11 results
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... - Casts Acellular ... suggestive of glomerulonephritis ... #Urine #Microscopy ... #nephrology #interpretation
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... cells on urine microscopy ... RBCs and/or RBC casts ... with polyangiitis/microscopic ... Diagnosis #Algorithm #Causes
Glomerulonephritis - Differential Diagnosis Framework
ANCA:
 • C-ANCA: GPA (Wegener's)
 • P-ANCA: Microscopic Polyangiitis, Eosinophilic GPA (Churg
Glomerulonephritis ... Wegener's) • P-ANCA: Microscopic ... Strauss) Anti-GBM ... differential #diagnosis #nephrology ... #causes
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... breakdown of cellular casts ... heme-granular casts ... 34t5DgJ #Urinary #Casts ... #Differential #Microscopy
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Epithelial cell casts ... Obstruction • Cast ... Rapidly Progressive Glomerulonephritis ... polyangiitis /microscopic ... #KidneyInjury #Nephrology
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
Membranoproliferative Glomerulonephritis ... dysmorphic RBC, RBC casts ... immune deposits on EM ... Membranoproliferative #Glomerulonephritis ... #MPGN #nephrology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
sediment - WBC/RBC casts ... proliferative • Anti-GBM ... polyangiitis (GPA) / microscopic ... #Proteinuria #Nephrology ... Diagnosis #Algorithm #Causes
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
alveolar hemorrhage + Glomerulonephritis ... polyangiitis, Microscopic ... anti-ANCA ab, anti-GBM ... biopsy By Tess Litchman ... differential #diagnosis #nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
dipstick, urine microscopy ... and signs • Glomerulonephritis ... ANCA, ANA, Anti-GBM ... Differential #Diagnosis #nephrology ... #causes
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Cytomegalovirus; GBM ... membrane; GN = glomerulonephritis ... cell/white cell casts ... Nephrocalcinosis causes ... nephrotic #syndrome #nephrology