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AJR Am J Roentgenol. 1985 Jan;144(1):163-9.

CT of perineural tumor extension: pterygopalatine fossa.

Abstract

Tumors of the oral cavity and paranasal sinuses can spread along nerves to areas apparently removed from the primary tumor. In tumors of the palate, sinuses, and face, this "perineural" spread usually involves the maxillary division of the trigeminal nerve. The pterygopalatine fossa is a pathway of the maxillary nerve and becomes a key landmark in the detection of neural metastasis by computed tomography (CT). Obliteration of the fat in the fossa suggests pathology. Case material illustrating neural extension is presented and the CT findings are described.

PMID:
2981124
DOI:
10.2214/ajr.144.1.163
[Indexed for MEDLINE]

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