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Disease / syndrome / tumor / condition
Region of interest
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1. Collapsed radicular cyst in anterior right maxilla
An irregular shaped entity with a sclerotic border is present in the anterior right maxilla and right maxillary sinus. The periphery of this entity is corticated and exhibits an infill of granular bone. This entity appears to originate at the endodontically-treated tooth 13. A persistent focus of rarefying osteitis is present on tooth 13. This lesion extends through the granular bone formation and an oro-antral defect is present in this region. This defect appears to be occupied by soft tissues. No significant antral inflammation is present. This appearance is suggestive of a collapsed radicular cyst associated with tooth 13.
2. Rarefying osteitis on tooth 13
A persistent focus of rarefying osteitis is present in the periapical region of the endodontically-treated tooth 13. This lesion extends through the granular bone in the collapsed radicular cyst to abut the elevated floor of the right maxillary sinus. This suggests the presence of an oro-antral defect, which appears to be filled with soft tissues. The existing obturation in tooth 13 is centrally positioned and extends to the radiographic apex. The remaining periradicular bone appears normal. There are no signs of a root fracture.
3. Mild mucositis of left maxillary sinus
The left maxillary sinus is partially captured in this imaging volume and exhibits mild mucositis, which represents an incidental finding with no clinical significance.