ANALYTICAL, DIAGNOSTIC AND THERAPEUTIC TECHNIQUES, AND EQUIPMENT      Surgical Procedures, Operative [E04]      Surgical Procedures, Operative           Digestive System Surgical Procedures [E04.210]           Digestive System Surgical Procedures                Endoscopy, Digestive System [E04.210.240]                Endoscopy, Digestive System                     Endoscopy, Gastrointestinal [E04.210.240.250]                     Endoscopy, Gastrointestinal                          Balloon Enteroscopy [E04.210.240.250.080] +                          Balloon Enteroscopy +                          Colonoscopy [E04.210.240.250.160] +                          Colonoscopy +                          Duodenoscopy [E04.210.240.250.200]                          Duodenoscopy                          Endoscopic Mucosal Resection [E04.210.240.250.230]                          Endoscopic Mucosal Resection                          Esophagoscopy [E04.210.240.250.260]                          Esophagoscopy                          Gastroscopy [E04.210.240.250.320]                          Gastroscopy                          Proctoscopy [E04.210.240.250.680] +                          Proctoscopy +                          Pyloromyotomy [E04.210.240.250.760]                          Pyloromyotomy                          Sphincterotomy, Endoscopic [E04.210.240.250.840]                          Sphincterotomy, Endoscopic ANALYTICAL, DIAGNOSTIC AND THERAPEUTIC TECHNIQUES, AND EQUIPMENT      Surgical Procedures, Operative [E04]      Surgical Procedures, Operative           Digestive System Surgical Procedures [E04.210]           Digestive System Surgical Procedures                Gastrectomy [E04.210.419]                Gastrectomy                     Pyloromyotomy [E04.210.419.500]                     Pyloromyotomy ANALYTICAL, DIAGNOSTIC AND THERAPEUTIC TECHNIQUES, AND EQUIPMENT      Surgical Procedures, Operative [E04]      Surgical Procedures, Operative           Myotomy [E04.515]           Myotomy                Pyloromyotomy [E04.515.375]                Pyloromyotomy                Sphincterotomy [E04.515.750] +                Sphincterotomy +

Pyloromyotomy - Preferred

Concept UI	M000628322
Scope note	Surgical incision of the PYLORUS used to treat pyloric stenoses (e.g. INFANTILE HYPERTROPHIC PYLORIC STENOSIS).
Preferred term	Pyloromyotomy
Entry term(s)	Pyloromyotomies

Ramstedt Operation - Narrower

Concept UI	M000628325
Preferred term	Ramstedt Operation
Entry term(s)	Fredet Ramstedt Operation Fredet-Ramstedt Operation

Gastric Peroral Endoscopic Pyloromyotomy - Narrower

Concept UI	M000628327
Preferred term	Gastric Peroral Endoscopic Pyloromyotomy
Entry term(s)	G-POEM Gastric Per oral Endoscopic Pyloromyotomy Gastric Per-oral Endoscopic Pyloromyotomy POEM Procedure POEM Procedures