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Case Reports

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Asymptomatic Myositis Ossificans of the Medial Pterygoid Muscles: A Case Report

  • Karen A. Tong1
  • Edwin L. Christiansen2
  • William Heisler3
  • David B. Hinshaw4
  • Anton N. Hasso5

1Department of Radiology, Loma Linda University Medical Center, PO Box 2000, Loma Linda, California 92354, USA

2Department of Oral Diagnosis, Radiology, Pathology, Loma Linda University Medical Center, PO Box 2000, Loma Linda, California 92354, USA

3School of Dentistry, Loma Linda University, PO Box 2000, Loma Linda, California 92354, USA

4Section of Magnetic Resonance, Imaging, Loma Linda University, PO Box 2000, Loma Linda, California 92354, USA

5Department of Radiology, Section of N euro radio logy, Loma Linda University Medical Center, PO Box 2000, Loma Linda, California 92354, USA

DOI: 10.11607/jofph.08223 Vol.8,Issue 2,June 1994 pp.223-226

Published: 30 June 1994

Abstract

Traumatic myositis ossificans, also known as myositis ossificans circumscripta or fibrodysplasia ossificans circumscripta, is a form of dystrophic calcification leading to heterotopic ossification of intramuscular connective tissue. This is usually due to a single severe injury or repeated minor injuries to muscle, although cases without a history of injury have been reported. Heterotopic ossification is rare in the orofacial region, especially in the medial pterygoid muscles. A case of medial pterygoid myositis ossificans with unique computed tomography findings is described.


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Karen A. Tong,Edwin L. Christiansen,William Heisler,David B. Hinshaw,Anton N. Hasso. Asymptomatic Myositis Ossificans of the Medial Pterygoid Muscles: A Case Report. Journal of Oral & Facial Pain and Headache. 1994. 8(2);223-226.

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