Tumor dose specification of I-125 seed implants
Journal Article
·
· Med. Phys.; (United States)
A new calculation procedure for interstitial implants with I-125 seeds is presented. The total activity of I-125 seeds required to deliver a net minimum dose of 1 Gy is also given as a function of implant volume for various seed spacings. This will permit clinicians to prescribe a specific dose for patients as a primary or boost treatment. Elongation and shape corrections are studied. Discussions and comparisons with other dosimetric calculations such as ''matched'' peripheral dose, average minimum dose, and minimum peripheral dose are made. The results indicate that for a fixed total activity the net minimum dose is relatively insensitive to variations in seed spacing and individual seed activity.
- Research Organization:
- Medical Physics Division, Department of Therapeutic Radiology, Tufts--New England Medical Center, Boston, Massachusetts 02111
- OSTI ID:
- 6145843
- Journal Information:
- Med. Phys.; (United States), Journal Name: Med. Phys.; (United States) Vol. 12:1; ISSN MPHYA
- 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
CARCINOMAS
DAYS LIVING RADIOISOTOPES
DISEASES
DOSE RATES
DOSIMETRY
ELECTRON CAPTURE RADIOISOTOPES
GLANDS
IMPLANTS
INTERMEDIATE MASS NUCLEI
INTERNAL IRRADIATION
IODINE 125
IODINE ISOTOPES
IRRADIATION
ISOTOPES
MALE GENITALS
MEDICINE
NEOPLASMS
NUCLEAR MEDICINE
NUCLEI
ODD-EVEN NUCLEI
ORGANS
PROSTATE
RADIATION DOSE DISTRIBUTIONS
RADIATION SOURCE IMPLANTS
RADIATION SOURCES
RADIOISOTOPES
RADIOLOGY
RADIOTHERAPY
TEMPORAL DOSE DISTRIBUTIONS
THERAPY
655003* -- Medical Physics-- Dosimetry
BETA DECAY RADIOISOTOPES
BODY
CARCINOMAS
DAYS LIVING RADIOISOTOPES
DISEASES
DOSE RATES
DOSIMETRY
ELECTRON CAPTURE RADIOISOTOPES
GLANDS
IMPLANTS
INTERMEDIATE MASS NUCLEI
INTERNAL IRRADIATION
IODINE 125
IODINE ISOTOPES
IRRADIATION
ISOTOPES
MALE GENITALS
MEDICINE
NEOPLASMS
NUCLEAR MEDICINE
NUCLEI
ODD-EVEN NUCLEI
ORGANS
PROSTATE
RADIATION DOSE DISTRIBUTIONS
RADIATION SOURCE IMPLANTS
RADIATION SOURCES
RADIOISOTOPES
RADIOLOGY
RADIOTHERAPY
TEMPORAL DOSE DISTRIBUTIONS
THERAPY