Abstract
A case of an esophageal sessile lipoma is herein reported. A 55-year-old male visited our hospital complaining of mild dysphagia. The endoscopic examination showed a sessile yellowish submucosal tumor (SMT) at the lower portion of the esophagus (33cm from the incisor) . An esophagography showed a sessile SMT (5cm in size) . This tumor was comfirmed to be a lipoma by the endoscopic ultrasonography (EUS) , magnetic resonance image (MRI) , and computed tomography (CT) examination. EUS showed a homogenous high echoic SMT and sagittal MRI showed a high intensity tumor in T1-weighted. Because it was sessile and too large for endoscopic polypectomy, surgical resection was performed. The fresh specimen was 5.2×2.8×2.0cm in size, and diagnosed pathologically as a lipoma. Twenty-eight cases of esophageal lipoma have been reported in Japan. With a review of the literature, lipomas of esophagus often arise at cervical esophagus, whose majority have stalks. Seven cases of the lipoma removed by endoscopic polypectomy have been reported. It is necessary to examine the site, size, stalk and the general condition for endoscopic polypectomy. EUS, CT and MRI examinations are quite useful for diagnosing esophageal lipoma.
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