Pathology EMQ template.

Name: David Townsend

Theme: Wound, Bone & Joint Infections

 

OPTION LIST

 

A	Aspiration	I	Pseudomonas Aeruginosa
B	Blood Culture	J	Pus Sample
C	Bone Biopsy	K	Staphylococcus Aureus
D	Enterobacter	L	Streptococcus Pyogenes
E	Escheria Coli	M	Surgical Debridement
F	Haemophilus Influenzae	N	Site Swab
G	Mycobacterium Tuberculosis	O	Tissue Biopsy
H	Neisseria Meningitides	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 70 year old Lady presents to your clinic reporting a one week history of a hot, red swollen right knee. She has recently been receiving steroid injections. What is the most likely causative organism?

 

2. A 55 year old diabetic man comes for a check up, having not been for 2 years. On examination, you discover a foot ulcer that probes to bone. Further investigation by MRI shows osteomyelitis. A sample is taken and the lab grows a gram negative rod. What is the organism?

 

3. A 35 year old man presents to your clinic with lower back pain and no history of trauma. On imaging, destruction of the L3 vertebral body can be seen. What is the likely causative organism?

 

4. A 57 year old lady presents with a two week history of a painful, stiff knee which is slightly warm to the touch. She has a history of rheumatoid arthritis. What is the investigation of choice?

 

5. A patient has a case of suspected chronic osteomyelitis. What is the investigation of choice?

 

 

 

ANSWERS

1. K

2. I

3. G

4. A

5. C