Central dot sign on CT SCAN -: (A) Caroli's disease, (B) Primary sclerosing cholangitis, (C) Polycystic liver disease, (D) Liver hamartoma
Answer is A. Ans. is 'a' i.e., Caroli's disease o Central Dot sign on CT or USG is seen in (i) Caroli's disease (most common cause); (ii) Prebiliary cysts; (iii) Obstructive jaundice; and (iv) Periportal lymphedema.