Outcomes of nonsurgical management of locally advanced carcinomas of the sinonasal cavity.
Outcomes of nonsurgical management of locally advanced carcinomas of the sinonasal cavity.
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DOI:
10.1002/lary.26228
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发表时间:
2017-04
期刊:
影响因子:
--
通讯作者:
Yoo G
中科院分区:
文献类型:
--
作者:
Chopra S;Kamdar DP;Cohen DS;Heilbrun LK;Smith D;Kim H;Lin HS;Jacobs JR;Yoo G
To determine the outcome of definitive concurrent chemoradiation with platinum for locally advanced sinonasal carcinomas. Retrospective cohort 23 nonsurgically and definitively treated patients diagnosed between July 1998 and February 2009 were analyzed. Patients with adenoid cystic carcinoma or adenocarcinoma were treated with photons and neutrons; the other histologies received photons alone. The vast majority received chemotherapy. Descriptive statistics were utilized, and Kaplan-Meier estimates were computed. Female (57%) and Caucasian (74%) preponderance were observed. Eighty seven percent were unresectable; the maxillary and naso-ethmoid sites were equally prevalent. Intensity-modulated radiation therapy (IMRT) and photons alone were utilized in 74% and 70%, respectively. Platinum agents were given in 95% of chemotherapy patients. Complete response was observed in 64% of patients. Median progression-free survival (PFS) and overall survival (OS) were 28.8 and 65.3, months respectively. Three-year PFS and OS rates were 44% and 72%, respectively; 5-year PFS and OS rates were 30% and 60%, respectively. IMRT and a maxillary site of origin showed a trend towards superior PFS; higher-dose regimens were associated with somewhat shorter PFS. Relapse was observed in 59% of patients, predominantly local. There were few unanticipated adverse effects- no Grade IV/V events were reported. Advanced sinonasal carcinomas are chemoradiosensitive tumors, albeit with a high propensity for local relapse. There is a definite indication for IMRT and a potential curative role of platinum-based chemoradiation regimens.