osteoma


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Related to osteoma: osteosarcoma

osteoma

[‚äs·tē′ō·mə]
(medicine)
A benign bone tumor, especially in membrane bones of the skull.
References in periodicals archive ?
Keywords: Conchae nasales, headache, nasal surgical procedures, osteoma
Key words: Osteoma, osteoid; Scapula--pathology; Shoulder joint--pathology; Pain--therapy; Case reports
Peripheral osteoma is an uncommon lesion, mostly occurring in young adults, which affects equally men and women.
The differential diagnosis at this point included traumatic causes for pain such as an occult fracture or ligament injury, as well as nontraumatic causes such as osteoid osteoma, other benign or malignant tumors, or even osteomyelitis.
Only 18 cases of Osteoma of the condyle have been reported in the literature to our knowledge.
These included: (1) a left-sided osteoma of the internal auditory meatus (figure 1, A); (2) a right-sided labyrinthitis ossificans in a patient with previous meningitis (figure 1, B); and (3) bilateral cochlear calcification, worse on the right than the left, in a patient with a clinical diagnosis of otosclerosis.
It measured about 1 cm, with smooth surface giving picture of osteoma [Figure 1].
The differential diagnosis includes infection like bacterial subacute or chronic osteomyelitis, neoplastic lesions like Ewing sarcoma, osteosarcoma, neuroblastoma metastasis, leukemia, lymphoma, eosinophilic granuloma, osteoid osteoma, and osteoblastoma.
Solitary lesions may mimic osteomyelitis related with bacteriae and fungi, simple and aneurismal bone cysts, cartilage tumors, and osteoid osteoma (2).
Osteoid osteoma is a relatively common benign bone tumor that appears most frequently in young patients.