Radiation-induced sarcoma of head and neck: 50 years of experience at a single institution in an endemic area of nasopharyngeal carcinoma in China.
Radiation-induced sarcoma in the head and neck (RISHN) is a rare condition whose clinical presentation and management remain difficult because of its low incidence. In this retrospective study, we analyzed the symptoms, diagnosis, and the treatment of 16,634 patients with head and neck disease, who received radiotherapy between 1960 and 2010 at the Affiliated Tumor Hospital and its predecessor, Guangxi Medical University, China. Among these patients, 16 with a first tumor of nasopharyngeal carcinoma (NPC) and 1 with squamous carcinoma of the tongue met the criteria of RISHN in the head and neck. Our epidemiological data showed that the incidence of RISHN rose from 0.06 to 0.17% from 1960 to 2010; the 3-year overall survival rate was 19.1%, and 3-year disease-free survival rate was 11.1%. The mean latency (SD) period was 93.2 (33) months. Based on the experiences at our institution, we suggest that RISHN is a rare complication after radiotherapy for head and neck tumors, especially NPC. Owing to its low incidence, it should not be a major factor affecting decisions about radiotherapy. Nevertheless, there may be a possibility of increasing incidence of RISHN after radiotherapy of NPC, as shown in our epidemiological results. Given the poor prognosis of RISHN, this possibility should be taken into serious consideration before determination of high-dose radiotherapy for patients with NPC and other head and neck tumors.
Department of Head and Neck Tumor Surgery, Affiliated Tumor Hospital of Guangxi Medical University, Nanning 530021, People's Republic of China. wzhbo1973@yahoo.com.cn
Zhengbo
Z
Wei
Ying
Y
Xie
Jian
J
Xu
Yuan
Y
Luo
Falong
F
Chen
Yunli
Y
Yang
Qifang
Q
Huang
Anzhou
A
Tang
Guangwu
G
Huang
D000328:Adult; D000368:Aged; D002277:Carcinoma; D002294:Carcinoma, Squamous Cell / Q000453:epidemiology / Q000209:etiology* / Q000473:pathology; D002681:China / Q000453:epidemiology; D005260:Female; D006258:Head and Neck Neoplasms / Q000453:epidemiology / Q000209:etiology* / Q000473:pathology; D006801:Humans; D015994:Incidence; D008297:Male; D008875:Middle Aged; D000077274:Nasopharyngeal Carcinoma; D009303:Nasopharyngeal Neoplasms / Q000453:epidemiology / Q000209:etiology* / Q000473:pathology; D009381:Neoplasms, Radiation-Induced / Q000453:epidemiology / Q000209:etiology* / Q000473:pathology; D011379:Prognosis; D011879:Radiotherapy Dosage; D012189:Retrospective Studies; D012509:Sarcoma / Q000453:epidemiology / Q000209:etiology* / Q000473:pathology; D055815:Young Adult
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