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MR imaging in two cases of subacute denervation change in the muscles of facial expression

MR imaging in two cases of subacute denervation change in the muscles of facial expression AMERICAN JOURNAL OF NEURORADIOLOGY Fischbein, N. J., Kaplan, M. J., Jackler, R. K., Dillon, W. P. 2001; 22 (5): 880-884

Abstract

Denervation changes in muscle following damage to cranial and peripheral nerves can be observed on both CT and MR imaging studies. These findings are well described for cranial nerves (CN) V, X, XI, and XII. The CT findings of denervation atrophy due to CN VII dysfunction have been reported. We describe the MR imaging findings in two patients with perineural spread of tumor along CN VII. Both patients showed T2 prolongation and postcontrast enhancement in muscles of facial expression, suggestive of subacute denervation changes.

View details for Web of Science ID 000168681600017

View details for PubMedID 11337333