Pathology EMQ template.

Name: Amy Mallorie

Theme: Neoplastic bone disease

 

OPTION LIST

 

A	Bone metastases	I	Osteosarcoma
B	Chondroblastoma	J	Simple bone cyst
C	Chondrosarcoma	K
D	Ewing’s sarcoma	L
E	Fibrous dysplasia	M
F	Giant cell tumour of bone	N
G	Osteochondroma	O
H	Osteoid osteoma	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.   An 87 year old woman presents with back pain. On examination there are signs of anaemia and a large breast lump.

 

2.   A 16 year old girl presents with sudden onset of fever, malaise and severe pain in her arm. X-ray shows a lytic lesion with an ‘onion skin’ type periosteal appearance in the humerus.  

 

3.   A 14 year old boy presents to A&E after he fractured his femur playing table tennis. Previously he had complained of knee pain and swelling. X-ray findings include a lytic metaphyseal lesion of the distal femur and you identify Codman’s triangle. 

 

4.   A 40 year old woman presents with a history of gradual swelling and worsening pain of her left knee. X-ray shows a lytic lesion of the distal femoral epiphysis. A biopsy is performed and histology shows osteoclasts on a background of spindle cells. 

 

5.   Malignant cartilage producing tumour of bone

 

6.   ANSWERS

1. A

2. D

3. I

4. F

5. C