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Trauma
intermediate
X-Type

Radial Head Dislocations - Isolated and Monteggia Variants

Elbow Trauma

A 7-year-old boy presents after a fall onto an outstretched hand. He has painful limitation of elbow flexion-extension and forearm rotation. X-ray shows an apex anterior ulna shaft fracture with anterior dislocation of the radial head. The radiocapitellar line does not pass through the capitellum on any view. Regarding Monteggia fracture-dislocations:

Mark each as TRUE or FALSE

A

Monteggia fracture-dislocation is defined as fracture of the proximal ulna with dislocation of the r...

B

The radiocapitellar line (drawn through the center of the radial shaft) should pass through the capi...

C

In pediatric Monteggia fractures, the ulna fracture typically requires open reduction and internal f...

D

In children, anatomic reduction of the ulna fracture typically results in spontaneous reduction of t...

E

The posterior interosseous nerve (PIN) is at risk in Monteggia injuries, particularly Type II (poste...

Answer the questions to see explanations

Click T (True) or F (False) for each option