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Τετάρτη 10 Μαΐου 2017

General health status of long-term cervical cancer survivors after radiotherapy

Abstract

Purpose

To evaluate the global health status of long-term cervical cancer survivors (LCCS) who survived for more than 4 years after curative radiation treatment (RT).

Patients and methods

Medical records of 562 women treated with RT in our institution between 2003 and 2010 were reviewed. Excluding 259 women who died of disease or were lost to follow-up, disease status and late morbidities were evaluated in 303 LCCS. Quality of life (QoL) was analyzed in 168 LCCS using a questionnaire from the European Organization for the Research and Treatment of Cancer, and the results were compared with an age-matched healthy Korean female population.

Results

Median follow-up was 6.8 years (range 4.1–12.5 years). There were 14 deaths (7 cancer specific) and 14 recurrences (5 local recurrences and 9 distant metastases). The median time to recurrence was 6.0 years (range 4.1–8.2 years). Grade ≥2 late toxicities were frequently observed in the bladder (19%) and small/large intestine (15%). Multivariate analysis revealed a higher rate of late toxicity in patients aged ≥51 years at diagnosis (small/large intestine: hazard ratio, HR, 2.5 [1.2–5.5]; bladder: HR 2.4 [1.3–4.5]; and bone: HR 4.3 [1.2–15.8]) than patients aged <51 years. Compared to the general population, LCCS exhibited a significantly higher rate of body image concerns, sexual dysfunction, lymphedema, and peripheral neuropathy.

Conclusion

New recurrences occurred in 5% of LCCS and grade ≥2 treatment-related morbidities were present in 33%. A significant proportion of LCCS also showed decreased cervical-cancer-specific QoL. These results suggest the need for long-term surveillance and follow-up care for LCCS.



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