of AKI cases ... IMPROVEMENT If the urine ... Assess UA w/ microscopy ... for WBCs, RBCs, casts ... , crystals, protein
Low Alkaline Phosphatase - Hypophosphatasia 

Is Low Alkaline Phosphatase Of Clinical Importance?

ALP enzyme- Discovered in 1923
Low
Most cases diagnosed ... ALP -> PPi and Calcium ... hydroxyapatite crystal ... Phosphatase: • Other causes ... Hyophosphatasia #hepatology