K. Carty
Ottawa Hospital
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Publication
Featured researches published by K. Carty.
Radiotherapy and Oncology | 2008
M. MacPherson; L. Montgomery; Greg Fox; K. Carty; L Gerig; R. MacRae; Laval Grimard; Brenda G. Clark; Rajiv Samant
Rapid delivery of radiation therapy is expected to benefit patients requiring palliation. We investigated the feasibility of employing a helical tomotherapy unit to scan, plan, and deliver a radiation treatment in a single radiation therapy appointment. Eleven patients each had an MVCT scan acquired, a plan created, and delivery completed while the patient was on the treatment couch. Timelines for each step of the process were recorded for each patient, and compared with the conventional process for similar patients. Preliminary results show that patients routinely can be treated within a 1 hour appointment for the first fraction.
Journal of Radiotherapy in Practice | 2010
R. Samant; Lee Gerig; L. Montgomery; M. MacPherson; Greg Fox; R. MacRae; K. Carty; Steve Andrusyk; Paul Genest; Balazs Nyiri
Purpose: To assess the efficiency of an integrated imaging, planning, and treatment delivery system to provide image-guided intensity-modulated radiotherapy (IG-IMRT) for patients requiring palliative radiotherapy (PRT). Methods: Between December 2006 and May 2008, 28 patients requiring urgent PRT were selected to undergo single-session megavoltage computed tomography (MV-CT) simulation, IMRT treatment planning, position verification and delivery of the first faction of radiotherapy on a helical Tomotherapy ® unit. The time required to complete each step was recorded and compared to our standard approach of using either fluoroscopic or CT-based simulation, simplified treatment planning and delivery on a megavoltage unit. Results: Twenty-eight patients were treated with our integrated IG-IMRT protocol. The median age was 72 years, with 61% men and 39% women. The indications for PRT were: painful bone and soft tissue metastasis (75%); bleeding lesions (14%); and other reasons (11%). The areas treated included the following: hip and/or pelvis (42%); spine (36%); and other areas (21%). The most commonly used dose prescription was 20 Gy in five fractions. Average times for the integrated IG-IMRT processes were as follows: image acquisition, 15 minutes; target delineation, 16 minutes; IMRT treatment planning, 9 minutes; treatment position verification, 10 minutes; and treatment delivery, 12 minutes. The average total time was 62 minutes compared to 66 minutes and 81 minutes for fluoroscopic and CT-simulation-based approaches, respectively. The IMRT dose distributions were also superior to simpler plans. Conclusions: PRT with an integrated IG-IMRT approach is efficient and convenient for patients, and has potential for future applications such as single-fraction radiotherapy.
Current Oncology | 2009
R. Samant; Lee Gerig; L. Montgomery; R. MacRae; Greg Fox; Balazs Nyiri; K. Carty; M. MacPherson
Clinical Oncology | 2008
R. Samant; Lee Gerig; L. Montgomery; R. MacRae; Greg Fox; Balazs Nyiri; K. Carty; M. Macpherson
Radiotherapy and Oncology | 2006
B Clark; L. Montgomery; Greg Fox; K. Carty; M. MacPherson; Shawn Malone; R. MacRae; L Gerig; Laval Grimard
International Journal of Radiation Oncology Biology Physics | 2015
S. El-Sayed; K. Carty
International Journal of Radiation Oncology Biology Physics | 2015
Rajiv Samant; J. Tay; B. Nyiri; K. Carty; Lee Gerig; Steve Andrusyk; L. Montgomery; H. Atkins
Journal of Cancer Therapy | 2012
Rajiv Samant; Michael Scopazzi; K. Carty
Radiotherapy and Oncology | 2011
L. Montgomery; H. Atkins; Greg Fox; L Gerig; K. Carty; G. Niedbala; Balazs Nyiri; Rajiv Samant
International Journal of Radiation Oncology Biology Physics | 2010
H.A. Alhussain; Jean-Michel Caudrelier; Shawn Malone; O. Agboola; T. Nguyen; J. Belec; K. Carty; J. Bahm; L. Montgomery