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Temporomandibular joints (TMJ)
Region of interest
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1. Large osteochondroma in left condylar head
A large, exophytic, bony growth is present along the anterosuperior surface of the left condylar head. This growth is comprised of trabecular bone that is surrounded by a cortical lining, and appears continuous with the trabecular and cortical bone of the left condylar head. This entity has caused inward displacement of the posterolateral wall of the left maxillary sinus, but the sinus wall remains intact. As well, the medial pole of this growth encroaches the left foramen ovale, where the mandibular branch of the trigeminal nerve resides. Clinical correlation is recommended to assess for the presence or absence of any associated neurologic symptoms. These findings suggest the presence of a large osteochondroma.
2. Arrested pneumatization of the sphenoid sinus
There is a well-defined, delicately corticated region of radiolucency located within the left sphenoid body, between the left vidian canal and foramen rotundum. There are no effects on the surrounding structures, and the contiguous cortical lining appears thin, but intact. These findings are suggestive of arrested pneumatization, which is a non-significant finding. Consultation with a physician is recommended to substantiate this interpretation.
3. Mild mucosal thickening in left maxillary sinus
Mild mucosal thickening is evident in the left maxillary sinus, which is suggestive of mucositis. This is a common incidental finding with no clinical significance.
4. Palatal exostosis
An exostosis comprised of cortical and trabecular bone is present at the palatal aspect of the alveolar process adjacent to teeth 27 and 28. This exostosis represents an incidental finding and does not require intervention.
5. Calcified stylohyoid ligament
The left stylohyoid ligament is partially calcified. This is an incidental finding with no significance.