Pathology EMQ template.

Name:

Candidate number:

Theme: Metabolic bone histopathology

 

OPTION LIST

 

A	Chondrosarcoma	I	Trauma
B	Enchondroma	J	Simple bone cyst
C	Osteoma	K	Chondroblastoma
D	Ewings sarcoma	L	Osteoid osteoma
E	Osteosarcoma	M	Osteoblastoma
F	Osteoporosis	N	Bakers cyst
G	Fibrous dysplasia	O	Aneurysmal bone cyst
H	Osteogenesis imperfecta	P	Child abuse

 

 

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 16 year old girl presents to her GP with a 2 year history of swelling in her left ring finger. The swelling is painless, and the finger looks larger than the rest.

 

2. A 3 year old child with a known chondroblastoma in the right femur presents with a new painful swelling in the same leg that’s hot to the touch. Ultrasound scan reveals cystic cavities.

 

3. An xray of the tibia of a 10 year old boy presenting with a painful swelling of his right shin, reveals a lytic lesion with a periosteal ’onion skin’ reaction. Immunophenotyping shows the tumour to be CD99 positive with a chromosomal translocation of t(22;11).

 

4. A 2 year old girl is brought back to the A&E department with yet another fracture, this time of the left proximal humerus. An FY1 notices the child has blue sclera.

 

5. A 23 year old medical student presents to his GP with dull pain in his left knee which is tender to the touch, worse at night and relieved by aspirin.

 

 

ANSWERS

1. B

2. O

3. D

4. H

5. L