Diseases of the gastroenteric system, organized by the part of the gastrointestinal tract involved.

• Mouth

Normal dentition

Brachycephalic syndrome

Oligodontia

Cleft palate

Caliciviral stomatitis and oral ulcers

Gingivitis

Nasopharyngeal polyps

Oral neoplasia

• Oesophagus

Oesophagitis

Oesophageal strictures

Megaoesophagus

• Stomach

Assessment of gastric motility

Gastritis

Gastroparesis

Stomach ulcers and Helicobacter spp infection

Gastric neoplasia

Gastric-dilation volvulus

Spontaneous gastric perforation

• Small intestine and pancreas

Diarrhoea

Pancreatitis

Intestinal lymphosarcoma

Abdominal distension

Intussusception

• Large intestine

Irritable bowel disease

Constipation

Megacolon

• Anus

Anal gland diseases

Perianal fistulas

Rectal tumours

Rectal polyps

Rectal prolapse

Perineal hernia

Atresia ani