Which of the following are true regarding fibrolamellar hepatocellular carcinoma?
a) The majority are associated with elevated alphafetoprotein
b) A central scar is present in 50% of cases on ultrasonography
c) Calcification is rarely seen on CT
d) There is delayed enhancement of the- tumour following intravenous gadolinium on MRI
e) The central scar may enhance following intravenous contrast on CT
