9/12/2019

1

ANATOMYOF

THE GASTROINTESTINAL TRACT

9/12/2019

2

DISEASES OF GI TRACTMOTILITY DISORDERS

Malfunction of muscle wall of gut

EsophagusDysphagia

GERD

9/12/2019

3

DysphagiaPresbyesophagus

Achalasia

GERDInappropriate relaxation

Of LES

StomachGastroparesis

9/12/2019

4

Small BowelBacterial overgrowth

ColonIBS-C

IBS-D

IBS-A

ColonInadequate clean out

for colonoscopy

9/12/2019

5

Flat polyps!! Right Colon

THIS vs. THIS

9/12/2019

6

DISEASES OF THE GI TRACTMUCOSAL LESIONS

Diseases of the lining of the gut

Visualizing GI TractUGI Endoscopy – EGD

Endoscopic Ultrasound – EUS

ERCP/Cholangioscopy

Colonoscopy

Capsule endoscopy/DBE

Digital Flexible Endoscopes

9/12/2019

7

VIDEO CAPSULE

NSAID ULCER IN JEJUNUM

9/12/2019

8

DOUBLE BALLOON

ENTEROSCOPYEdwin C. Schafer

Method of Advancement

DISEASES OF THE GI TRACTMUCOSAL LESIONS

Diseases of the lining of the gut

9/12/2019

9

EsophagusEsophagitis

Barrett’s Esophagus

Accumulate

Genetic

Changes

Injury

Acid & bile refluxnitrous oxide

Genetics

Gender, race,? other factors (cox-2)

Evolution of

Barrett’s esophagus

9/12/2019

10

Gastric ulcer

NORMAL

Celiac Disease

9/12/2019

11

Inflammatory Bowel DiseaseCrohn’s

Ulcerative Colitis

9/12/2019

12

DISEASES OF THE GI TRACTColon polyps

Colon cancer

Left Colon Polyp

Colon Cancer

9/12/2019

13

DISEASES OF THE GI TRACTThe Microbiome

QUESTIONS ??