POEM procedure

(A) Mucosal incision
(B) Creation of submucosal tunnel
(C, D) Myotomy
(E) Closure of mucosal incision

POEM: peroral endoscopic myotomy.

Reproduced with permission from: Dr. Haru Inoue. Image originally published in Inoue H, Minami H, Kobayashi T, et al. Peroral endoscopic myotomy (POEM) for esophageal achalasia. Endoscopy 2010; 42:265. Copyright © 2010 Georg Thieme Verlag KG. All rights reserved.

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