Mailed thermoluminescent dosimeter determination of entrance skin exposure and half-value layer in mammography
| Autor: | John F. Wochos, Gary D. Fullerton, L. A. DeWerd |
|---|---|
| Rok vydání: | 1978 |
| Předmět: |
Dosimeter
medicine.diagnostic_test business.industry General Medicine Thermoluminescence Optics Cesium Radioisotopes Thermoluminescent Dosimetry Ionization chamber Calibration Medicine Mammography Humans Radiology Nuclear Medicine and imaging Thermoluminescent dosimeter business Nuclear medicine Half-value layer Skin |
| Zdroj: | AJR. American journal of roentgenology. 131(4) |
| ISSN: | 0361-803X |
| Popis: | A method of providing in vivo measurement of entrance skin exposure for mammography using mailed thermoluminescent dosimeters has been developed. The dosimeters are calibrated to 137Cs (662 keV), and a correction is applied to account for energy response. A mailed dosimeter packet which can be used to measure the half-value layer at mammography energies is also described. The results for both systems agree well (to within 10%) with careful ion chamber determinations. These dosimeter measurements provide a simple. Inexpensive means to reliably determine exposure and to monitor machine parameters on a periodic basis. |
| Databáze: | OpenAIRE |
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