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==Overview==
==Overview==
Osteoma may be classified into sporadic or multiple forms. The different subtypes of osteoma include; ivory osteoma, mature osteoma, and mixed osteoma.<ref> Osteoma. Dr Ahmed Abd Rabou and A.Prof Frank Gaillard et al.http://radiopaedia.org/articles/osteoma Accessed on January 15, 2016</ref>
==Classification==
==Classification==
* "Osteoma cutis" (also known as "[[Albright's hereditary osteodystrophy]]")
 
* "Osteoid osteoma": An [[osteoid osteoma]] is a small benign lesion that can occur in any bone of the body, but is most frequently found in the leg. Another common location is the spine, where the tumor may cause a painful type of [[scoliosis]]. Osteoid osteomas typically affect teenagers and young adults, and are more prevalent among males than females. The tumors produce excess bone and secrete pain-causing [[prostaglandins]], resulting in intense pain that is especially pronounced at night, when it can awaken the patient from sleep. The pain is temporarily well-relieved by aspirin or [[ibuprofen]], but surgical intervention is usually necessary for complete [[palliation]]. Some osteoid osteomas can be treated by a less-invasive procedure known as [[radiofrequency ablation]], but this procedure is ill-suited for tumors in areas such as the hand or spine, as it involves heating the tumor to a high temperature that may cause damage to nerves in the surrounding area. Osteoid osteomas may spontaneously resolve without treatment, but there is currently no way of detecting if and when this is likely to occur.
The table below summarizes the different subtypes of osteoma.
* "Fibro-osteoma"
 
* "Chondro-osteoma"
{| style="border: 0px; font-size: 90%; margin: 3px; width: 800px" align=center
|valign=top|
|+
! style="background: #4479BA; width: 200px;" | {{fontcolor|#FFF|Type of osteoma}}
! style="background: #4479BA; width: 300px;" | {{fontcolor|#FFF|Description}}
|-
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold; text-align:center;"| Ivory osteoma
| style="padding: 5px 5px; background: #F5F5F5;"|
*Also known as eburnated osteoma  
*Dense bone lacking haversian system
|-
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold; text-align:center;"| Mature osteoma
| style="padding: 5px 5px; background: #F5F5F5;"|
*Also known as osteoma spongiosum
*Resembles normal bone, including trabecular bone often with marrow
|-
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold; text-align:center;"| Mixed osteoma
| style="padding: 5px 5px; background: #F5F5F5;"|
*Mixture of ivory and mature histology
|}


==References==
==References==
{{reflist|2}}
{{reflist|1}}


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[[Category:Disease]]
[[Category:Disease]]
[[Category:Oncology]]
[[Category:Up-To-Date]]
[[Category:Oncology]]
[[Category:Medicine]]
[[Category:Orthopedics]]

Latest revision as of 14:53, 27 November 2017

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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.[1]

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

References

  1. ↑ Osteoma. Dr Ahmed Abd Rabou and A.Prof Frank Gaillard et al.http://radiopaedia.org/articles/osteoma Accessed on January 15, 2016

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