Radiation therapy plays an increasingly important role in the management of cancer. Currently, more than 50% of all cancer patients can expect to receive radiotherapy during the course of their disease, either in a primary management (radical or adjuvant radiotherapy) or for symptom control (palliative radiotherapy). Radiation oncology is a very unique branch of medicine connected with clinical knowledge and also with medical physics. In recent years, this approach has become increasingly absorbed with technological advances. This increasing emphasis on technology, together with other important changes in the health-care economic environment, now place the specialty of radiation oncology in a precarious position. New treatment technologies are evolving at a rate unprecedented in radiation therapy, paralleled by improvements in computer hardware and software. These techniques allow assessment of changes in the tumour volume and its location during the course of therapy (interfraction motion) so that re-planning can adjust for such changes in an adaptive radiotherapy process. If radiation oncologists become simply the guardians of a single therapeutic modality they may find that time marches by and, while the techniques will live on, the specialty may not. This article discusses these threats to the field and examines strategies by which we may evolve, diversify, and thrive.
Objectives: The aim of this study was to present strategy and early results of treatment of advanced cervical cancer patients with synchronous cancers observed in PET-CT imaging, treated at the Greater Poland Cancer Center.
Material and methods:The study included a group of 200 patients with diagnosed stage IIB-IIIB cervical cancer who received PET-CT for the purpose of radiotherapy treatment planning.Results: Among our study group, four patients (2%) were found to have a synchronous cancer. Two of the cases were diagnosed as breast cancer. However, cancers diagnosed in the other two patients were head and neck malignancies -hypopharyngeal and laryngeal cancer. The choice of an optimal therapeutic approach requires taking into account characteristics of particular malignancies, their stage and histopathology. The whole therapy included radiotherapy of cervical cancer with various combinations of systemic treatment, radiotherapy or surgery of synchronous cancer. According to treatment results, patients diagnosed with breast cancer and hypopharyngeal cancer achieved complete remission of both primary and secondary tumour. Patient diagnosed with laryngeal malignancy, despite achieving complete remission of cervical cancer, finished radiotherapy of the synchronous cancer at a palliative dose.
Conclusions:The growing availability of PET-CT and other imaging methods in cancer diagnosis will increase the number of diagnosed synchronous cancers. Second primary cancers are often detected at an early stage, where radical treatment can be performed for both primary and secondary tumour. However, treatment of such complicated clinical cases as synchronous cancers should be carried out by multidisciplinary teams.
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