Surgical incision of the PYLORUS used to treat pyloric stenoses (e.g. INFANTILE HYPERTROPHIC PYLORIC STENOSIS).

Synonyms: Gastric Peroral Endoscopic Pyloromyotomy, Pyloromyotomies, Fredet Ramstedt Operation, Ramstedt Operation, POEM Procedures, POEM Procedure, G-POEM, Fredet-Ramstedt Operation, Gastric Per oral Endoscopic Pyloromyotomy, Gastric Per-oral Endoscopic Pyloromyotomy, Pyloromyotomy