The Predictive Value of Tumor Size, Volume, and Markers During Radiation Therapy in Patients With Cervical Cancer
- Authors
- Lee, Kyu Chan; Kim, Hun Jung; Sung, KiHoon; Choi, Young Eun; Lee, Seok Ho; Lim, Soyi; Lee, Kwang Beom; Shin, Jin Woo; Park, Chan Yong; Kim, Young Saing; Sym, Sun Jin; Shim, Young Sup; Choi, Seung Joon
- Issue Date
- Jan-2017
- Publisher
- LIPPINCOTT WILLIAMS & WILKINS
- Keywords
- Cervix cancer; Radiation therapy; Tumor volume; Squamous cell carcinoma antigen
- Citation
- INTERNATIONAL JOURNAL OF GYNECOLOGICAL CANCER, v.27, no.1, pp.123 - 130
- Journal Title
- INTERNATIONAL JOURNAL OF GYNECOLOGICAL CANCER
- Volume
- 27
- Number
- 1
- Start Page
- 123
- End Page
- 130
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/6512
- DOI
- 10.1097/IGC.0000000000000837
- ISSN
- 1048-891X
- Abstract
- Objectives: We investigated the prognostic significance of changes in primary tumor volume and serum squamous cell carcinoma antigen (SCC-ag) levels during radiation therapy (RT) in patients with cervical cancer. Methods: We conducted a review of 40 patients treated with RT. All patients received external beam RT and intracavitary brachytherapy. The primary tumor volume and squamous cell carcinoma antigen levels were measured pre-RT and mid-RT. Overall survival (OS) and progression free survival (PFS) were estimated, and possible prognostic factors for survival were analyzed. Results: The correlation coefficient between primary tumor volume reduction rate (pTVRR) and serum squamous cell carcinoma antigen reduction rate in all patients was 0.550 (P < 0.001). In univariate analysis, stage more than II (P<0.001), pre-RT pTV of 55 cm(3) or more (P = 0.05), mid-RT tumor size of 4 cm or more (P = 0.004), and pTVRR of 90% or less (P = 0.031) were significant unfavorable prognostic factors for PFS, whereas stage (P = 0.009) was the only significant prognostic factor for OS. Multivariable analysis revealed that none of these factors were independently associated with PFS or OS. Conclusions: There was a significant correlation between pTVRR and squamous cell carcinoma antigen reduction rate. Our findings indicate that the tumor parameters such as pre-RTpTV, mid-RT tumor size, and pTVRR are associated with PFS in women with cervical cancer.
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