Soft Tissue Swellings

Question 1

Give some features of benign swellings

Answer 1

Smaller/fluctuating size
Cystic
Well-defined
Soft/fatty

Question 2

Give some features of malignant swellings

Answer 2

>5cm
Rapid growing
Ill-defined
Solid
Systemic upset

Question 3

What is better for imaging swellings, ultrasound or MRI?

Answer 3

MRI - gives better anatomic definition and can diagnose benign lesions

Question 4

What is the commonest hand swelling?

Answer 4

Synovium

Question 5

Giant cell tumours arise from where?

Answer 5

Synovium tendon sheath/joint

Question 6

An outpouching of the synovial membrane is known as what?

Answer 6

Baker’s cyst

Question 7

Should a bursa be aspirated?

Answer 7

No

Question 8

What is implantation dermoid?

Answer 8

Skin cells underneath the skin that continue to grow

Question 9

What is the characterising feature of a sebaceous cyst?

Answer 9

Punctum (black dot) in the middle

Question 10

Myositis ossificans is commonly caused by what?

Answer 10

Blunt trauma

Question 11

Myositis ossificans is always painful. True/false?

Answer 11

False

Question 12

Heterotopic ossification can occur after what?

Answer 12

Hip replacement
Acetabular fracture
Elbow trauma