Site

Clinical Diagnosis

Endoscopic Diagnosis

Histopathological Diagnosis

Esophagus

Carcinoma Esophagus

Growth with ulceration

Squamous cell carcinoma

Esophagitis

Normal findings

Non-specific Inflammation

Esophagitis

Erythema

Gastro-oesophageal reflux disease

(GERD)

Carcinoma Esophagus

Growth

Adeno-squamous carcinoma

Stomach

Carcinoma Stomach

Ulcerating fungating growth

Adenocarcinoma

?GIST

Growth

GIST

Gastritis

Erosion

Non-specific Inflammation

Gastritis

Ulcer

H. Pylori induced gastritis

Gastritis ?Autoimmune

Erythema and Erosion

Chronic atrophic gastritis

Duodenum

?Celiac Disease

Scalloped mucosa

Celiac Disease

Duodenitis

Erythema

Non-specific inflammation

Duodenitis

Ulcer

Duodenal ulcer

Ileum

?IBD (Inflammatory Bowel Disease)

Erythema

Non-specific inflammation

Carcinoma

Ulcerated bleeding mass

Adeno-carcinoma

Colon

Colon Polyp/Mass

Polyp

Tubular Adenoma

Follow-up case of resection colon

Normal colonoscopic findings

Non-specific inflammation

Colitis

Normal mucosa

Lymphocytic colitis

Rectum

Rectal polyp/ growth

Growth

Rectal polyp

Proctitis

Edematous mucosa

Chronic proctitis

? IBD

Irregular mucosa

IBD

Ulcer

Hyperemic mucosa

Solitary rectal ulcer

?Hirschsprung disease

Normal

Hirschsprung disease