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    Awareness Level of Cervical Cancer Patients Referred to Radiation Oncology Outpatient Clinics-A Multicenter Study
    (Lippincott Williams & Wilkins, 2024) Altinok, Pelin; Ergen, Sefika Arzu; Guzeloz Capar, Zeliha; Canyilmaz, Emine; Akgun, Zuleyha; Serin, Meltem; Akbas, Canan
    ObjectiveThe study aimed to assess the level of knowledge of patients with cervical cancer referred to radiation oncology outpatient clinics in Turkey regarding screening methods and human papillomavirus (HPV) vaccination and increase social awareness based on the findings.MethodsA descriptive cross-sectional survey was conducted from January to June 2022 involving 300 patients in various regions. Data on demographics, cervical cancer screening and HPV vaccination knowledge, and recommendations to relatives were collected through a questionnaire-based interview. Univariate logistic regression analyzed the impact of independent variables on knowledge levels.ResultsAmong the participants, 57% were unaware of cervical cancer screening, and 66% had no knowledge of the HPV vaccine. Higher knowledge levels were associated with higher education, older age at marriage and first birth, and previous gynecological checkups. Lower knowledge levels were observed in patients treated at state institutions, with no formal education, and diagnosed with cervical cancer at age 60 or older. A significant inverse correlation was found between knowledge levels and the stage of cancer at diagnosis, with higher awareness in earlier stages.ConclusionThe study revealed limited awareness among cervical cancer patients in Turkey regarding screening and HPV vaccination. Lower knowledge levels were associated with specific demographic factors, emphasizing the importance of targeted educational campaigns to reduce the burden of cervical cancer and promote early detection. Efforts to enhance vaccination coverage and encourage early screening can significantly improve outcomes. Comprehensive awareness surveys are essential in guiding policymaking and implementing effective early detection and prevention strategies for cervical cancer.
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    Risk factors of radiation pneumonitis in patients with NSCLC treated with concomitant chemoradiotherapy--Are we underestimating diabetes?--Turkish oncology group (TOG)/Lung cancer study group
    (Wiley, 2020) Ergen, Sefika A.; Dincbas, Fazilet O.; Yucel, Birsen; Altinok, Pelin; Akyurek, Serap; Kirakli, Esra Korkmaz; Ulger, Sukran
    Introduction To evaluate the clinical and dosimetric parameters that increase the risk of radiation pneumonitis (RP) in locally advanced non-small cell lung cancer (NSCLC) patients treated with concomitant chemoradiotherapy of nationwide multicentric data analysis. Methods All data of 268 patients who underwent definitive chemoradiotherapy were retrospectively collected from eight institutes participating in this study. Patient, tumor and treatment-related factors and dosimetric parameters were analyzed for grade >= 2 RP. The toxicity scoring system of The Radiation Therapy Oncology Group used for grading the severity of pneumonitis. A relationship with the risk of RP with potential predictive factors were evaluated by univariate and multivariate analyses. A recursive partition analysis (RPA) was applied to stratify patients according to the risk of developing RP. Results There were 90 (33.6%) patients who had grade >= 2 RP. The median time to pneumonitis after treatment was 4 months (range:1-6 months). In univariate analysis, diabetes mellitus (DM), use of cisplatin/etoposide, total and daily radiotherapy (RT) fraction dose, the planning target volume (PTV) size, mean lung dose, V5, V10 and RT technique were associated with the development of pneumonitis. In multivariate analysis, only DM (P = 0.008) was found to be independent risk factors for RP. According to RPA, the risk of developing RP was highest in patients with DM. Conclusions In our study, besides the known dosimetric factors, DM was found to be the most important risk factor causing RP development in multivariate analysis and RPA. The risk is tripled compared to patients without DM.