Twyla R. Willoughby

Multi-institutional clinical experience with the Calypso System in localization and continuous, real-time monitoring of the prostate gland during external radiotherapy

Patrick A. Kupelian, Twyla R. Willoughby, Arul Mahadevan et al. · International Journal of Radiation Oncology*Biology*Physics · 2006 · 485 citations

Radiation Medicine, Urology, External Radiotherapy +11

Target localization and real-time tracking using the Calypso 4D localization system in patients with localized prostate cancer

Twyla R. Willoughby, Patrick A. Kupelian, Jean Pouliot et al. · International Journal of Radiation Oncology*Biology*Physics · 2006 · 421 citations

Real-time Tracking, Target Localization, Urology +11

Hypofractionated Intensity-Modulated Radiotherapy (70 Gy at 2.5 Gy Per Fraction) for Localized Prostate Cancer: Cleveland Clinic Experience

Patrick A. Kupelian, Twyla R. Willoughby, C.A. Reddy et al. · International Journal of Radiation Oncology*Biology*Physics · 2007 · 368 citations

Gy Per Fraction, Radiation Therapy, Medicine +9

Observations on Real-Time Prostate Gland Motion Using Electromagnetic Tracking

K Langen, Twyla R. Willoughby, Sanford L. Meeks et al. · International Journal of Radiation Oncology*Biology*Physics · 2008 · 367 citations

Motion Detection, Kinesiology, Health Sciences +8

Performance characterization of megavoltage computed tomography imaging on a helical tomotherapy unit

Sanford L. Meeks, Joseph F. Harmon, K Langen et al. · Medical Physics · 2005 · 218 citations

Computed Tomography, Helical Tomotherapy Unit, Engineering +14