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Radial head fractures are a common type of elbow fracture that typically occurs after a fall on an outstretched arm. [1] They account for approximately one third of all elbow fractures and are frequently associated with other injuries of the elbow. [2] [3] Radial head fractures are diagnosed by a clinical assessment and medical imaging.
The posterior fat pad is normally pressed in the olecranon fossa by the triceps tendon, and hence invisible on lateral radiograph of the elbow. [3] When there is a fracture of the distal humerus, or other pathology involving the elbow joint, inflammation develops around the synovial membrane forcing the fat pad out of its normal physiologic resting place.
Elbow fractures are any broken bone in or near the elbow joint and include olecranon fractures, supracondylar humerus fractures and radial head fractures. [1] The elbow joint is formed by three different bones: the ulna, radius, and humerus that permit the joint to move like a hinge and allow a person to straighten and bend their arm and these bones are connected by tendons, ligaments, and ...
unstable spinal fracture-dislocation at the thoracolumbar junction: Thoracic Spine Fractures and Dislocations at eMedicine: Hume fracture: A.C. Hume: olecranon fracture with anterior dislocation of radial head: Ronald McRae, Maxx Esser. Practical Fracture Treatment 5th edition, page 187. Elsevier Health Sciences, 2008.
There are four types (depending upon displacement of the radial head): [3] Bado Classification - Monteggia Fractures. I - Extension type (60%) - ulna shaft angulates anteriorly (extends) and radial head dislocates anteriorly. II - Flexion type (15%) - ulna shaft angulates posteriorly (flexes) and radial head dislocates posteriorly.
A supracondylar humerus fracture is a fracture of the distal humerus just above the elbow joint. The fracture is usually transverse or oblique and above the medial and lateral condyles and epicondyles. This fracture pattern is relatively rare in adults, but is the most common type of elbow fracture in children. [1]
Hume fracture – a fracture of the olecranon with an associated anterior dislocation of the radial head; Radius fracture. Essex-Lopresti fracture – a fracture of the radial head with concomitant dislocation of the distal radio-ulnar joint with disruption of the interosseous membrane [14] Distal radius fracture. Galeazzi fracture – a ...
A subtle radial head fracture with associated positive sail sign. Specific fracture types of the radius include: Proximal radius fracture. A fracture within the capsule of the elbow joint results in the fat pad sign or "sail sign" which is a displacement of the fat pad at the elbow. Illustration showing radius shaft fracture