TWO CASES OF SMALL ESOPHAGEAL LEIOMYOMA

Abstract

This report is on two cases of small esophageal leiomyoma removed by endoscopic polypectomy. The first case was a 34-year-old male complaining of dysphagia. Endoscopic examination revealed a polypoid lesion of Yamada-typeII covered with normal esophageal mucosa near the E-C junction. Endoscopic polypectomy without using electrocoagulation was performed. The tumor was measured 7 × 7 × 5mm in size. Histological diagnosis was a leiomyoma. The second case was a 56-year-old male without any complaint. Endoscopic examination revealed a movable polyp of Yamada-typeI at the upper esophagus. The polypectomised lesion was measured 10 × 5 × 5mm in size. Histological diagnosis was also a leiomyoma. Thirty-seven polypectomised cases of esophageal leiomyoma have been reported since 1974 in Japan. Bigger leiomyoma (≥ 10mm in diameter) of them tended to be Yamada-typeIII or IV of macroscopic classification, and smaller one (< 10mm) to be Yamada-typeI or II. For small esophageal leiomyoma we recommend the polypectomy without electrocoagulation in order to prevent deeper mucosal defect and to make correct pathological diagnosis.