The Circle of Willis (CoW) was assessed using a combination of CTA, MRA, and DSA, focusing on the visualization and diameter of the following arteries: the anterior communicating artery (AcoA), the ...

We included CCO patients treated between January 2018 and December 2023. The Circle of Willis (CoW) was assessed using a combination of CTA, MRA, and DSA, focusing on the visualization and diameter of ...

The Circle of Willis is a critical arterial structure located at the base of the brain, providing a collateral blood supply to the cerebral hemispheres. Anatomical variations in this structure can ...

Dorval Carter is out at the CTA. The transit agency president announced ... a moment that came full circle Friday when he locked in a crucial piece of federal funding to advance the long-discussed ...

CTA chief of staff Nora Leerhsen will become the acting president of the transit agency, taking over after Dorval Carter’s retirement at the end of January. Leerhsen, a high-level CTA official ...

The CTA will no longer use X, the social media platform formerly known as Twitter, to send service updates and alerts to passengers. In an announcement in recent days, the CTA said that it had ...

Provided Share Chicago Transit Authority chief of staff Nora Leerhsen was named acting president of the agency Wednesday as CTA President Dorval Carter Jr. prepares to leave the post. Leerhsen ...

The exit of the 67-year-old comes as the CTA faces a funding crisis and amid calls for his resignation from numerous Chicago aldermen. But Carter had resisted that pressure, only just celebrating ...

CHICAGO (WLS) -- CTA President Dorval Carter, Jr. announced Monday he will retire as head of the transit agency at the end of the month. "The City of Chicago is grateful to President Dorval Carter ...