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Comparison of clinical outcomes of adenocarcinoma and adenosquamous carcinoma in uterine cervical cancer patients receiving surgical resection followed by radiotherapy: A multicenter retrospective study (KROG 13-10)

Authors
Noh, Jae MyoungPark, WonKim, Young SeokKim, Joo-YoungKim, Hak JaeKim, JureeKim, Jin HeeYoon, Mee SunChoi, Jin HwaYoon, Won SupKim, Ji-YoonHuh, Seung Jae
Issue Date
3월-2014
Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
Keywords
Cervical cancer; Adenocarcinoma; Adenosquamous carcinoma; Postoperative radiotherapy
Citation
GYNECOLOGIC ONCOLOGY, v.132, no.3, pp.618 - 623
Indexed
SCIE
SCOPUS
Journal Title
GYNECOLOGIC ONCOLOGY
Volume
132
Number
3
Start Page
618
End Page
623
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/99061
DOI
10.1016/j.ygyno.2014.01.043
ISSN
0090-8258
Abstract
Objective. To evaluate the prognostic influence of adenocarcinoma (AC) and adenosquamous carcinoma (ASC) in patients with FIGO stage IB-IIA cervical cancer who received radical hysterectomy followed by adjuvant radiotherapy (RT) or concurrent chemoradiotherapy (CCRT). Methods. We analyzed 1323 patients who satisfied the following criteria: histologically proven squamous cell carcinoma (SCC), AC, or ASC of the uterine cervix; FIGO stage IB-IIA disease; no history of neoadjuvant chemotherapy; and a history of radical hysterectomy with pelvic lymph node (PLN) dissection, followed by postoperative pelvic RT at a dose >= 45 Gy. The median age was 50 years. Median RT dose delivered to the whole pelvis was 50.4 Gy, and 219 (16.6%) patients received brachytherapy at a median dose of 24 Gy. Concurrent chemotherapy was delivered to 492 (37.2%) patients. Results. Pathologic risk factors were not different according to pathologic subtype. The median follow-up duration was 75.7 months. Locoregional recurrence-free survival, relapse-free survival (RFS), and overall survival were significantly affected by histology, tumor size, PLN metastasis, parametrial invasion, lymphovascular invasion, and deep stromal invasion. The 5-year RFS rates were 83.7%, 66.5%, and 79.6% in patients with SCC, AC, and ASC histology, respectively (P < 0.0001). By multivariate analysis, AC histology was the only significant prognostic factor affecting all survival outcomes. Conclusions. AC histology was associated with poor survival outcomes in patients with FIGO stage IB-IIA cervical cancer who received adjuvant RT or CCRT. Prognosis of ASC histology was closer to that of SCC histology than that of AC histology. (C) 2014 Elsevier Inc. All rights reserved.
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