Distal forearm fractures and dislocations Dr. Ihab Rassem Lecturer of Radiology Ain Shams University...
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Transcript of Distal forearm fractures and dislocations Dr. Ihab Rassem Lecturer of Radiology Ain Shams University...
Distal forearm Distal forearm fractures and fractures and dislocationsdislocations
Dr. Ihab RassemDr. Ihab RassemLecturer of RadiologyLecturer of RadiologyAin Shams University Ain Shams University
Cairo, Egypt Cairo, Egypt
RadiographyRadiography
PA & Lateral are sufficient in most PA & Lateral are sufficient in most cases cases
Radiographic Radiographic anatomyanatomy
Neutral Ulnar varianceNeutral Ulnar variance
Negative Positive Negative Positive
Ulnar slant of articular surface of Ulnar slant of articular surface of radiusradius
Measured on PA viewMeasured on PA view
Palmar inclination anglePalmar inclination angleMeasure on Lateral viewMeasure on Lateral view
Fracture typesFracture types
1.1. Colles FractureColles Fracture
2.2. Smith Fracture Smith Fracture
3.3. Barton fracture Barton fracture
4.4. Hutchinson fractureHutchinson fracture
5.5. Essex-Lopresti fracture dislocationEssex-Lopresti fracture dislocation
6.6. Galeazzi fracture dislocationGaleazzi fracture dislocation
Colles FractureColles Fracture
Most frequently encountered injury to the Most frequently encountered injury to the distal forearm.distal forearm.
Fall on the outstretched hand with forearm Fall on the outstretched hand with forearm pronated in dorsiflexion. pronated in dorsiflexion.
Age usually above 50y; F>M.Age usually above 50y; F>M. Extraarticular 2-3 cm away from articular Extraarticular 2-3 cm away from articular
surface of radius.surface of radius. Associated # of ulnar styloid processAssociated # of ulnar styloid process
Smith FractureSmith Fracture
Fracture of the distal radius with Fracture of the distal radius with volar displacement and angulation of volar displacement and angulation of the distal fragment the distal fragment
Results from a fall on the back of the Results from a fall on the back of the hand or a direct blow to the dorsum hand or a direct blow to the dorsum of the hand.of the hand.
Often referred to as a reverse Colles Often referred to as a reverse Colles fracture. fracture.
Smith FractureSmith Fracture
Barton FractureBarton Fracture
Fracture of dorsal margin of the Fracture of dorsal margin of the distal radius extending into the distal radius extending into the radiocarpal articulation.radiocarpal articulation.
Reverse (or volar) Barton fracture: Reverse (or volar) Barton fracture: when it involves the volar aspect of when it involves the volar aspect of distal radiusdistal radius
Barton FractureBarton Fracture
Reverse BartonReverse Barton
Hutchinson FractureHutchinson Fracture
Also known as chauffeur's fracture.Also known as chauffeur's fracture. Involves the lateral margin of the Involves the lateral margin of the
distal radius, extending through the distal radius, extending through the radial styloid process into the radial styloid process into the radiocarpal articulation .radiocarpal articulation .
Best seen in PA viewBest seen in PA view
Hutchinson FractureHutchinson Fracture
Essex-Lopresti Fracture-Essex-Lopresti Fracture-DislocationDislocation
Complex type injury which comprisesComplex type injury which comprises
1.1. Comminuted fracture of the radial Comminuted fracture of the radial head and neck +/- distal extension.head and neck +/- distal extension.
2.2. Tear of the interosseous membrane.Tear of the interosseous membrane.
3.3. Dislocation in the distal radioulnar Dislocation in the distal radioulnar joint. joint.
Galeazzi Fracture–Galeazzi Fracture–DislocationDislocation
This injury type comprises:-This injury type comprises:-
1.1. Fracture of the distal third of the Fracture of the distal third of the radius, radius,
2.2. Dislocation in the distal radioulnar Dislocation in the distal radioulnar joint. joint.
THANK YOUTHANK YOU