Pathology EMQ

Name: Chia-Hui Lim

Theme: Lower Gastrointestinal Disease

OPTION LIST

A	Actinomyces israelii	I	Hirschsprung’s disease
B	Campylobacter jejuni	J	Irritable bowel syndrome
C	Chagas’ disease	K	Pseudomembranous colitis
D	Chronic laxative abuse	L	Ulcerative colitis
E	Clostridium perfringens	M
F	Crohn’s disease	N
G	Diabetic neuropathy	O
H	Giardia lamblia	P

For each scenario below, choose the most appropriate answer from the list above. Each option may be used once, more than once or not at all.

1. Associated with abdominal masses, sinuses and fistulae. Chronic granulomatous lesions and watery pus containing sulphur granules are also present.

2. A 3 year old boy with bloody diarrhoea, fever, and abdominal pain.

3. A 30 year old man in hospital for several weeks develops diarrhoea and dehydration. Biopsy shows loss of epithelial cells and ‘volcano-like’ eruption of mucin, polymorphs and fibrin. Treated with metronidazole or vancomycin.

4. A 25 year old woman with constipation alternating with diarrhoea for over 6 months. She also complains of abdominal bloating and mucus, as well as abdominal pain relieved by defecation.

5. A 10 year old boy with soiling and constipation. He has features of brushfield spots, microcephaly, hypotonia and epicanthic folds.

ANSWERS

1. A

2. B

3. K

4. J

5. I