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Perineural Metastasis to The Cranial Nerves in Head and Neck Malignancies


CRITERIA OF DIAGNOSTIC IMAGING:

1. Presence of the primary lesion.

2. Enlargement and/or contrast opacification of the affected nerve.

3. Expansion, erosion, or destruction of bony boundaries of the involved foramen, canal, fissure, or fossa.

4. Enlargement of the gasserian ganglion or geniculate ganglion.

5. Involvement of the surrounding structure.

 

    

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