Imaging Features of Mandibular Ramus Osteoma on Computed Tomography: A Case Report With Literature Analysis

Area of Science:

• Oral and Maxillofacial Surgery
• Radiology
• Pathology

Background:

• Osteomas are benign, slow-growing bone tumors, commonly affecting the mandible and paranasal sinuses.
• Mandibular osteomas typically occur in the body, angle, or condyle, with the ramus being a less frequent site.
• These lesions consist of lamellar or cortical bone proliferation.

Purpose of the Study:

• To report a rare case of an asymptomatic osteoma on the right mandibular ramus.
• To describe the incidental discovery and management of this mandibular osteoma.
• To present a literature review of mandibular osteomas.

Main Methods:

• A 47-year-old woman with an asymptomatic mandibular osteoma was evaluated.
• Computed tomography (CT) with multiplanar and 3D reformations using a 128-row CT device was performed.
• A comprehensive literature review of mandibular osteoma cases was conducted.

Main Results:

• An asymptomatic osteoma was incidentally discovered on the lingual surface of the right mandibular ramus.
• The osteoma showed no dimensional growth over a 2-year follow-up period.
• Surgical intervention was not required due to the asymptomatic nature and stability of the lesion.

Conclusions:

• This case highlights a rare presentation of a mandibular ramus osteoma.
• Asymptomatic and stable osteomas may not necessitate surgical treatment.
• Further classification of mandibular osteomas based on size, age, and gender is presented in the literature review.