PANNER DISEASE
Panner disease is the most common cause of lateral-sided elbow pain in children younger than 10 years.38 It is characterized by abnormal ossification, necrosis, and degeneration of the distal humeral ossification center (capitellum). It may or may not be associated with athletic activity. Patients present with vague, lateral-sided elbow pain without point tenderness. Plain radiographs often show fragmentation and fissuring of the entire humeral capitellum. Panner disease is self-limited and generally resolves spontaneously with rest and conservative management, including acetaminophen or NSAIDs.