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Dentomaxillofacial Radiology, Vol 31, Issue 3 204-208, Copyright © 2002 by British Institute of Radiology

ARTICLES

Denervation atrophy of the masticatory muscles in a patient with nasopharyngeal cancer: MR examinations before and after radiotherapy

Y. Ariji, N. Fuwa, H. Tachibana and E. Ariji
Department of Oral and Maxillofacial Radiology, University School of Dentistry, Nagoya, Japan. ariji@dpc.aichi-gakuin.ac.jp

We report on a patient with denervation atrophy of the masticatory muscles due to nasopharyngeal cancer who received therapeutic irradiation. Magnetic resonance imaging has significantly contributed to aid diagnosis of this pathology. Masticatory muscle atrophy should be a definitive finding of perineural invasion caused by head and neck tumors. Radiologists should be familiar with this appearance to avoid confusion with tumor invasion of the muscle.


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Y Ariji, N Fuwa, M Toyama, M Katoh, M Gotoh, and E Ariji
MR features of masticatory muscles in adenoid cystic carcinoma involving the masticator space
Dentomaxillofac. Radiol., September 1, 2004; 33(5): 345 - 350.
[Abstract] [Full Text] [PDF]


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