Image:
Questions:
- Name the examination
- Name the sign labelled ‘X’.
- What does this sign indicate?
- Name the labelled structures.
Answers:
- Radiograph of elbow in AP and lateral views.
- Posterior fat pad sign.
- It indicates presence of joint effusion. Common caused in paediatric patient is supracondylar fracture. Other cause include radial head fracture.
- The labelled structures:
- trochlear notch of ulna
- coronoid process of ulna
- olecranon fossa
- capitulum of humerus
- neck of radius
- radial tuberosity