In hematuria of glomerular origin the urine is characterized by the presence of all of the following except:
Answer is B (Acanthocytes): Acanthocytes are erythrocytes characterized by multiple spiny cytoplasmic protections (spur cells). These are seen as a consequence of abnormal lipid metabolism such us in severe liver disease and are not a feature of glomerular (renal disease). Haematuria with dysmorphic RBC 's cast are a characteristic feature of glomeulonephritis. (crenated RBC are a type of dysmorphic RBC's).
Red cell casts
Acanthocytes
Crenated red cells
Dysmorphic red cells