Lipoma

Question 1

Definition

Answer 1

Slow-growing, benign adipose tumours that are most often found in the subcutaneous tissues.

Question 2

Aetiology/Risk factors

Answer 2

· Benign tumours of adipocytes

· Conditions associated with lipomas
o Familial multiple lipomatosis
o Gardner's syndrome
o Dercum's disease
o Madelung's disease

· Liposarcoma - rare malignant tumour of adipose tissue

Question 3

Epidemiology

Answer 3

· Can be seen at any age but more common between 40-60 yrs

· Relatively COMMON

Question 4

Presenting symptoms and signs on physical examination

Answer 4

· Most are ASYMPTOMATIC
· Compression of nerves can cause pain
· Soft or firm nodule
· Smooth normal surface
· Skin coloured
· Most are < 5 cm in diameter
· Mobile
· Soft/doughy feel

Question 5

Investigations

Answer 5

· Usually CLINICAL diagnosis

· US/MRI/CT used if there is doubt about the diagnosis