Pathology EMQ template.

Name:   

Candidate number:

Theme: Wound, bone and joint infections

 

OPTION LIST

 

A

Treponema pallidum

I

Gout

B

Clostridium tetani

J

Clostridium perfringes

C

Osteomyelitis caused by Staphylococcus aureus

K

Septic arthritis caused by Staphylococcus aureus

D

Streptococcus pyogenes

L

Osteomyelitis caused by Klebsiella

E

Pseudogout

M

 

F

Actinomycosis

N

 

G

Osteomyelitis caused by Salmonella

O

 

H

Septic arthritis caused by Streptococcus pyogenes

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. A 60 year old man presents to his GP with a swollen and inflamed big toe.   He is currently undergoing treatment for Non-Hodgkins lymphoma. What is the most likely diagnosis?

 

2. A 5 year old boy presents to casualty with fever and malaise. On examination, he is found to have a swollen and red left thigh. He is noted to have sickle-cell disease. Cultures demonstrate a Gram negative organism. What is the most likely diagnosis?

 

3. A 70 year old lady undergoes arthroscopy of her right knee. 5 days later, she presents to A&E with pain and inflammation of the same joint. She is treated with Flucoxacillin. What was the diagnosis that was made?

 

4. A 25 year old man presents to A&E with a wound on his right leg, which occurred when he hurt himself whilst stunt-biking in the countryside 5 days ago. The wound is now discharging foul-smelling pus and there are areas of necrotic tissue. There is no gas in the wound and cultures demonstrate drum-stick shaped spores. What is the diagnosis?

 

5. A 30 year old lady presents to her GP with painless peri-mandibular swelling that started 3 weeks ago after she had extensive dental work and has been gradually worsening. There is overlying redness of the skin. She feels otherwise well and a fine needle aspirate is performed. The diagnosis is made 1 week later, after the organism has been cultured in an anaerobic environment. What is the diagnosis?

 

 

 

 

ANSWERS

1. I

2. G

3. K

4. B

5. F