MRI of Takayasu's arteritis: typical appearances and complications.

OBJECTIVE: Although Takayasu's arteritis (TA) is more common in Asian countries, it has a worldwide distribution. MRI is widely used for its diagnosis. Our purpose is to present a comprehensive pictorial review of its typical appearances and complications on MRI.

CONCLUSION: MRI can effectively provide almost all anatomic information in patients with TA. MRI is very useful for accurate diagnosis of TA and its complications. Knowledge of MRI findings is essential for improving patient outcome.