Osteoma classification

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Maria Fernanda Villarreal, M.D. [2]

Overview

Osteoma may be classified into sporadic or multiple forms. The different subtypes of osteoma include; ivory osteoma, mature osteoma, and mixed osteoma.

Classification

The table below summarizes the different subtypes of osteoma.

Type of osteoma	Description
Ivory osteoma	Also known as eburnated osteoma Dense bone lacking haversian system
Mature osteoma	Also known as osteoma spongiosum Resembles normal bone, including trabecular bone often with marrow
Mixed osteoma	Mixture of ivory and mature histology