Optimal detail of posterior fossa structures can be obscured by beam-hardening artifact associated with CT, making MRI the initial modality of choice for evaluating patients of all ages.

Question

Quizplus · Accepted Answer

CT can cause beam-hardening artifact which hinders the accurate visualization of posterior fossa structures, while MRI is not affected by such artifacts and hence it is considered as the initial modality of choice for evaluating patients of all ages in this regard.

Optimal Detail of Posterior Fossa Structures Can Be Obscured by Beam-Hardening