Anterior superior iliac spine avulsion fracture

Case contributed by Dr Bruno Di Muzio

Presentation

Trauma - MVA. The patient was assessed initially with trauma radiographs accordingly to the ATLS. Select pelvis radiograph and select CT images are show and discussed.

Patient Data

Age: 40-year-old
Gender: Female

Pelvis Mobile supine projection: Curvilinear osseous density adjacent to the left anterior superior iliac spine, compatible with an avulsion fracture. No further fracture seen. 

 

Lumbar vertebral bodies are normally aligned. Minimally displaced fractures of left transverse process of L1-3. Avulsion fracture of the anterior superior iliac spine on the left. The remainder Chest, Abdomen and Pelvis studies are unremarkable (not shown). ​

Case Discussion

ASIS avulsion, like other pelvic avulsion injuries, is a stable fracture.

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