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American Journal of Neuroradiology 28:981-982, May 2007
© 2007 American Society of Neuroradiology

Case Report
HEAD & NECK

CT Features of an Unusual Calcified Schwannoma of the Superior Laryngeal Nerve

A.-L. Moronia, C. Righinic, C. Faureb, G. Serra-Tosioa and V. Lefourniera

a Department of Neuroradiology, Centre Hospitalier Universitaire A. Michallon, Grenoble, France
b Department of Pathology, Centre Hospitalier Universitaire A. Michallon, Grenoble, France
c Department of Otolaryngology and Cervicofacial Surgery, Centre Hospitalier Universitaire A. Michallon, Grenoble, France

Please address correspondence to Virginie Lefournier, MD, Service de Neuroradiologie, Centre Hospitalier Universitaire A. Michallon, BP 217, 38043 Grenoble cedex 9, France; e-mail: VLefournier{at}chu-grenoble.fr

SUMMARY: We report the CT findings in a patient with a lateral neck mass histologically diagnosed as a laryngeal schwannoma but presenting some uncommon CT features. CT showed unusual calcified components, very rarely observed and potentially misleading for diagnosis. However, this imaging feature can be found in ancient schwannomas. Our case is, therefore, a very rare one and reviews the main differential diagnoses.




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