Tuesday, January 15, 2013

Oncological CT Follow Up-Linked to Second Cancer Induction

In a study published in Health Phys. 104(1):1–8; 2013, authors evaluate the risk of second cancer developing after CT follow ups. 

" The goal of establishing prompt localization of the malignant spread or recurrence of a tumor has found a powerful solution in the definition of follow-up protocols, which include the indication for CT scans on an annual or semiannual basis. In the case of long-surviving patients, however, this approach will lead to a considerable integrated dose level over a period of several years after recovery from the illness.  According to Calandrino, R et al, the evaluated absolute additional risk of second tumor induction ranges between 0.1% and 10%, depending primarily on age and pathology. These results depict this additional risk as an issue of significant importance for clinical practice. "


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