Department of Medical Physics

University of Wisconsin - School of Medicine and Public Health

Madison, Wisconsin

Medical Physics Seminar - Monday, February 18, 2008


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Brachytherapy Facility Shielding

Glenn P. Glasgow, M.S. Ph.D., F.A.A.P.M., F.A.C.R

Professor Emeritus, Department of Radiation Oncology

Loyola University Chicago Stritch School of Medicine

Maywood, IL 60305

Originally Presented at the AAPM 2007 Summer School

Shielding Methods for Medical Facilities:  Diagnostic Imaging, PET, and Radiation Therapy

St. John's University, Collegeville, MN, July 27-29, 2007

Second Presentation at University of Wisconsin, Madison, WS Feb 18, 2008

Neither NCRP Report 147, Structural Shielding Design for Medical X-Ray Imaging Facilities nor NCRP Report 151, Structural Shielding Design and Evaluation for Megavoltage X- and Gamma-Ray Radiotherapy Facilities addresses brachytherapy facility shielding. This presentation reviews new shielding data (TVLs) for 103Pd, 131Cs, 169Yb,  170Tm (Thulium), and 192Ir, reviews typical workloads for high-dose-rate (HDR) facilities, compares textbook recommended HDR vault shielding designs to those recently reported in the literature, and investigates HDR maze scatter using the methodology described in NCRP 151 for linear accelerators. The data and subsequent representative calculations represent the current “state-of-the-art” of brachytherapy facility shielding.

Location: 1335 Health Sciences Learning Center (HSLC)

Time:  4:00pm-5:00pm

Refreshments will be provided prior to the talk


last modified: 02/05/2008/jk

QUICK LINKS: [Medical Physics Home Page] [Seminar Home Page]