- True neoplasms capable of unlimited growth, in contrast to exostosis
- Common in ancient populations in middle ear, particularly Bedouins (Acta Otolaryngol 2005;125:1164)
- Asymptomatic solitary masses attached by narrow pedicle to tympanosquamous or tympanomastoid suture line
- Mature bone with bone marrow and intraosseous fibrovascular tissue covered by keratinized squamous epithelium
End of Ear > External ear tumors - benign / non-neoplastic > Osteoma
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