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KMID : 1137020230340030028
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Journal of Gynecologic Oncology
2023 Volume.34 No. 3 p.28 ~ p.28
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Risk factors for lower extremity lymphedema after surgery in cervical and endometrial cancer
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Lee Joon-Gyo
Byun Hwa-Kyung
Im Sang-Hee
Son Won-Jeong
Roh Yun-Ho
Kim Yong-Bae
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Abstract
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Objective: Lower extremity lymphedema (LEL) is a well-known adverse effect related to cervical and endometrial cancer (CEC); however, very few studies have elucidated the clinicopathologic risk factors related to LEL. We investigated the incidence and risk factors in patients who received primary surgery and/or adjuvant radiotherapy (RT) or chemotherapy for CEC.
Methods: We retrospectively reviewed 2,565 patients who underwent primary surgery following CEC diagnosis between January 2007 and December 2020. LEL diagnosis was based on objective and subjective assessments by experts. We identified important predictors of LEL to construct a nomogram predicting individual risks of LEL. For internal validation of the nomogram, the original data were separated using the split-sample method in a 7:3 ratio of training data and test data.
Results: Overall, 858 patients (33.5%) received RT, 586 received external beam RT (EBRT), and 630 received intracavitary RT. During follow-up period, LEL developed in 331 patients, with an overall cumulative 5-year incidence of 13.3%. In multivariate analysis, age at primary treatment, use of docetaxel-based chemotherapy, type of hysterectomy, type of surgical pelvic lymph node (LN) assessment, number of dissected pelvic and para-aortic LNs, and EBRT field were the independent predictors of LEL. We subsequently developed the nomogram showing excellent predictive power for LEL.
Conclusion: LEL is associated with various treatment modalities, and their interactions may increase the possibility of occurrences. De-escalation strategies for treatment modalities should be considered to reduce LEL in patients with CEC.
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KEYWORD
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Radiotherapy, Cervical Cancer, Endometrial Cancer, Lymphedema, Risk Factor
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