Cortext: soft tissue disease Flashcards
1
Q
What are the features of a malignant soft tissue tumour?
A
- large >5cm
- rapid growth
- ill-defined
- irregular surface
- solid lesion
- lymphadenopathy
- systemic upset
2
Q
What benign soft tissue tumour is most commonly encountered in orthopaedics?
A
Lipoma
-neoplastic fat proliferation
3
Q
Glanglion cysts are true cysts (T/F)
A
False
They are lined by a fibrous wall, not by epitheliem
4
Q
What is the most common site of avascular necrosis? What patient group is it common in?
A
Within the femoral head
Chronic alcoholics
5
Q
What is ‘creeping susbtitution’?
A
Histological sign of Avascular necrosis
-necrosed bone is encircled by new viable bone
6
Q
What bones are prone to AVN, avascular necrosis?
A
Femoral head and condyles
Head of humerus
Scaphoid
Talus
7
Q
What are possible causes of Avascular Necrosis?
A
Alcoholism
Corticosteroid use
Fractures
