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Disease / syndrome / tumor / condition
Region of interest
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1. Left sinus mucocele
The left maxillary sinus is completely opacified. The walls of the sinuses exhibit cystic expansion. This suggests that the sinus ostium is obstructed. A sinus mucocele has developed. This sinus mucocele has displaced the lateral wall of the nasal cavity, the floor of the orbit, the lateral wall of the maxilla and the roots of teeth 26 and 27. No dehiscences are present in the walls of the sinus.
Axial views of left maxilla
These axial cross-sectional images demonstrate the cystic expansion of the left maxillary sinus. The diameter of the sinus is 38mm. The displacements of the walls of the sinus are evident in these images.
Coronal views of maxilla
These coronal cross sectional images demonstrate the displacement of the orbital floor by the sinus mucocele. The right maxillary sinus appears normal. No ethmoid sinus pathology is present.
Sagittal views of left maxillary sinus
These sagittal cross-sectional images demonstrate the mesially tipped roots of tooth 26, and the distally tipped roots of tooth 27. No root resorption or damage has occurred around any of the teeth in the posterior second quadrant.
Mesially tipped tooth 26
The roots of tooth 26 have been mesially tipped by the mucocele present in the left maxillary sinus. No root resorption or damage occurred to tooth 26. Tooth 25 has not been affected by the mesially tipped tooth 26.
Distally tipped tooth 27
Tooth 27 has been distally tipped by the mucocele in the left maxillary sinus. No root resorption or damage has occurred to tooth 27. Tooth 28 has not been affected by the distal root of tooth 27.
Normal tooth 28
Tooth 28 appears normal radiographically and has not been affected by the sinus mucocele or the distally tipped tooth 27.
2. Calcified stylohyoid ligaments
The stylohyoid ligaments are partially calcified bilaterally. This is an incidental finding with no clinical significance.