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Transnasal Access for Sampling a Skull Base LesionGo

Rajendra PhadkeGo,a, Manash Sahaa, Kashinath Prasada and Deepak Goyala

a From theDepartments of Radiodiagnosis (R.P., M.S.), Microbiology (K.P.), and Neurology (D.G.), Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India.



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  		FIG 1. Case 2: 64-year-old man undergoing transnasal access for sampling a skull base lesion.

A and B, Lateral CT scout images. Metal canula was advanced over a guidewire placed transnasally (A). After removal of the guidewire, the canula was directed slightly superiorly to the nasopharyngeal mass (B).

C, Axial CT scan shows the tip of the metal canula in the nasopharyngeal lesion (arrow).





Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X