Dosimetry and physical treatment planning for iodine eye plaque therapy
Journal Article
·
· International Journal of Radiation Oncology, Biology and Physics; (USA)
- Alfried Krupp Krankenhaus, Essen, (F.R.Germany)
The dosimetry of eye plaques loaded with iodine-125 seeds (type 6702) was performed by means of computer calculations and measurements with thermoluminescent dosimeters (TLD). Measurements of the depth dose distribution (2-25.5 mm) along the transverse axis of a single seed were performed in water equivalent phantom material. The transverse axis attenuation and geometry factor F(r) was obtained by applying a least squares fit to the measured data. Based on the resulting radial dose function, a computer program was developed which calculates dose distributions within the eye for arbitrary loading and placement of the eye plaque. The computational results were verified by TLD measurements in an eye phantom.
- OSTI ID:
- 5734921
- Journal Information:
- International Journal of Radiation Oncology, Biology and Physics; (USA), Journal Name: International Journal of Radiation Oncology, Biology and Physics; (USA) Vol. 20:5; ISSN IOBPD; ISSN 0360-3016
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
61 RADIATION PROTECTION AND DOSIMETRY
655003* -- Medical Physics-- Dosimetry
BETA DECAY RADIOISOTOPES
BODY
BODY AREAS
COMPUTER CODES
DAYS LIVING RADIOISOTOPES
DEPTH DOSE DISTRIBUTIONS
DISEASES
DOSIMETRY
ELECTRON CAPTURE RADIOISOTOPES
EYES
FACE
HEAD
HYDROGEN COMPOUNDS
IMPLANTS
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
IODINE 125
IODINE ISOTOPES
ISOTOPES
LEAST SQUARE FIT
MATERIALS
MAXIMUM-LIKELIHOOD FIT
MEDICINE
MOCKUP
NEOPLASMS
NUCLEAR MEDICINE
NUCLEI
NUMERICAL SOLUTION
ODD-EVEN NUCLEI
ORGANS
OXYGEN COMPOUNDS
PHANTOMS
PLANNING
RADIATION DOSE DISTRIBUTIONS
RADIATION SOURCE IMPLANTS
RADIATION SOURCES
RADIOISOTOPES
RADIOLOGY
RADIOTHERAPY
SENSE ORGANS
SPATIAL DOSE DISTRIBUTIONS
STRUCTURAL MODELS
THERAPY
THERMOLUMINESCENT DOSIMETRY
TISSUE-EQUIVALENT MATERIALS
WATER
655003* -- Medical Physics-- Dosimetry
BETA DECAY RADIOISOTOPES
BODY
BODY AREAS
COMPUTER CODES
DAYS LIVING RADIOISOTOPES
DEPTH DOSE DISTRIBUTIONS
DISEASES
DOSIMETRY
ELECTRON CAPTURE RADIOISOTOPES
EYES
FACE
HEAD
HYDROGEN COMPOUNDS
IMPLANTS
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
IODINE 125
IODINE ISOTOPES
ISOTOPES
LEAST SQUARE FIT
MATERIALS
MAXIMUM-LIKELIHOOD FIT
MEDICINE
MOCKUP
NEOPLASMS
NUCLEAR MEDICINE
NUCLEI
NUMERICAL SOLUTION
ODD-EVEN NUCLEI
ORGANS
OXYGEN COMPOUNDS
PHANTOMS
PLANNING
RADIATION DOSE DISTRIBUTIONS
RADIATION SOURCE IMPLANTS
RADIATION SOURCES
RADIOISOTOPES
RADIOLOGY
RADIOTHERAPY
SENSE ORGANS
SPATIAL DOSE DISTRIBUTIONS
STRUCTURAL MODELS
THERAPY
THERMOLUMINESCENT DOSIMETRY
TISSUE-EQUIVALENT MATERIALS
WATER