Short report
Intra-operative localisation of skull base tumours. A case report
using the ISG viewing wand in the management of trigeminal neuroma
A W McEvoya, D G Portera, R Bradfordb, A Wrightc
a The
Gough-Cooper Department of Neurological Surgery, The Institute of
Neurology, The National Hospital for Neurology and
Neurosurgery, Queen Square, London WC1N 3BG, UK, b The Royal Free Hospital, Pond
Street, London NW3 2QG,
UK, c The Royal National Ear Nose and Throat
Hospital, Gray's Inn Road, London WC1X 8EE, UK
Accepted 6 July 1998
Deep-seated skull base tumours provide as much a challenge to
the surgeons' skills of localisation as to his technical abilities during the resection. These lesions are frequently inaccessible and lie
adjacent to vital structures requiring extensive cerebral retraction
for adequate exposure and direct visualisation. The ISG viewing wand is
a newly developed image guidance system to aid direction of the
operative approach and localisation of intracerebral pathology. We
discuss its use in the management of a trigeminal neuroma.
Keywords: neuronavigation; trigeminal neuroma
© 1999 by The Fellowship of Postgraduate Medicine
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