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Trauma
intermediate
X-Type

Isolated Ulna Fractures

Forearm Fractures

A 30-year-old man presents after being struck on the forearm during an altercation. Radiographs show an isolated ulna shaft fracture (nightstick fracture) with 5 degrees angulation and 25% displacement. There is no proximal radioulnar joint (PRUJ) injury on examination. Regarding isolated ulna fractures (nightstick fractures):

Mark each as TRUE or FALSE

A

Isolated ulna shaft fractures (nightstick fractures) result from direct trauma to the forearm held i...

B

Non-operative treatment with functional bracing achieves union rates of 90-96% for appropriately sel...

C

All isolated ulna fractures require ORIF regardless of displacement; non-operative treatment is asso...

D

Indications for ORIF include angulation greater than 10 degrees, displacement greater than 50%, prox...

E

The ulna is subcutaneous throughout its length making a direct posterior approach straightforward; c...

Answer the questions to see explanations

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