Meet the editors

Dr. Mahesh Kumar Goenka is a senior gastroenterologist with a special interest in the field of endoscopy. He has performed more than 100,000 endoscopic procedures with expertise in advanced therapeutic endoscopy such as endoscopic retrograde cholangiopancreatography (ERCP), SpyGlass Cholangioscopy, laser lithotripsy, and so on. He is currently the director of the Institute of Gastrosciences and Liver, Apollo Gleneagles Hospital, Kol-

kata, India. He is also a national convener for the National Board of Examination for Medical Gastroenterology. He has more than 175 publications in various books and national and international medical journals. He was recently elected as the president-elect of the Indian Society of Gastroenterology (2020–2021) and governor (Indian region) of the American College of Gastroenterology (ACG). He also served as secretary general and president of the Society of Gastrointestinal Endoscopy of India (2016–2017), for which he successfully organized the international conference "Asian Pacific Digestive Week 2019." He is an honorary professor for the Medical School of Wisconsin, USA. Dr. Goenka is the recipient of multiple national and international awards, including the prestigious International Leadership Award (2020) from the American College of Gastroenterology for his contributions to gastroenterology in the international arena.

Dr. Usha Goenka is a senior interventional radiologist who specializes in vascular and nonvascular interventional radiology. She is currently director and head of the Department of Clinical Imaging and Interventional Radiology at Apollo Gleneagles Hospital, Kolkata, India. She has been a merit holder and university topper through her MBBS graduation. She completed an MD in Radiology from the prestigious Postgraduate Institute of Medical

Education and Research (PGIMER), India. She has more than forty-five publications in various national and international journals. She has a keen interest in teaching and has delivered more than fifty lectures in national and international conferences. Dr.Goenka is also a member of the American College of Gastroenterology.

Dr. Gajanan A. Rodge is a budding gastroenterologist with a special interest in endoscopy. He is currently working in the Gastroenterology Department at the Institute of Gastrosciences and Liver, Apollo Gleneagles Hospital, Kolkata, India. He obtained his MBBS from Grant Medical College, Mumbai, and was awarded the JRD Tata scholarship. He completed his DNB in Internal Medicine at Lilavati Hospital & Research Centre,

Mumbai, and has experience as a clinical associate in Gastroenterology at Lilavati Hospital. Dr. Rodge was recently awarded the "Poster of Distinction Award" at Asia Pacific Digestive Week (APDW) 2019 and the "Young Investigator Award" at the Asian Pacific Association for the Study of the Liver (APASL) 2021.

Contents

**Section 1**

**Section 2**

**Section 3**

**Section 4**

**Preface XI**

Introduction **1**

**Chapter 1 3**

Imaging in Small Bowel **7**

**Chapter 2 9**

Inflammatory Bowel Disease **25**

**Chapter 3 27**

**Chapter 4 47**

Endoscopic Ultrasound **71**

**Chapter 5 73**

Introductory Chapter: Endoscopy in Small Bowel Diseases

Role of Imaging in Small Bowel Crohn's Disease *by Bilal Imširović, Enver Zerem and Emir Gušo*

Endoscopy in Small Bowel Crohn's Disease

*by Isabel Garrido, Susana Lopes and Guilherme Macedo*

of Inflammatory Bowel Disease: Current Perspective *by Partha Pal, D. Nageshwar Reddy and Zaheer Nabi*

*by Andrada Seicean, Voicu Rednic and Radu Seicean*

Role of Small Bowel Endoscopy in Diagnosis and Management

Endoscopic Ultrasound Assessment of the Duodenal Wall Lesions

*by Usha Goenka, Gajanan Ashokrao Rodge and Mahesh Kumar Goenka*
