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Occult acetabulum fracture. A case report.

George Mouzopoulos¹, Nikolaos Lasanianos, Dimitrios Mouzopoulos

¹Orthopedic Department, Evangelismos Hospital, Athens, Greece. gmouzopoulos@yahoo.gr

Emergency Radiology

|January 12, 2008

Summary

Radiographically occult acetabular fractures are rare in young patients. Persistent groin pain after high-energy trauma warrants advanced imaging, even with negative initial X-rays, to diagnose these subtle fractures.

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Area of Science:

Orthopedic Surgery
Radiology
Trauma Care

Background:

Acetabular fractures are typically diagnosed via radiography.
Radiographically occult acetabular fractures are usually associated with low-energy trauma in older patients with osteoporosis.
These fractures are exceptionally rare in young individuals following high-energy incidents.

Observation:

A case study involving a young patient who sustained an occult acetabulum fracture after high-energy trauma is presented.
Initial radiographic evaluation did not reveal any fracture.
The patient experienced persistent groin pain.

Findings:

Occult acetabulum fractures in young patients are rare but possible, even after significant trauma.
Advanced imaging modalities are crucial for diagnosis when initial radiographs are inconclusive.

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Published on: June 6, 2025

Computed tomography (CT), magnetic resonance imaging (MRI), and bone scintigraphy are recommended.

Implications:

Highlights the importance of considering occult acetabular fractures in young trauma patients with persistent pain.
Emphasizes the limitations of standard radiography in detecting subtle acetabular injuries.
Underscores the need for a high index of suspicion and utilization of advanced imaging for accurate diagnosis and timely management.