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Orthopaedics · Paediatric orthopaedics: Little leaguer's elbow
Sample itemA 13-year-old baseball pitcher has medial elbow pain with throwing and tenderness over the medial epicondyle. Radiographs show widening and fragmentation of the medial epicondylar physis. What is the diagnosis?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Medial epicondylar apophysitis (Little leaguer's elbow)
Repeated valgus stress during throwing causes traction by the flexor-pronator mass on the medial epicondylar apophysis. Treatment is rest from throwing and a gradual return, with pitch counts and technique correction. Continued throwing may result in avulsion of the epicondyle.
Option by option
A. Panner disease
Panner disease affects the capitellum on the lateral side of the elbow in children under 10.
B. Radial head subluxation
Radial head subluxation (nursemaid's elbow) follows a sudden pull on the hand in toddlers.
C. Medial epicondylar apophysitis (Little leaguer's elbow) (correct)
Correct. Valgus overload of the medial epicondylar physis in a young thrower is Little leaguer's elbow.
D. Lateral epicondylitis
Lateral epicondylitis affects the common extensor origin in adults and causes lateral elbow pain.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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