Pathology The following features differentiate Rotor syndrome from Dubin Johnson’s syndrome EXCEPT A Liver in patients with Rotor syndrome has no increased pigmentation and appears normal B In Rotor syndrome, Gall bladder is usually visualized on cholecystography C Total urinary coproporphyin is substantially increased in Rotor syndrome D Fraction of coproporphyin I in urine is elevated usually more than 80% of the total in Rotor syndrome 💡 Explanation The following features differentiate Rotor syndrome from Dubin Johnson's syndrome EXCEPT ✓ Correct Answer: D. Fraction of coproporphyin I in urine is elevated usually more than 80% of the total in Rotor syndrome