Head & neck · 2022
The implicated clinical factors for outcomes in 304 patients with salivary duct carcinoma: Multi-institutional retrospective analysis in Japan.
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Kusafuka Kimihide, Sato Yoko, Nakatani Eiji, Baba Satoshi, Maeda Matsuyoshi, Yamanegi Koji, Ueda Kaori, Inagaki Hiroshi, Otsuki Yoshiro, Kuroda Naoto, Suzuki Kensuke, Iwai Hiroshi, Imamura Yoshiaki, Itakura Junya, Yamanaka Shoji, Takahashi Hideaki, Ito Ichiro, Akashi Takumi, Daa Tsutomu, Hamada Mei, Yasuda Masanori, Kawata Ryo, Yamamoto Hidetaka, Tachibana Yuri, Fukuoka Junya, Muramatsu Aya, Arai Kazumori, Suzuki Makoto
Аннотация
BACKGROUND: Salivary duct carcinoma (SDC) is a high-grade salivary malignancy that frequently occurs as the carcinomatous component of carcinoma ex pleomorphic adenoma. We herein examined the clinical factors affecting outcomes in a large cohort of SDC.
METHODS: We selected 304 SDC cases and investigated clinical characteristics and the factors affecting outcomes.
RESULTS: The median age of the cases examined was 68 years, the most common primary site was the parotid gland (238 cases), and there was a male predominance (M/F = 5:1). Outcomes were significantly worse when the primary tumor site was the minor salivary glands (SG) than when it was the major SG. Outcomes were also significantly worse in pN(+) cases (161 cases) than in pN0 cases, particularly those with a metastatic lymph node number ≥11. The cumulative incidence of relapse and distant metastases was significantly higher in stage IV cases than in stage 0-III cases.
CONCLUSIONS: The absolute number of lymph node metastases, higher stages, and the minor SG as the primary tumor site were identified as factors affecting the outcome of SDC.
METHODS: We selected 304 SDC cases and investigated clinical characteristics and the factors affecting outcomes.
RESULTS: The median age of the cases examined was 68 years, the most common primary site was the parotid gland (238 cases), and there was a male predominance (M/F = 5:1). Outcomes were significantly worse when the primary tumor site was the minor salivary glands (SG) than when it was the major SG. Outcomes were also significantly worse in pN(+) cases (161 cases) than in pN0 cases, particularly those with a metastatic lymph node number ≥11. The cumulative incidence of relapse and distant metastases was significantly higher in stage IV cases than in stage 0-III cases.
CONCLUSIONS: The absolute number of lymph node metastases, higher stages, and the minor SG as the primary tumor site were identified as factors affecting the outcome of SDC.