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논문 기본 정보

자료유형
학술저널
저자정보
김동연 (서울대학교병원) 우홍균 (서울대학교병원) 김진호 (서울대학교병원) 이주호 (서울대학교병원) 안순현 (서울대학교) 정은재 (서울대학교) 엄근용 (분당서울대병원) 정영호 (분당서울대병원 (Otorhinolaryngology-Head and Neck Surgery)) 정우진 (분당서울대병원) 권택균 (서울대학교) 김수지 (서울특별시보라매병원) 위찬우 (서울특별시보라매병원)
저널정보
대한암학회 Cancer Research and Treatment Cancer Research and Treatment 제54권 제2호
발행연도
2022.4
수록면
406 - 416 (11page)
DOI
10.4143/crt.2021.441

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Purpose This study aimed to compare the outcomes of primary radiotherapy (RT) versus surgery in early-stage human papilloma virus?positive oropharyngeal squamous cell carcinoma (hpv+OPC), and investigate the preoperative clinical factors that can predict the requirement for postoperative adjuvant treatment.Materials and Methods This multicenter study included 166 patients with American Joint Committee on Cancer 8th edition-Stages I-II hpv+OPC. Sixty (36.1%) and 106 (63.9%) patients underwent primary (concurrent chemo)radiotherapy [(CC)RT] and surgery, respectively. Seventy-eight patients (73.6%) in the surgery group received postoperative (CC)RT.Results With a median follow-up of 45.6 months for survivors, the 2-year overall survival (OS), progression-free survival (PFS), and locoregional control (LC) for RT/surgery were 97.8%/96.4%, 91.1%/92.0%, and 92.9%/93.3%, respectively. In multivariate analyses, patients with synchronous radiologic extranodal extension and conglomeration (ENEcong) of metastatic lymph nodes (LNs) showed significantly poorer OS (p=0.047), PFS (p=0.001), and LC (p=0.003). In patients undergoing primary surgery, two or more clinically positive LN metastases (odds ratio [OR], 5.15; p=0.004) and LN metastases with ENEcong (OR, 3.75; p=0.009) were predictors of postoperative chemoradiotherapy. No patient in the primary RT group demonstrated late severe toxicity whereas three (2.8%), one (0.9%), and one (0.9%) patient in the surgery group showed grade 3 dysphagia, grade 3 xerostomia, and fatal oral cavity bleeding.Conclusion We found no differences in OS, PFS, and LC between upfront RT and surgery in stage I-II hpv+OPC which warrants comparison through a prospective trial in the treatment de-escalation era. However, most early-stage hpv+OPC patients undergoing surgery received adjuvant (CC)RT. Pretreatment LN findings were prognostic and predictive for adjuvant treatment.

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