Clinical ArticlesPeripheral osteoma of the oral and maxillofacial region: A study of 35 new cases☆
Section snippets
Materials and methods
A search of the files of the Department of Oral and Maxillofacial Surgery, University of Ankara, Dental Faculty and Gülhane Military Medical Academy, Department of Pathology, Turkey, between 1996 and 2001 revealed 35 cases of peripheral osteoma. The criteria used to diagnose osteoma included radiographic and histologic features (Figs 1 through 3).
Results
The clinical features of the 35 cases of osteoma are presented in Table 1.Region No. of Patients* Gender† Mandible 8 Processus condyllaris 1 — 1 F Processus coronoideus 1 1 M — Corpus 6 4 M 2 F Maxilla 5 Hard palate 2 1 M 1 F Processus alveolaris 3 1 M 2 F Sinuses 4 Frontal sinus 3 3 M — Maxillary sinus 1 — 1 F Frontal bone 10 7 M 3 F Orbita 1 1 M — External auditory canal 3 1 M 2 F Sphenoid bone 2 2 M — Occipital bone 2 2 M — *Total number of patients is 35. Average age is
Discussion
Peripheral osteomas occur most frequently in the frontal, ethmoid, and maxillary sinuses.2, 6 Other documented locations in craniofacial sites include the external auditory canal, orbit, temporal bone, pterygoid processes, and, rarely, in or on the jaws.7, 8, 9 Peripheral osteomas of the jaw bones are uncommon.1 A review of the English literature of the past 30 years revealed only 16 well-documented cases: 15 in the mandible and 1 in the body of the maxilla.7 There is a greater occurence in the
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2022, International Journal of PaleopathologyCitation Excerpt :The first typology arises from the endosteum, the second from the periosteum, and the last usually develops within a muscle (Castelnuovo et al., 2008). The etiology of osteoma is still debated, and it has not been clarified if it should be considered a true neoplasm or a developmental anomaly (Sayan et al., 2002). Currently, three theories about its pathogenesis have been proposed.
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Address correspondence and reprint requests to Dr Üçok: Ankara Üniversitesi, Dis Hekimlisi Fakültesi, Besevler, Ankara, Türkiye; e-mail: [email protected]