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Case 140863

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Referral category

Disease / syndrome / tumor / condition

Region of interest

upper right

Referral reason

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1 Files Info

Canaray 140863

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1. Benign bone-forming neoplasm in right masticator space

A well-defined, corticated, mixed radiolucent-radiopaque mass is present within the right masticator space adjacent to the medial aspect of the coronoid process. The proximity of this bone-forming mass has resulted in osseous remodeling of the right coronoid process, which has been laterally deflected. The retromaxillary fat pat appears to be effaced, but this can not be definitively determined by cone beam CT imaging. Note that the posterolateral wall of the right maxillary sinus is intact and exhibits a normal contour.

The well-circumscribed periphery and remodeling effects of this mass on the coronoid process both support the interpretation of a benign bone-forming neoplasm. Medical referral is recommended for further imaging of the contiguous soft tissues, and biopsy and histopathologic evaluation are required for a definitive diagnosis.

Orthogonal views of bone-forming neoplasm in right masticator space

These orthogonal cross-sectional images demonstrate the approximate dimensions of bone-forming neoplasm in the right masticator space. There is no evidence of bony fusion between the coronoid process and this mass.

Orthogonal views of right masticator space

These orthogonal cross-sectional images demonstrate the heterogeneous density of the hard tissue mass within the right masticator space. The periphery is well-defined, and there is no evidence of osseous fusion between this mass and the right coronoid process. Note that the coronoid process is remodeled and laterally deflected due to the proximity to this mass, but no other abnormalities are associated with the mandible.

2. Soft tissue calcification adjacent to right mandibular ramus

A soft tissue calcification is located posterolateral to the posterior border of the right mandibular ramus. This may reflect a calcification originating within the parotid gland, and represent a sialolith or calcified parotid lymph node.

3. Widened PDL space on tooth 16MB+DB

The periodontal ligament spaces at the mesiobuccal and distobuccal root apices of the endodontically treated tooth 16 are mildly widened. The overlying buccal cortical plate is intact. This is most suggestive of a normal post-treatment appearance.

Impacted tooth 48

A small portion of the crown of an impacted tooth 48 is captured in this imaging volume. No further comments can be made based on this limited field of view.

4. Maxillary sinus mucositis

Moderate mucositis is present in the right maxillary sinus, and mild mucositis is evident in the left maxillary sinus. This is a non-significant incidental finding.

5. Ethmoid sinus mucositis

The ethmoid air cells demonstrate mucosal thickening, which reflects the presence of mucositis.

6. Elongated styloid processes

The styloid processes are elongated bilaterally. This is an incidental finding with no significance.