Ioannis Tsevgas
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View article: Single-tunnel Zenker’s diverticulum peroral endoscopic myotomy
Single-tunnel Zenker’s diverticulum peroral endoscopic myotomy Open
Zenker’s diverticulum peroral endoscopic myotomy (zPOEM) revolutionized the endoscopic treatment of Zenker’s diverticulum, since this is the only method that can provide deep myotomy [1]. Historically, the mucosal entrance was initially ma…
View article: Submucosal tunneling endoscopic resection for rectal gastrointestinal stromal tumor
Submucosal tunneling endoscopic resection for rectal gastrointestinal stromal tumor Open
A 60-year-old man was referred for evaluation of a rectal submucosal tumor located 5 cm proximal to the anus ([Video 1, ] [Fig. 1]). Endoscopic ultrasonography revealed a 3-cm hypoechoic lesion originating from the muscular layer. The pati…
View article: Single-tunnel Zenker’s diverticulum peroral endoscopic myotomy
Single-tunnel Zenker’s diverticulum peroral endoscopic myotomy Open
Zenker's diverticulum peroral endoscopic myotomy (zPOEM) revolutionized the endoscopic treatment of Zenker's diverticulum, since this is the only method that can provide deep myotomy [1]. Historically, the mucosal entrance was initially ma…
View article: Endoscopic submucosal dissection of a large cecal polyp involving the ileocecal valve and the terminal ileum
Endoscopic submucosal dissection of a large cecal polyp involving the ileocecal valve and the terminal ileum Open
An 83-year-old man with no significant medical history was referred for endoscopic submucosal dissection (ESD) of a large cecal polyp involving the ileocecal valve and the terminal ileum ([Fig. 1 a]). The strategy of dissection included th…
View article: Dynamic and multifocal clip and band countertraction for endoscopic submucosal dissection
Dynamic and multifocal clip and band countertraction for endoscopic submucosal dissection Open
In conclusion, the clip and band technique is an efficient method of countertraction that can be applied even in the cecum. The main advantages of this technique are the ability to change the axis of countertraction during the procedure an…
View article: Endoscopic submucosal dissection and submucosal tunneling endoscopic resection for obstructive lipomas of the foregut and hindgut
Endoscopic submucosal dissection and submucosal tunneling endoscopic resection for obstructive lipomas of the foregut and hindgut Open
GI lipomas are rare, benign, submucosal tumors that are usually asymptomatic. The most common location for these lesions is the colon (64%), whereas duodenal lipomas account for only 4% of GI lipomas.1Wu C. Yang J.F. Tan Q. et al.En bloc r…
View article: “Posterior-like” anterior per-oral endoscopic myotomy
“Posterior-like” anterior per-oral endoscopic myotomy Open
Per-oral endoscopic myotomy (POEM) can be performed by an anterior or a posterior approach to the esophageal wall, depending on the operator's preference. Recent data, however, show that posterior POEM is faster in accomplishing myotomy an…
View article: Mucosotomy at the top of the septum facilitates tunneling and clipping during peroral endoscopic myotomy for Zenker’s diverticulum (Z-POEM)
Mucosotomy at the top of the septum facilitates tunneling and clipping during peroral endoscopic myotomy for Zenker’s diverticulum (Z-POEM) Open
View article: Pocket endoscopic submucosal dissection with countertraction and partial full-thickness excision as salvage therapy for advanced colonic adenoma with severe fibrosis
Pocket endoscopic submucosal dissection with countertraction and partial full-thickness excision as salvage therapy for advanced colonic adenoma with severe fibrosis Open
View article: Salvage therapy for colonic mechanical obstruction with introducer-type colostomy and colopexy
Salvage therapy for colonic mechanical obstruction with introducer-type colostomy and colopexy Open
Percutaneous endoscopic colostomy (PEC) has been established as an alternative method of intestinal decompression and irrigation for functional large bowel obstruction and relapsing sigmoid volvulus. However, postoperative fecal peritoniti…