| Yazarlar |
Metin Halac
|
|
Mehmet H. Yılmaz
|
|
Kerim Sonmezoglu
|
|
Sait Sager
|
|
Harun Ozer
|
|
Dogan Yasar
|
|
Bayram Demir
|
|
Bedii Kanmaz
|
|
Ilhami Uslu
|
| Özet |
| Background The combined positron emission tomography (PET) and computed tomography (CT) scanners have been developed in which CT data can be used for both anatomical landmarks and attenuation correction of PET images. However, this modality potentially introduces more radiation burden to patients compared to conventional PET scanning as a result of the added radiation exposure received from CT examination. The purpose of our study was to determine the breast radiation doses of combined PET/CT examination. Material and methods Patients' superficial breast doses were calculated using thermoluminescence dosimeters (TLDs) placed onto the surface of the breasts. TLDs were positioned before FDG injection and removed after 24 h. We also determined the average superficial and glandular breast radiation doses from the anthropomorphic dosimetric phantom imaged using similar CT protocol (low dose) to the patients' study. Results The mean superficial breast dose of the breast skin measured from the PET/CT studies was 14.42 +/- 2.41 mGy. The average superficial and glandular breast doses of the anthropomorphic phantom measured from the low-dose CT was 9.50 mGy and 5.94 mGy, respectively. Conclusion This study showed that radiation exposure to the breasts during PET/CT was higher than the recommended doses. Therefore, combined PET/CT scanning must be used for essential indications, particularly in women of reproductive age and preferentially a low-dose CT protocol should be implemented to avoid overexposure in such patients. |
| Anahtar Kelimeler |
| Makale Türü | Özgün Makale |
| Makale Alt Türü | SSCI, AHCI, SCI, SCI-Exp dergilerinde yayımlanan tam makale |
| Dergi Adı | Nuclear Medicine Communications |
| Dergi ISSN | 0143-3636 |
| Dergi Tarandığı Indeksler | SCI |
| Makale Dili | İngilizce |
| Basım Tarihi | 01-2007 |
| Cilt No | 28 |
| Sayfalar | 924 / 928 |
