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Disease / syndrome / tumor / condition
Region of interest
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1. Pseudocyst in posterior left maxillary sinus
A well-defined, unilocular soft tissue or fluid entity with a non-corticated periphery is present on the floor of the left maxillary sinus adjacent to the left maxillary tuberosity. This entity likely represents an antral pseudocyst, and is a non-significant incidental finding. No treatment is required. Tooth 27 has not been affected by the entity. A normal sinus floor separates the pseudocyst from tooth 27.
Axial views of posterior left maxilla
These axial cross-sectional images demonstrate the non-corticated periphery of the pseudocyst that is present in the loculation of the posterior left maxillary sinus that extends into the left maxillary tuberosity. There have been no effects on the surrounding structures.
Mesiodistal views of posterior second quadrant
These mesiodistal cross-sectional images demonstrate the presence of the pseudocyst on the posterior floor of the left maxillary sinus within the loculation that extends into the tuberosity. Note the absence of any effects of this pseudocyst upon the adjacent structures.