Osteoma

An osteoma (plural osteomas or less commonly osteomata) is a new piece of bone usually growing on another piece of bone, typically the skull. It is a benign tumor.

Osteoma
Osteoma of external auditory meatus
SpecialtyOncology Edit this on Wikidata

When the bone tumor grows on other bone it is known as "homoplastic osteoma"; when it grows on other tissue it is called "heteroplastic osteoma".[1]

Osteoma represents the most common benign neoplasm of the nose and paranasal sinuses. The cause of osteomas is uncertain, but commonly accepted theories propose embryologic, traumatic, or infectious causes. Osteomas are also found in Gardner's syndrome. Larger craniofacial osteomas may cause facial pain, headache, and infection due to obstructed nasofrontal ducts. Often, craniofacial osteoma presents itself through ocular signs and symptoms (such as proptosis).[2]

Variants
  • Osteoma of the frontal sinus seen on x-ray
    Osteoma of the frontal sinus seen on x-ray
  • Osteoma of the frontal sinus on CT
    Osteoma of the frontal sinus on CT
  • Osteoma
    Osteoma

See also

References
  1. "Head and Neck Osteoma". Penn Medicine. February 2, 2023.
  2. Michael S. Schwartz, MD; Dennis M. Crockett, MD. "Management of a Large Frontoethmoid Osteoma with Sinus Cranialization and Cranial Bone Graft Reconstruction". International Journal of Pediatric Otorhinolaryngology.
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