In the emergency room you examine a young girl who is "protecting" her right upper limb by holding it while maintaining the elbow flexed and forearm pronated. The patient's father related that the patient was misbehaving as the school bus door opened and
he inadvertently jerked her up by the hand to lift her onto the bus. You order a series of upper limb radiographs but are fairly certain the injury is:
A) a ruptured biceps tendon.
B) a ruptured pectoralis major tendon.
C) a dislocated (subluxed) radial head.
D) an avulsed lesser tubercle.
E) an avulsed medial humeral condyle.
Ans: C
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