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Disease / syndrome / tumor / condition
Region of interest
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1. Fracture planes involving anterior and posterolateral walls of left maxillary sinus
A fracture plane extends through the anterior wall of the left maxillary sinus, which has resulted in depression of the anterior sinus wall. A displaced fracture is also evident within the posterolateral wall of the left maxillary sinus, and the resulting fracture fragment is depressed into the antral cavity. The medial sinus wall remains intact, as do the pterygoid plates. Mucositis is evident within the left maxillary sinus.
2. Displaced left orbital floor fracture
The left orbital floor is fractured and inferiorly displaced into the left maxillary sinus. This fracture plane involves the infraorbital nerve canal, which is the source of the purported paresthesia. The history of orbital rim repair exhibits a normal post-treatment appearance.
3. Fracture involving left zygomaticofrontal suture
The left zygomaticofrontal suture is increased in caliber compared to the contralateral side, and small non-displaced fracture fragments are evident in this region. No significant displacement of these fragments is noted.
3D reconstruction of left midface
This 3D reconstruction of the left midface region demonstrates the increase in caliber of the left zygomaticofrontal suture. The mildly depressed anterior wall of the left maxillary sinus is also evident, which has resulted from a fracture plane in this area. The fractures involving the left orbital floor and posterolateral maxillary sinus wall are not visible in this reconstruction.
Axial views of midface
These axial cross-sectional images demonstrate displaced fracture planes extending through the anterior and posterolateral walls of the left maxillary sinus. Views of the normal right maxillary sinus are provided for comparison of the sinus wall contours. The pterygoid plates are intact.
Additional axial views of left maxillary sinus
These axial cross-sectional images demonstrate depression of the fractured posterolateral wall of the left maxillary sinus into the antral air space. Note that the medial sinus wall remains intact.
Coronal views of midface
These coronal cross-sectional images demonstrate inferior displacement of the left orbital floor fracture into the left antral cavity. The left orbital rim repair appears normal.
Sagittal views of left maxillary sinus
These sagittal cross-sectional images demonstrate mucositis within the left maxillary sinus, which is the result of multiple fracture planes involving the anterior and posterolateral sinus walls, as well as the orbital floor.
No evidence of dental fracture
The dentition in the left posterior maxilla does not exhibit any evidence of fracture or odontogenic pathology.
Periodontal bone loss + calculus
Generalized mild horizontal periodontal bone loss and calculus deposition are noted.
4. Calcified stylohyoid ligaments
The stylohyoid ligaments are partially calcified bilaterally. This is an incidental finding with no clinical significance.
5. Mild cervical degenerative joint disease
Small osteophytes and a joint mouse are present in the articular regions of the atlas and dens of the cervical vertebrae. This is a common incidental finding with no clinical significance that is suggestive of mild cervical degenerative joint disease.
6. Nasal jewellery in place during scan
A single item of nasal jewellery was left in place during the scan.