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Partially Thrombosed Internal Maxillary Pseudoaneurysm after Gunshot Wound
1Department of Radiology, Lincoln Medical Center, New York City, New York.
Craniomaxillofacial Trauma & Reconstruction
|November 12, 2016
Summary
A gunshot victim developed a pseudoaneurysm in the internal maxillary artery. CT angiography aided diagnosis, and coil embolization successfully treated this rare facial trauma complication.
Area of Science:
- Trauma Surgery
- Vascular Radiology
- Head and Neck Surgery
Background:
- Facial gunshot wounds can cause complex injuries, including vascular damage.
- Pseudoaneurysms are rare but serious complications of penetrating facial trauma.
- Early diagnosis and intervention are crucial for managing vascular injuries.
Observation:
- A 29-year-old male presented with multiple facial bone fractures after a gunshot wound.
- A partially thrombosed pseudoaneurysm of the internal maxillary artery was identified on CT angiography 10 days post-injury.
- The pseudoaneurysm was located in the parapharyngeal fat pad.
Findings:
- Computed tomography (CT) initially revealed facial fractures.
- CT angiography provided essential diagnostic information for the pseudoaneurysm.
- Successful treatment was achieved using endovascular coil embolization.
Implications:
- CT angiography can be a valuable tool for diagnosing pseudoaneurysms in cases of facial trauma.
- Coil embolization is an effective treatment for internal maxillary artery pseudoaneurysms.
- This case highlights the importance of considering vascular complications in penetrating facial injuries.