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 · 488 citations

Medicine, Radiation Oncology, Urology +15

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 · 426 citations

Medicine, Biomedical Engineering, Oncology +15

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 · 371 citations

Medicine, Radiation Oncology, Urology +17

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 · 369 citations · Full text

Medicine, Biomedical Engineering, Urology +10

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

Medicine, Radiation Oncology, Radiology +17