Meet the editors

Vincenzo Neri is a former Professor of General Surgery (retired), Department of Medical and Surgical Sciences, University of Foggia, Italy. He also held positions such as Director of Division of General Surgery, Director of Residency School of General Surgery, Director of Department of Surgical Sciences, and President of Course of Degree of Medicine and Surgery at the same university. He also served as an assistant professor

(1974–1982) and associate professor (1982–2001) at the School of Medicine and Surgery, University of Bari, Italy, where he obtained a degree in Medicine and Surgery and completed postgraduate training in General Surgery and Emergency Surgery. He obtained a diploma of "Maitrise Universitaire en Pedagogie des Sciences de la Santè" from the University Paris-Nord Bobigny in 1995. Dr. Neri's research interests include hepatobiliary pancreatic surgery, acute pancreatitis, and treatment of pancreatic and liver tumors. He has published research papers, reviews, congress proceedings, and book chapters. In the period 1991–2016, he attended the Hepatobiliarypancreatic Surgery Service of Beaujon Hospital, Universitè de Paris, Clichy. As part of the 2010–2011 ERASMUS Program, Dr. Neri developed a seminar on "Cystic Tumours of the Pancreas" at Ghent University, Belgium. He is a member of several scientific associations including Società Italiana di Chirurgia (SIC), International Hepato-Pancreato Biliary Association (IHPBA), European Association for the Study of the Liver (EASL), New European Surgical Academy (NESA), and Society of Laparoscopic and Robotic Surgeons (SLS).

Monjur Ahmed, MD, FRCP, is an Associate Professor of Medicine at Thomas Jefferson University, Philadelphia, Pennsylvania, USA. He has been a practicing gastroenterologist for twenty-two years. He has a special interest in inflammatory bowel disease, eosinophilic esophagitis, gastrointestinal motility, and dysphagia. Dr. Ahmed also serves as an editor in chief for the *World Journal of Gastrointestinal Oncology*.

Contents

**Section 1**

**Section 2**

Infectious Esophagitis

Eosinophilic Esophagitis in 2021

An Aggravating Factor in Esophagitis *by Mary Hägg and Thomas Franzén*

*by Karam Dawood and Israa Mamdooh*

Pathophysiology of *H. pylori*

*and Joshua Godwin*

*by Monjur Ahmed*

Diseases

**Section 3**

**Preface XI**

Preamble **1**

**Chapter 1 3**

Esophagitis **11**

**Chapter 2 13**

**Chapter 3 31**

**Chapter 4 49**

**Chapter 5 63**

Gastritis **87**

**Chapter 6 89**

Introductory Chapter: Complications of Gastroduodenal Ulcers

*by Daniella Kingsley-Godwin, Maria Jana Kingsley-Godwin* 

Extraesophageal Manifestations and Symptoms of Esophageal

Introducing an Innovative Oral Neuromuscular Treatment of the Underlying Reason for Reflux Caused by Hiatus Hernia:

*by Ljiljana Širić, Marinela Rosso and Aleksandar Včev*

*by Vincenzo Neri and Monjur Ahmed*
