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Questions and Answers
What is the name of the lesion that occurs when the humeral head is impacted on the posterior rim of the glenoid?
What is the name of the lesion that occurs when the humeral head is impacted on the posterior rim of the glenoid?
In an anterior dislocation, where is the humeral head located in relation to the coracoid process of the scapula?
In an anterior dislocation, where is the humeral head located in relation to the coracoid process of the scapula?
What is the type of fracture that occurs at the junction of the scapular blade and spine?
What is the type of fracture that occurs at the junction of the scapular blade and spine?
What is the type of dislocation that occurs when the inferior edge of the acromion is inferiorly displaced and is no longer in line with the inferior edge of the distal clavicle?
What is the type of dislocation that occurs when the inferior edge of the acromion is inferiorly displaced and is no longer in line with the inferior edge of the distal clavicle?
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What is the type of fracture that occurs at the margin of the glenoid cavity?
What is the type of fracture that occurs at the margin of the glenoid cavity?
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What is a 'bony Bankhart' lesion?
What is a 'bony Bankhart' lesion?
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What is characteristic of a posterior glenohumeral dislocation?
What is characteristic of a posterior glenohumeral dislocation?
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What should be checked in the context of posttraumatic shoulder pain?
What should be checked in the context of posttraumatic shoulder pain?
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What is the term for a transverse fracture of the scapula body?
What is the term for a transverse fracture of the scapula body?
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What is the term for a fracture of the glenoid following an anterior dislocation?
What is the term for a fracture of the glenoid following an anterior dislocation?
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Study Notes
Upper Limb Fractures
- The upper limb sustains a wide variety of fractures with significant differences in demographics, treatment, and functional impact.
Clavicle Fractures
- Clavicle fracture can be displaced, where the distal component is inferiorly displaced, or undisplaced, where the distal component remains aligned with the proximal clavicle.
- Unfused growth plates of the proximal humerus and the acromial apophysis should not be mistaken for fractures.
Acromioclavicular Joint Disruption
- Acromioclavicular joint disruption occurs when the inferior edge of the acromion is inferiorly displaced and no longer in line with the inferior edge of the distal clavicle.
Shoulder Dislocations
- Anterior dislocation occurs when the humeral head is dislocated from the glenoid of the scapula and is located inferior to the coracoid process of the scapula.
- Hill-Sachs lesion is a flattening or indentation of the posterior humeral head following shoulder dislocation.
- Glenoid fracture can occur following an anterior dislocation, known as a 'bony Bankhart' lesion.
- Posterior dislocation occurs when the glenohumeral joint is widened, and the humeral head has a more rounded 'light bulb' shape.
Scapula Fractures
- Scapula fractures can occur in the body or glenoid, and it is essential to check for scapula fractures in the context of posttraumatic shoulder pain.
Humerus Fractures
- Proximal humeral fracture can occur at the surgical neck, with transverse fracture and displacement of the distal component.
- Humeral shaft fracture can occur, with oblique fracture and displacement of the distal component.
- Supracondylar fracture can occur in children, with a joint effusion raising the anterior and posterior fat pads, indicating intra-capsular injury.
Elbow Dislocations
- Elbow dislocation occurs when the ulna dislocates posteriorly from the trochlea of the humerus, and the radius dislocates from the capitulum of the humerus.
- Supracondylar fracture is the most common elbow fracture in children.
Special Fractures and Dislocations
- Monteggia fracture-dislocation occurs when there is a fracture of the ulnar shaft with dislocation of the radial head at the elbow.
- Galeazzi fracture-dislocation occurs when there is a fracture of the radial shaft with dislocation of the ulna from its articulation with the radius at the distal radio-ulnar joint.
- Buckle fracture, also known as a greenstick fracture, occurs in children, where the bone is bent on one side and has a visible break in the bone cortex on the other side.
- Salter-Harris fracture involves the growth plate of the unfused skeleton, with displacement of the epiphysis.
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Description
Test your knowledge on upper limb fractures, including clavicle and scapula fractures, and their interpretations. This quiz covers the basics of upper limb injuries, special cases, and more.
