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Journal of Postgraduate Medicine
Medknow Publications and Staff Society of Seth GS Medical College and KEM Hospital, Mumbai, India
ISSN: 0022-3859 EISSN: 0022-3859
Vol. 56, No. 3, 2010, pp. 213-215
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Bioline Code: jp10059
Full paper language: English
Document type: Case Report
Document available free of charge
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Journal of Postgraduate Medicine, Vol. 56, No. 3, 2010, pp. 213-215
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Normal pressure hydrocephalus after gamma knife radiosurgery for vestibular schwannoma
Mohammed, T. A.; Ahuja, M. S.; Ju, S. S. & Thomas, J.
Abstract
Vestibular schwannomas are not uncommon, and gamma knife radiosurgery is one of the treatment options for symptomatic tumors. Hydrocephalus is a complication of gamma knife treatment of vestibular schwannoma, though the mechanism of the development of hydrocephalus remains controversial. We present an unusual case of normal pressure hydrocephalus (NPH) after gamma knife radiosurgery of a vestibular schwannoma in which the timeline of events strongly suggests that gamma knife played a contributory role in the development of the hydrocephalus. This is probably the first case of NPH post radiosurgery with normal cerebrospinal fluid protein. Communicating hydrocephalus should be treated with placement of shunt while non-communicating hydrocephalus can be treated with third ventriculostomy. Frequent monitoring and early intervention post radiosurgery is highly recommended to prevent irreversible cerebral damage.
Keywords
Acoustic schwannoma, gamma knife surgery, normal pressure hydrocephalus
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