Gastroenterology

Question 1

what hormone is found to be low in bulimia?

Answer 1

Cholecystokinin

- cause animals to feel full and stop eating. low levels may explain the bingeing pattern

Question 2

What is primary intestinal lymphangiectasia?

Answer 2

aka Waldmann’s disease.

type of protein losing enteropathy where lymph fluid is lost into the GI tract.

Question 3

Features of primary intestinal lymphangiectasia?

Answer 3

Hypoproteinemia
Oedema
Lymphocytopenia
Diarrhoea
Steatorrhea
Malabsorption
Hypogammaglobulinemia (immunoglobulin A, G, M)

Cholesterol levels are normal (as opposed to nephrotic syndrome, where they are elevated).

Question 4

Common signs and symptoms of primary intestinal lymphangiectasia?

Answer 4

leg swelling, abdominal pain, lethargy +/- weight loss, diarrhoea

Question 5

features of juvenile polyps?

Answer 5

• more than 90% of polyps that present in childhood are juvenile polyps
• ie. benign hamartomas
• painless blood per rectum
• 5% may prolapse and 10% assoc w abdo pain
• not premalignant