CANADIAN MEDICAL PHYSICS NEWSLETTER Le BULLETIN CANADIEN InterACTIONS de PHYSIQUE MÉDICALE Detection of Lung Remodelling following Radiation Therapy using Hyperpolarized 3He Mag- netic Resonance Imaging PUBLICATIONS MAIL AGREEMENT NO. 40049361 RETURN UNDELIVERABLE CANADIAN ADDRESSES TO: COMP/CCPM Office PO Box 72024 Kanato North RPO OTTAWA, ON K2K 2P4 CANADA A publication of the Canadian Organization of Medical Physicists and the Canadian College of Physicists in Medicine http://www.medphys.ca ISSN 1488-6839 56 (3) juillet/July 2010 PTW AD ALREADY UP- LOADED 70 56(3) juillet/July Canadian Medical Physics Newsletter / Le bulletin canadien de physique médicale InterACTIONS Volume 56, Number 3– juillet/July 2010 73 Message from the COMP President— Peter McGhee 74 Message from the CCPM President— Dave Wilkins 75 Message from the Executive Director— Nancy Barrett 76 CNSC Feedback Forum— Submission of Annual Compliance Reports Kavita Murthy, Director 77 Feature Article: Detection of Lung Remodelling following Radiation Therapy using Hyperpolarized 3He Magnetic Resonance Imaging L. Mathew, S. Gaede, A. Wheatley, R. Etemad-Rezai, G. Rodrigues and G. Parraga 79 Coeff6 – A Tool for Radiation Physics — Jack Cunningham 80 Book Review: Clinical Dosimetry Measurements in Radiotherapy—Alasdair Syme 85 Report of the 2009 Harold E. Johns Travel Award Visit Hyperpolarized Gas Magnetic Resonance Lung Imaging at the Robarts Research In- stitute in London, Ontario — Dr. Atiyah Yahya 88 Laptops for Kenya — Marija Popovic 89 NSERC opening up for Medical Physics — David W O Rogers and William Whelan 91 Interesting Things Medical Physicists Do: Swords into Ploughshares?! — Alex Vitkin 93 Easy Particle Propagation — Jonas Lippuner 94 Editor’s Note — Idris Elbakri Cover Image Hyperpolarized helium-3 magnetic resonance imaging (MRI) methods are being developed in a handful of respiratory and MR centres to provide a quantitative method for the measurement of lung function and tissue microstructure by exploiting the diffusion properties of 3He. Feature article on page 77 presents longitudinal results in a small group of patients with clinically diagnosed RILI.. The figure illustrates 3He MRI images registered with 1H images and CT. Canadian Medical Physics Newsletter / Le bulletin canadien de physique médicale 56(3) juillet/July 2010 71 The Canadian Medical Physics Newsletter, COMP BOARD CCPM BOARD which is a publication of the Canadian Organi- zation of Medical Physicists (COMP) and the President: President: Canadian College of Physicists in Medicine Peter McGhee, Ph.D., FCCPM David Wilkins, Ph.D., FCCPM (CCPM) is published four times per year on 1 Thunder Bay Regional HS Centre The Ottawa Hospital Jan., 1 April, 1 July, and 1 Oct. The deadline for Thunder Bay, ON Box 927, 501 Smyth Road submissions is one month before the publica- Tel: (807) 684-7325 Ottawa, ON, K1H 8L6 tion date. Enquiries, story ideas, images, and [email protected] Tel: (613) 737-7700 x70010 article submissions can be made to: FAX: (613) 247-3507 Past President: [email protected] Idris A. Elbakri, Ph.D., MCCPM Jason Schella, M.Sc., FCCPM CancerCare Manitoba Nova Scotia Cancer Centre Vice-President: 675 McDermot Ave Halifax, NS Matthew G. Schmid, M.Sc., FCCPM Winnipeg, MB, R3E0V9 Tel: (902) 473-6011 BC Cancer Agency — Southern Interior Email: [email protected] [email protected] Phone: (204) 787-2856 399 Royal Avenue Kelowna, BC V1Y 5L3 Fax: (204) 775-1684 President Elect: Tel: (250) 712-3917 Members of the Editorial Board include: FAX: (250) 712-3911 To be announced at the COMP Tony Popescu Boyd McCurdy [email protected] Michelle Cottreau Parminder Basran 2010 AGM Registrar: Please submit stories MS Word or ASCII text Secretary: Darcy Mason, M.Sc., FCCPM format. Images in Tiff format at 300 dpi resolu- To be announced at the COMP Medical Physics Dept. tion are preferred. Durham Regional Cancer Centre 2010 AGM 1 Hospital Court All contents of the Newsletter are copyright of Oshawa, ON L1G 2B9 Canadian Organization of Medical Physicists Treasurer: Tel. (905) 576-8711 ext 2816 and the Canadian College of Physicists in Medi- Fax: (905) 721-6102 William Ziegler, Ph.D. cine. Please do not reproduce without permis- [email protected] Allan Blair Cancer Centre sion. Regina, SK Tel: (306) 766-2329 Chief Examiner: ADVERTISING (both corporate and job) [email protected] Robert Corns, Ph.D., FCCPM enquiries can be made to: BC Cancer Agency, Fraser Valley Centre COMP/CCPM Office Councillor for Communications: Medical Physics P.O. Box 72024 13750-96 Avenue Kanata North RPO Tony Popescu, Ph.D., MCCPM Surrey, BC, V3V 1Z2 Ottawa, ON, K2K 2P4 BC Cancer Agency — Vancouver Tel: (604) 930-4055 x654558 Canada Vancouver, BC Fax: (604) 930-4042 Telephone:(613) 599-3491 Tel: (604) 877-6000 ext. 2046 [email protected] Facsimile: (613) 599-1949 [email protected] E-mail: [email protected] Councillor for Professional Deputy Chief Examiner: Website: www.medphys.ca Boyd McCurdy, Ph.D., FCCPM Affairs: Div. of Medical Physics Joseph E. Hayward, Ph.D., MCCPM CancerCare Manitoba Juravinski Cancer Centre, 675 McDermot Avenue Hamilton, ON Winnipeg, MB R3E 0V9 Tel: (905) 387-9711 Ext: 67040 Tel: (204) 787-1966 Corporate Advertising [email protected] Fax: (204) 775-1684 1/2 page 1 Addn. [email protected] page pages Councillor for Radiation Safety Secretary-Treasurer: & Technical Standards Advisory Member Sherry Connors., M.Sc., FCCPM Announcement $120 $120 Jean-Pierre Bissonnette PhD, MCCPM Dept. Medical Physics Princess Margaret Hospital Cross Cancer Institute Corporate Toronto, ON 11560 University Ave Member $180 $240 $120 Tel: 416.946.4501 ext: 2151 Edmonton, AB, T6G 1Z2 Non Profit [email protected] Tel: (780) 432-8775 Organisation $270 $360 $150 Fax: (780) 432-8615 Councillor for Science & [email protected] Corporate Non- Member $360 $480 $240 Education General Board Members: Marco Carlone PhD, MCCPM Color Add $480 (when available) Princess Margaret Hospital To be determined at the CCPM Toronto, ON 2010 AGM Tel: 416.946.4501 ext: 2409 Job Advertising Options [email protected] COMP/CCPM Office OPTION 1 ($240): Job posting on COMP/ CCPM website only (updated monthly) P.O. Box 72024 Kanata North RPO Ottawa, ON, K2K 2P4 OPTION 2 ($360): Job posting on COMP/ Canada CCPM website AND in InterACTIONS Telephone:(613) 599-3491 (single page) Facsimile: (613) 599-1949 OPTION 3 ($400): Job posting is immediately e E-mail: [email protected] -mailed to COMP/CCPM members (no website Website: www.medphys.ca or InterACTIONS posting) 72 56(3) juillet/July Canadian Medical Physics Newsletter / Le bulletin canadien de physique médicale Message from the COMP President Welcome to this, my inaugural message professional organization. as COMP President. As I write I am dis- Now to the point: COMP cannot exist or covering my very first challenge: the function without the active participation most significant annual event in the of its Members. While the Executive COMP calendar, the Annual Scientific Director certainly facilitates and enables, Meeting (ASM), will commence in a the Members are the content specialists week or two and this article will not be and must be engaged. Moreover, Medi- published until a week or two following. cal Physicists constitute a particularly While I have thoughts of encouraging small community. As a consequence, you to attend the Annual General Meet- relative to sister organizations, a dispro- ing, to diligently review the background portionate effort is needed from all material to motions that will be brought Members in order to optimally engage forward, and to be prepared to bring for- the professional challenges that we face. ward your own ideas (which I do hope is We need to engender a culture where indeed what has transpired), such being a Member of COMP is more than thoughts can only be considered very paying fees and participating in the occa- early encouragement for 2011. Malcolm sional ASM. Far too often Board ap- McEwen and the Ottawa Local Arrange- pointments are essentially made by ac- ments Committee (LAC) look to have clamation. We have quite detailed by- put together an outstanding program and, laws regarding how to conduct an elec- while I look forward to an exciting and tion, and I cannot recall the last time they Dr. Peter McGhee stimulating meeting, I hope that those of were actually exercised. Would the or- you who have attended found it to be so. ganization not benefit from hearing two COMP President As my first opportunity to open what I or more individuals speak as to why they hope will be an ongoing dialogue, one would like a particular position, to offer able for continuing education. Please initial theme that I do want to take a mo- different visions of the direction in which weigh into this consideration if you have ment to highlight, and one that is cer- they would like to see COMP evolve? an opinion. By now Joe Hayward and the tainly not new, is that the Membership is Case in point, I wonder how many of Professional Affairs Committee should the lifeblood of COMP: COMP only you have any idea why I would want to be reporting glowingly about how you functions because of the voluntary ef- be the incoming President. (It’s ok ALL completed the Professional Survey, forts invested by its Members. I have though, looks like you will have no and they would also like to continue to been involved with COMP for much choice but to find out.) I am not at all encourage those with interest to get in- longer than I am willing to admit, my sure what the prospects are but, by the volved with the Bone Mineral Densi- first role with the Executive (now Board) end of my term, I do hope that COMP tometry accreditation process being being appointment as Councillor for Pro- has grown sufficiently that Members are sponsored by the Canadian Association fessional Affairs in 2003.