WO2001085252A3 - A method and apparatus for radiotherapy treatment planning - Google Patents

A method and apparatus for radiotherapy treatment planning Download PDF

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Publication number
WO2001085252A3
WO2001085252A3 PCT/US2001/014556 US0114556W WO0185252A3 WO 2001085252 A3 WO2001085252 A3 WO 2001085252A3 US 0114556 W US0114556 W US 0114556W WO 0185252 A3 WO0185252 A3 WO 0185252A3
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WO
WIPO (PCT)
Prior art keywords
monte carlo
accurate
denoising
computationally efficient
applies
Prior art date
Application number
PCT/US2001/014556
Other languages
French (fr)
Other versions
WO2001085252A2 (en
Inventor
Joseph O Deasy
M Victor Wickerhauser
Original Assignee
Univ Washington
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ Washington filed Critical Univ Washington
Priority to AU2001259524A priority Critical patent/AU2001259524A1/en
Publication of WO2001085252A2 publication Critical patent/WO2001085252A2/en
Publication of WO2001085252A3 publication Critical patent/WO2001085252A3/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/103—Treatment planning systems
    • A61N5/1031—Treatment planning systems using a specific method of dose optimization
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/103—Treatment planning systems
    • A61N5/1031—Treatment planning systems using a specific method of dose optimization
    • A61N2005/1034—Monte Carlo type methods; particle tracking

Abstract

A computationally efficient and accurate procedure for calculating radiation dose distributions within a volume of interest in a patient incorporating variations in patient density and source particle energy, position, direction, and type. The procedure iteratively simulates energy depositions from source particles using the Monte Carlo radiation transport method and then applies methods for reducing noise inherent in Monte Carlo results to obtain an accurate and computationally efficient representation of an actual radiation dose distribution compared to that produced by Monte Carlo methods alone. The invention makes an analogy between real measured data and transformed Monte Carlo generated computer data and then applies data denoising techniques to reduce the noise in the Monte Carlo dose images. Conversely, the present invention can produce a dose distribution having a predetermined noise level in a reduced amount of computation time. Denoising techniques can include digital filtering, wavelet denoising, kernel smoothing and non-parametric regression smoothing.
PCT/US2001/014556 2000-05-05 2001-05-07 A method and apparatus for radiotherapy treatment planning WO2001085252A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001259524A AU2001259524A1 (en) 2000-05-05 2001-05-07 A method and apparatus for radiotherapy treatment planning

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US20195900P 2000-05-05 2000-05-05
US60/201,959 2000-05-05

Publications (2)

Publication Number Publication Date
WO2001085252A2 WO2001085252A2 (en) 2001-11-15
WO2001085252A3 true WO2001085252A3 (en) 2002-05-23

Family

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PCT/US2001/014556 WO2001085252A2 (en) 2000-05-05 2001-05-07 A method and apparatus for radiotherapy treatment planning

Country Status (3)

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US (1) US6792073B2 (en)
AU (1) AU2001259524A1 (en)
WO (1) WO2001085252A2 (en)

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Also Published As

Publication number Publication date
US20020027971A1 (en) 2002-03-07
AU2001259524A1 (en) 2001-11-20
US6792073B2 (en) 2004-09-14
WO2001085252A2 (en) 2001-11-15

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