Severe trismus due to bilateral coronoid process hyperplasia in growth hormone therapy patient: a case report.
10.5125/jkaoms.2012.38.4.249
- Author:
Sung Tak LEE
1
;
In Kyo CHUNG
Author Information
1. Department of Oral and Maxillofacial Surgery, School of Dentistry, Pusan National University, Yangsan, Korea. inkchung@pusan.ac.kr
- Publication Type:Case Report
- Keywords:
Coronoid process hyperplasia;
Trismus
- MeSH:
Growth Hormone;
Human Growth Hormone;
Humans;
Hyperplasia;
Mouth;
Trismus;
Zygoma
- From:Journal of the Korean Association of Oral and Maxillofacial Surgeons
2012;38(4):249-254
- CountryRepublic of Korea
- Language:English
-
Abstract:
Bilateral coronoid process hyperplasia is a rare condition characterized by an enlarged mandibular coronoid process. The painless progressive reduction of a mouth opening is caused by coronoid process impingement on the posterior aspect of the zygomatic bone. Hyperplasia of the bilateral coronoid process leads to the restriction of a mandibular opening consequent to the impingement of the enlarged coronoid process on the temporal surface of the zygomatic bone or with the medial surface of the zygomatic arch. The process has been diagnosed as developmental hyperplasia. Otherwise, the development of the coronoid process may be associated with growth hormone. This paper describes a case of trismus caused by coronoid hyperplasia in an idiopathic short-stature patient who received growth hormone therapy by somatropin injections.
