Download PDF
CC-BY-NC-ND 4.0 · Indian Journal of Neurosurgery 2017; 06(02): 141-143
DOI: 10.1055/s-0037-1602753
Case Report
Thieme Medical and Scientific Publishers Private Ltd.

Vestibular Schwannoma with Contralateral Facial Nerve Palsy: A False Localizing Sign

Mukesh K. Bhaskar
1   Department of Neurosurgery, King Gerorge's Medical University, Lucknow, Uttar Pradesh, India
,
Rakesh Kumar
1   Department of Neurosurgery, King Gerorge's Medical University, Lucknow, Uttar Pradesh, India
,
Sunil K. Singh
1   Department of Neurosurgery, King Gerorge's Medical University, Lucknow, Uttar Pradesh, India
,
M. Meel
2   Department of Pathology, RNT Medical College, Udaipur, Rajasthan, India
› Author Affiliations
Further Information

Publication History

03 September 2016

31 January 2017

Publication Date:
19 May 2017 (online)

Also available at
  Permissions and Reprints

Abstract

Vestibular schwannomas are the most common cerebellopontine angle tumors. These tumors commonly present with ipsilateral dysfunction of acoustic, vestibular, trigeminal, and facial nerves. Vestibular schwannoma with involvement of contralateral facial nerve is very unusual, and whenever present, it is considered as a false localizing sign. It seems that displacement and distortion of the brainstem by the large mass lesion may lead to this atypical presentation. We report a case of vestibular schwannoma with contralateral abducens and facial nerve paresis.

Keywords

vestibular schwannoma - facial nerve paresis - false localizing sign

Source(s) of Support

The study was supported by Department of Neurosurgery, King George's Medical University, Lucknow, Uttar Pradesh, India.


 

  • References

  • 1 Matthies C, Samii M. Management of 1000 vestibular schwannomas (acoustic neuromas): clinical presentation. Neurosurgery 1997; 40 (01) 1-9 , discussion 9–10
    PubMedSearch in Google Scholar
  • 2 Ro LS, Chen ST, Tang LM, Wei KC. Concurrent trigeminal, abducens, and facial nerve palsies presenting as false localizing signs: case report. Neurosurgery 1995; 37 (02) 322-324 , discussion 324–325
    CrossrefPubMedSearch in Google Scholar
  • 3 Paillas JE, Pellet W, Janny P, Tournilhac M, Komminoth J. L'atteinte contro-latérale des nerfs crâniens au cours des tumeurs de la fosse postérieure. Rev Neurol (Paris) 1969; 121 (04) 452-464
    PubMedSearch in Google Scholar
  • 4 Maurice-Williams RS. Multiple crossed false localizing signs in a posterior fossa tumour. J Neurol Neurosurg Psychiatry 1975; 38 (12) 1232-1234
    CrossrefPubMedSearch in Google Scholar
  • 5 Collier J. The false localizing signs of intracranial tumor. Brain 1904; 27: 492-508
    PubMedSearch in Google Scholar
  • 6 Larner AJ. False localising signs. J Neurol Neurosurg Psychiatry 2003; 74 (04) 415-418
    CrossrefPubMedSearch in Google Scholar
  • 7 Marshman LAG, Polkey CE, Penney CC. Unilateral fixed dilation of the pupil as a false-localizing sign with intracranial hemorrhage: case report and literature review. Neurosurgery 2001; 49 (05) 1251-1255 , discussion 1255–1256
    PubMedSearch in Google Scholar
  • 8 O'Connell JEA. Trigeminal false localizing signs and their causation. Brain 1978; 101 (01) 119-142
    CrossrefPubMedSearch in Google Scholar
  • 9 Cushing H. Strangulation from nervi abducentes by lateral branches of the basilar artery in cases of brain tumour. Brain 1910; 33: 204-235
    PubMedSearch in Google Scholar
  • 10 Lang J. Facial and vestibulocochlear nerve, topographic anatomy and variations. In: Samii M, Jannetta PJ. , eds. The Cranial Nerves. Berlin, Germany: Springer-Verlag; 1981: 363-377
    CrossrefSearch in Google Scholar
  • 11 Davie C, Kennedy P, Katifi HA. Seventh nerve palsy as a false localising sign. J Neurol Neurosurg Psychiatry 1992; 55 (06) 510-511
    CrossrefPubMedSearch in Google Scholar