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10 Cards in this Set
- Front
- Back
Ipsilateral distal forearm and wrist should be examined witha radial head fracture. Tenderness to palation or stress at the DRUJ may indicate the presence of what lesion?
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Essex-Lopresti lesion
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What is an essex-lopresti lesion?
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Radial head fracture-dislocation with associated interosseous ligament and DRUJ disruption
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Besides AP and lateral, this view will provide visualization of the radiocapitellar articulation
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Greenspan view (beam angled 45 degrees cephalad)
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What is the classification scheme for radial head fractures?
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Mason classification
I: Nondisplaced II: Marginal fx with displacement III: Comminuted involving entire head IV: A/w dislocation of elbow (Johnston) |
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Which is more sensitive: Anterior or Posterior fat pad sign?
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Posterior
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Indications for surgery in an isolated partial radial head fracture
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1. Block to motion + Mason II
2. Displacement of large fragment >2 mm without a block to motion |
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How are most radial head fractures treated?
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Nonoperatively
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What is the most common problem patients encounter after an isolated radial head fracture?
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Elbow stiffness
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What approach will you use to perform an ORIF of an isolated partial radial head fracture? What structures are at risk?
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Kocher exposure (Anconeus and ECU)
LCL, PIN |
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What is a potential problem with radial head prosthesis?
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Oversizing the radial head implant and thus potentially "overstuffing" the joint
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