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Possibilities of using radiotherapy in the treatment of vaginal recurrence in patients with uterine cancers

Marta Biedka1,2, Tamara Kuźba-Kryszak2, Krzysztof Koper3

Affiliacja i adres do korespondencji
Curr Gynecol Oncol 2016, 14 (4), p. 222–230
DOI: 10.15557/CGO.2016.0027
Streszczenie

A major problem in cancer treatment is disease recurrence, i.e. a situation in which the standard procedures turned out to be ineffective and the previously used therapy significantly limits its next use. Vaginal recurrence is found in 2.4–15% of patients with uterine cancer. For large recurrent tumors radical treatment involves surgical pelvic exenteration. However, indications for this procedure are significantly limited; in addition, it is associated with a high risk of complications and a significantly compromised quality of life. For this reason, brachytherapy and/or another course of radiotherapy are administered, which until recently were used as a further-line treatment option or as palliative care. Over the last few years extension of indications for radiotherapy and brachytherapy has been noted due to the dynamic development of new techniques for planning and conducting treatment. These allow for the irradiation of the target volume which causes radiation-related reactions that are acceptable for the patient while protecting critical organs. The introduction of new therapeutic devices allowed for the use of different treatment techniques, including intensity-modulated radiation therapy, image-guided radiotherapy, RapidArc, tomotherapy, intraoperative radiotherapy and stereotactic body radiotherapy, which contributed to a significant increase in the role of repeat radiotherapy. One needs to remember about the possibilities of systemic treatment, although it is usually palliative in nature. Brachytherapy may be considered for the treatment of recurrent disease if the lesions are located in the region of the vagina or vaginal stump or if infiltration is found in the parametria; in other situations treatment combined with external beam radiotherapy should always be considered. The choice of brachytherapy method depends on the location of the lesion and the extent of infiltration. If the infiltration is up to 5 mm deep, intracavitary brachytherapy is performed. If the infiltration is deeper, the use of interstitial brachytherapy is indicated.

Słowa kluczowe
vaginal stump, recurrence, radiotherapy, brachytherapy