Magnifying Endoscopy for Esophageal Ectopic Sebaceous Glands
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Ectopic sebaceous glands are found very rarely in the esophagus; heretofore, several cases have been reported. The sebaceous gland isoriginally a source of an endodermal origin; however, there have been controversies regarding whether the origin of the esophagealectopic sebaceous gland is ectodermal or endodermal. Ectopic sebaceous glands of the esophagus usually do not cause symptoms; thus,they are often found incidentally on endoscopy for routine health screening. Endoscopic findings are characterized by single or multipleyellow patches or nodular lesions of various sizes, sometimes with small central openings. We report two cases of esophageal ectopicsebaceous glands found incidentally during endoscopy with magnifying endoscopic findings. The lesions were in the mid-esophagusand lower esophagus, respectively, and both endoscopic findings were similar as multiple yellowish patches or plaques. Magnifyingendoscopy revealed the openings of the excretory ducts surrounded by circular microvessels in both cases.
Abstract
Ectopic sebaceous glands are found very rarely in the esophagus; heretofore, several cases have been reported. The sebaceous gland isoriginally a source of an endodermal origin; however, there have been controversies regarding whether the origin of the esophagealectopic sebaceous gland is ectodermal or endodermal. Ectopic sebaceous glands of the esophagus usually do not cause symptoms; thus,they are often found incidentally on endoscopy for routine health screening. Endoscopic findings are characterized by single or multipleyellow patches or nodular lesions of various sizes, sometimes with small central openings. We report two cases of esophageal ectopicsebaceous glands found incidentally during endoscopy with magnifying endoscopic findings. The lesions were in the mid-esophagusand lower esophagus, respectively, and both endoscopic findings were similar as multiple yellowish patches or plaques. Magnifyingendoscopy revealed the openings of the excretory ducts surrounded by circular microvessels in both cases.
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