Anterior inferior iliac spine avulsion injury

Case contributed by Marina Bernat
Diagnosis certain

Presentation

13-year-old patient, with no relevant pathological history. He went to the emergency system for right hip pain and ipsilateral functional impotence, after kicking the soccer ball.

Patient Data

Age: 13 years
Gender: Male

An oval echogenic image with posterior acoustic shadow is visualized in relation to the displacement of the anteroinferior iliac spine with respect to its insertion in the iliac bone.

Avulsion of the right anteroinferior iliac spine

Case Discussion

Avulsion or puncture fractures of the iliac spines are considered stable pelvic ring injuries. They are injuries with a good prognosis. These fractures occur due to an imbalance between the pulling force of the muscle or tendon and the resistance of the apophyseal cartilage where they are inserted. They are generally observed in adolescence, the age at which the ossification process of the apophyseal centers of the pelvis begins, and concurrently, it is more common for them to perform sports activities with greater energy and impact.

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