Histological findings of divided muscle after peroral endoscopic myotomy

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2016 (EN)
Histological findings of divided muscle after peroral endoscopic myotomy (EN)

Yamashita, Kanefumi
Sasaki, Takamitsu
Shiwaku, Hironari
Ohmiya, Toshihiro
Nimura, Satoshi
Inoue, Haruhiro
Takeno, Shinsuke
Yamashita, Yuichi

Peroral endoscopic myotomy (POEM) is a revolutionary therapy for achalasia and related disorders. POEM utilizes almost the same myotomy procedure as the Heller myotomy; thus, it would be expected to have the same or greater duration of therapeutic effect. However, to date, there have been no reports to prove the basis for this procedure in achalasia. In this case, we were able to histologically show the divided muscle after POEM since the patient had an esophagectomy for esophageal cancer. Histology showed that the muscle tissue divided by the POEM procedure was completely replaced by fibrosis. These findings may indirectly show the permanence of the POEM procedure.Keywords Fibrosis, achalasia, peroral endoscopic myotomyAnn Gastroenterol 2016; 29 (1): 94-95 (EN)




Hellenic Society of Gastroenterology (EN)

Annals of Gastroenterology; Volume 29, No 1 (2016); 94 (EN)

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