Nihon Jibiinkoka Gakkai kaiho · 2012
[Evaluation of clinical features of antrochoanal polyps].
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Asaka Daiya, Yoshikawa Mamoru, Nakayama Tsuguhisa, Yoshida Takuto, Yoshimura Tsuyoshi, Iimura Jiro, Okushi Tetsushi, Matsuwaki Yoshinori, Iida Makoto, Yanagi Kiyoshi, Otori Nobuyoshi, Moriyama Hiroshi
Аннотация
Current knowledge on the prevalence and clinical features of antrochoanal polyps (ACPs), benign lesions arising in the maxillary sinus and extending into the choana, is very limited in Japan. We prospectively evaluated prevalence and clinical features in 15 subjects with ACPs from among 728 undergoing endoscopic endonasal sinus surgery between April 2007 and March 2008, and prospectively enrolled in this study. The 15 subjects, who accounted for 2.1% of the total, had nasal obstruction, rhinorrhea, and postnasal drip. Symptoms significantly reduced postoperatively. Maxillary-sinus-origin ACP distribution was 40% from the maxillary sinus floor to the posterior wall, 26.7% from maxillary sinus floor, and 20% from the maxillary sinus floor to the internal wall. Postoperative recurrence was 13.3%. Endoscopic endonasal sinus surgery for ACPs was most effective for polyp is originating in the maxillary sinus determined carefully and excised as completely as possible, followed by appropriate postoperative treatment.