angulation (use the anterior humeral line).location and especially presence of articular involvement.anterior humeral line should intersect the middle third of the capitellum in most children 2 although, in children under 4, the anterior humeral line may pass through the anterior third without injuryĪfter ensuring that the films are technically adequate, assessment should include:.anterior fat pad sign (sail sign): the anterior fat pad is elevated by a joint effusion and appears as a lucent triangle on the lateral projection.In such cases assessing for indirect signs is essential: Often, however, no fracture line can be identified. Lateral and AP radiographs are usually sufficient, and in many instances demonstrate an obvious fracture.
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