Adult head and neck rhabdomyosarcoma: radiotherapy- based treatment, outcomes, and predictors of survival

作者：Dan Zhao, Fang Zhou, Weixin Liu, Zhou Huang, Xiaolong Xu, Baomin Zheng, Changqing Liu, Chujie Bai, Jiayong Liu, Yan Sun, Weihu Wang, Shaowen Xiao · 发表于：BMC Cancer · 年份：2024 · DOI：10.1186/s12885-024-12079-y · 被引用次数：6 · 研究领域：Sarcoma Diagnosis and Treatment、Bone Tumor Diagnosis and Treatments、Head and Neck Cancer Studies

BACKGROUND: Adult head and neck rhabdomyosarcoma (HNRMS) is an exceptionally rare malignancy, and there is a paucity of data and research dedicated to understanding its characteristics and management in adult populations. This study aimed to assess the outcomes and identify survival predictors in adult HNRMS. METHODS: We retrospectively evaluated 42 adult patients (> 16 years) with HNRMS who received radiotherapy (RT)-based treatment at our institute between 2008 and 2022. We analysed the clinical characteristics and prognosis of these patients, including the locoregional recurrence-free survival (LRFS), progression-free survival (PFS), and overall survival (OS), using the Kaplan-Meier method. The chi-square and Fisher's exact tests were used to analyse differences between groups for dichotomous and categorical variables, respectively. Survival rates were calculated using the Kaplan-Meier method. Prognostic variables were assessed through univariate Cox analyses. RESULTS: The median patient age was 28 years (range, 16-82 years). Alveolar RMS was the most common histological type, observed in 21 patients (50.0%), followed by embryonal in 16 patients (38.1%). The anatomic sites of origin were orbital in one (2.4%), parameningeal in 26 (61.9%), and non-orbital/non-parameningeal in 15 (35.7%) patients. Nineteen patients (45.2%) had regional lymph node metastasis, and five patients (11.9%) presented with distant metastatic disease. Distant metastasis (n = 17) was the primary cause...