Challenge #45 (part 2)
Look and the scans below and answer the multiple choice questions.
1. The reason why a DVA is so well seen on susceptibility weighted images is:
a) It is slowly flowing
b) It largely contains deoxyhemoglobin
c) SWI has flow related enhancement features
d) They bleed
e) None of the above
2. With respect to DVAs and the risk of bleeding:
a) Posterior fossa DVAs bleed more commonly than supratentorial ones
b) Posterior fossa DVAs bleed less commonly than supratentorial ones
c) Posterior fossa DVAs bleed as commonly than supratentorial ones
d) Posterior fossa DVAs bleed less commonly than spinal ones
e) None of the above
Be sure to submit your answers for a chance to win a special prize!
