食管平滑肌肉瘤较罕见，１９０２年Ｈｏｗａｒｄ首次报告，Ｃｈｏｈ总结全世界文献至１９８６年为止报告本病不超过４５例，王德元认为国内已报告２４例，本科曾收治２例，报道如下。例１：女性，６３岁，住院号６９２３０。因吞咽困难２月于１９８９年６月入院，吞咽困难... Esophageal leiomyosarcoma rare, Howard first reported in 1902, Choh summary of the world literature until 1986 reported no more than 45 cases of this disease, Wang Deyuan that has been reported in 24 cases, undergraduate had admitted to 2 cases are reported below. Example 1: Female, 63 years old, hospital number 69230. Due to swallowing difficulties in June 1989 admission, difficulty swallowing ...