top of page

 Anorectal malformations 

ARM embriology

Anatomy & physiology anorectum

Normal x- ray anatomy colon & rectum

Embryology of the cloaca

Congenital anal stenosis

Rectal or anal atresia?

New version of the cutback procedure

Encopresis in children

Megacolon in children

Rationale for new surgical tactics for ARM without visible fistula

Late diagnosis of congenital anal canal stenosis

 Analysis of the role of Alberto Peña in the development and promotion of PSARP

Gastroesophageal Reflux Disease

Gastrointestinal motility and law of the intestine

Hydrochloric acid hypersecretion is the cause of pathology in upper digestive tract

Infantile colic

Superior mesenteric artery syndrome results from hypersecretion of hydrochloric acid

Diagnosis of the GERD

Esophageal achalasia or GERD ?

Functional heartburn is gastroesophageal reflux

Jackhammer Esophagus - Symptom or Diagnosis? 

 Aortic esophageal sphincter 

Prevention and treatment GERD

Etiology and pathogenesis of sphincter Oddi dysfunction

© 2015 Created by Dr. Levin Michael

bottom of page