INTERLEAVED TISSUE EQUIVALENT PHANTOM FOR RADIOTHERAPY

Award Information
Agency:
Department of Health and Human Services
Branch
n/a
Amount:
$49,894.00
Award Year:
1992
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Award Id:
19020
Agency Tracking Number:
19020
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
2 Research Court, Rockville, MD, 20850
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Peter K Soltani
(301) 258-2701
Business Contact:
() -
Research Institution:
n/a
Abstract
PRE-TREATMENT PLANNING IN RADIATION ONCOLOGY INVOLVED THE ACCURATE DETERMINATION OF ABSORBED DOSE WITHIN TISSUE EQUIVALENT PHANTOMS PROIR TO PATIENT TREATMENT. CURRENTLY, LIF TLD'S ARE USED FOR SINGLE-POINT ABSORBED DOSE MEASUREMENTS WITHIN PHANTOMS AND RADIOGRAPHIC FILM, WHICH CAN BE INTERLEAVED WITH THE PHANTOMS, IS USED TO MAP THE LATERAL DOSE DISTRUBUTION. HOWEVER, BOTH TECHNIQUES EXHIBIT LIMITATIONS, INCLUDING POTENTIAL INACCURACIES IN THE MEASURED DATA, AND THE AMOUNT OF TIME REQUIRED TO PROPERLY MAP THE DOSE DISTRIBUTION WITHIN THE PHANTOM. IN ORDER TO OVERCOME THE LIMITATIONS OF BOTH TLD'S AND FILM, A NEW TECHNOLOGY WILL BE USED FOR INVESTIGATION. IT INVOLVES INTERLEAVING A NEW LOW Z PHOTOSTIMULABLE STORAGE PHOSPHOR WITHIN TISSUE EQUIVALENT PHANTOMS. WITH THIS APPROACH, IT WILL BE POSSIBLE TO RAPIDLY AND ACCURATELY DETERMINE DEPTH-DOSE AND LATERAL-DOSE DISTRIBUTIONS WITHIN PHANTOMS. IN ADDITION, THE PROPERTIES OF THE STORAGE PHOSPHOR WILL ALLOW FOR RAPID DIGITAL ACQUISITION OF ABSORBED DOSE AND DIGITAL MAPPING OF ABSORBED DOSE.

* information listed above is at the time of submission.

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