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A Study of Daily Localization with 3D Ultrasound, Cone Beam CT and Implanted Fiducial Markers for Patients undergoing IGRT for Prostate Cancer by Neicu, T.; Nurushev, T.; Hammoud, R.; Martin, F.; Pradhan, D.; Stricker, H.; Movsas, B.; Chetty, I.; Elshaikh, M. is a Medicine article available to read on EtoBox.
What is A Study of Daily Localization with 3D Ultrasound, Cone Beam CT and Implanted Fiducial Markers for Patients undergoing IGRT for Prostate Cancer about?
fluoroscopic imaging of surgical clips in order to measure maximum excursion in the anterior to posterior (A-P), superior to inferior (S-I) and lateral (L-R) dimensions. More recently, full breath-cycle 4D-CT is used to determine the maximum extent of motion of surgical clips in the prostatectomy bed. These measurements were used to create a patient-specific internal target volume (ITV) expansion for each patient. The initial two patients were simulated prone, while all patients since have been simulated supine. Data was prospectively recorded in a quality assurance database, from which the present analysis is being conducted after IRB approval. Results: Twenty-one patients were identified for inclusion in the present analysis and two patients were excluded due to lack of motion data. Two patients (10%) were simulated prone and 17 (90%) were simulated supine. Motion was measured using fluoroscopy on eleven patients (58%) and 4D-CT on eight (42%). The mean maximum excursion in the A-P dimension was 1.3 mm (range, 0-4, standard dev 1.16, 68% #1 mm), 1.4 mm in S-I (range, 0-4, std dev 1.21, 68% #1 mm), and 0.6 mm in L-R (range, 0-2, std dev 0.61, 95% #1 mm). The two patients treated p
Who reads A Study of Daily Localization with 3D Ultrasound, Cone Beam CT and Implanted Fiducial Markers for Patients undergoing IGRT for Prostate Cancer?
It is typically read by researchers, students, and practitioners in Medicine.
- Author
- Neicu, T.; Nurushev, T.; Hammoud, R.; Martin, F.; Pradhan, D.; Stricker, H.; Movsas, B.; Chetty, I.; Elshaikh, M.
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0360-3016)
- Published
- 2008
- Language
- EN
- Field
- Medicine (Health Sciences)