13 results
Urine Microscopy - Kidney Stones and Crystals 

Uric Acid, Cystine, Hippurate, Cloth Fiber, Tyrosine, CaOx, CaP,
Urine Microscopy ... #Microscopy #Crystals ... Differential #Shapes #Diagnosis ... #Stones #Key #Nephrology ... Sediment #Kidney #Atlas
Kidney stone type, corresponding urine sediment, urinary risk factors, and associated clinical settings.
#Diagnosis #Nephrology #Urine #Microscopy
corresponding urine ... #Diagnosis #Nephrology ... #Urine #Microscopy ... Kidney #Stones #Crystals ... #Types #Morphology
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... infection • Hyaline ... #Microscopy #Atlas ... #key #diagnosis ... #nephrology #casts
Urine Microscopy Crystals
Uric Acid crystals:
 - Formation promoted by acidic urine
 - Seen in tumor lysis
Urine Microscopy ... in tumor lysis syndrome ... urease-producing organisms (e.g ... - Diagnostic of ... #Microscopy #Crystals
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... disease - Alport syndrome ... pain hematuria syndrome ... - RBC casts → Diagnostic ... Hematuria: • Urethritis
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Chemotherapy (e.g ... Hemoglobin C Crystals ... #differential #diagnosis ... #hematology #microscopy ... #atlas #nomenclature
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... Acellular Casts • Hyaline ... colored compounds (e.g ... #Microscopy #nephrology ... interpretation #diagnosis
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 ... Protein deposition (eg ... #Proteinuria #Nephrology
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
IMPROVEMENT If the urine ... you confirmed diagnosis ... Assess UA w/ microscopy ... , RBCs, casts, crystals ... simplified #workup #diagnosis
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Associations Hyaline ... and concentrated urine ... Fatty - Nephrotic syndrome ... #Differential #Microscopy ... #Diagnosis #Nephrology