Functional outcome after gamma knife treatment in vestibular schwannoma
Radiosurgery (RS) is a noninvasive, ambulatory special neurosurgical procedure for the treatment of vestibular schwannoma (VS). We treated 123 patients with unilateral schwannomas between 1994 and 2000 at the gamma knife (GK) center in Munich using a primary stereotactic procedure. These patients we...
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Veröffentlicht in: | European archives of oto-rhino-laryngology 2006-08, Vol.263 (8), p.714-718 |
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creator | HEMPEL, J. M HEMPEL, E WOWRA, B SCHICHOR, Ch MUACEVIC, A RIEDERER, A |
description | Radiosurgery (RS) is a noninvasive, ambulatory special neurosurgical procedure for the treatment of vestibular schwannoma (VS). We treated 123 patients with unilateral schwannomas between 1994 and 2000 at the gamma knife (GK) center in Munich using a primary stereotactic procedure. These patients were followed up until June 2004 in respect to audiological, neurological, neurootological and radiological features before and after radiosurgical intervention. The actual tumor control rate of 8.2 years (mean) after GK surgery for all patients and a single treatment was calculated to be 96.7%. The impairment of hearing was on average 18% after GK, ranking from 0% gain of hearing loss up to 90%. Facial nerve function, graded according to the House-Brackmann scale, deteriorated in none of the patients; 5.8% reported a trigeminal neuralgia. Tinnitus developed in 4.1% of the patients after RS; 13.3% had vertigo for the first time after the treatment, age apparently being a predisposing factor. Radiosurgical treatment for VS is an alternative to microsurgery (MS). It is associated with a lower rate of facial and trigeminal neuropathy, postoperative complications and hospital stay. The hearing preservation rate is equivalent to MS. |
doi_str_mv | 10.1007/s00405-006-0054-6 |
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M ; HEMPEL, E ; WOWRA, B ; SCHICHOR, Ch ; MUACEVIC, A ; RIEDERER, A</creator><creatorcontrib>HEMPEL, J. M ; HEMPEL, E ; WOWRA, B ; SCHICHOR, Ch ; MUACEVIC, A ; RIEDERER, A</creatorcontrib><description>Radiosurgery (RS) is a noninvasive, ambulatory special neurosurgical procedure for the treatment of vestibular schwannoma (VS). We treated 123 patients with unilateral schwannomas between 1994 and 2000 at the gamma knife (GK) center in Munich using a primary stereotactic procedure. These patients were followed up until June 2004 in respect to audiological, neurological, neurootological and radiological features before and after radiosurgical intervention. The actual tumor control rate of 8.2 years (mean) after GK surgery for all patients and a single treatment was calculated to be 96.7%. The impairment of hearing was on average 18% after GK, ranking from 0% gain of hearing loss up to 90%. Facial nerve function, graded according to the House-Brackmann scale, deteriorated in none of the patients; 5.8% reported a trigeminal neuralgia. Tinnitus developed in 4.1% of the patients after RS; 13.3% had vertigo for the first time after the treatment, age apparently being a predisposing factor. Radiosurgical treatment for VS is an alternative to microsurgery (MS). It is associated with a lower rate of facial and trigeminal neuropathy, postoperative complications and hospital stay. The hearing preservation rate is equivalent to MS.</description><identifier>ISSN: 0937-4477</identifier><identifier>EISSN: 1434-4726</identifier><identifier>DOI: 10.1007/s00405-006-0054-6</identifier><identifier>PMID: 16741754</identifier><language>eng</language><publisher>Berlin: Springer</publisher><subject>Adult ; Aged ; Aged, 80 and over ; Audiometry, Pure-Tone ; Auditory Threshold ; Biological and medical sciences ; Facial Nerve Injuries ; Female ; Follow-Up Studies ; Hearing Loss ; Humans ; Incidence ; Magnetic Resonance Imaging ; Male ; Medical sciences ; Middle Aged ; Neurology ; Neuroma, Acoustic - surgery ; Otorhinolaryngology. Stomatology ; Postoperative Complications ; Radiosurgery - methods ; Retrospective Studies ; Tinnitus ; Treatment Outcome ; Trigeminal Nerve - physiopathology ; Trigeminal Nerve Injuries ; Trigeminal Neuralgia - etiology ; Trigeminal Neuralgia - physiopathology ; Tumors of the nervous system. 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M</creatorcontrib><creatorcontrib>HEMPEL, E</creatorcontrib><creatorcontrib>WOWRA, B</creatorcontrib><creatorcontrib>SCHICHOR, Ch</creatorcontrib><creatorcontrib>MUACEVIC, A</creatorcontrib><creatorcontrib>RIEDERER, A</creatorcontrib><title>Functional outcome after gamma knife treatment in vestibular schwannoma</title><title>European archives of oto-rhino-laryngology</title><addtitle>Eur Arch Otorhinolaryngol</addtitle><description>Radiosurgery (RS) is a noninvasive, ambulatory special neurosurgical procedure for the treatment of vestibular schwannoma (VS). We treated 123 patients with unilateral schwannomas between 1994 and 2000 at the gamma knife (GK) center in Munich using a primary stereotactic procedure. These patients were followed up until June 2004 in respect to audiological, neurological, neurootological and radiological features before and after radiosurgical intervention. The actual tumor control rate of 8.2 years (mean) after GK surgery for all patients and a single treatment was calculated to be 96.7%. The impairment of hearing was on average 18% after GK, ranking from 0% gain of hearing loss up to 90%. Facial nerve function, graded according to the House-Brackmann scale, deteriorated in none of the patients; 5.8% reported a trigeminal neuralgia. Tinnitus developed in 4.1% of the patients after RS; 13.3% had vertigo for the first time after the treatment, age apparently being a predisposing factor. Radiosurgical treatment for VS is an alternative to microsurgery (MS). It is associated with a lower rate of facial and trigeminal neuropathy, postoperative complications and hospital stay. The hearing preservation rate is equivalent to MS.</description><subject>Adult</subject><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Audiometry, Pure-Tone</subject><subject>Auditory Threshold</subject><subject>Biological and medical sciences</subject><subject>Facial Nerve Injuries</subject><subject>Female</subject><subject>Follow-Up Studies</subject><subject>Hearing Loss</subject><subject>Humans</subject><subject>Incidence</subject><subject>Magnetic Resonance Imaging</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Neurology</subject><subject>Neuroma, Acoustic - surgery</subject><subject>Otorhinolaryngology. Stomatology</subject><subject>Postoperative Complications</subject><subject>Radiosurgery - methods</subject><subject>Retrospective Studies</subject><subject>Tinnitus</subject><subject>Treatment Outcome</subject><subject>Trigeminal Nerve - physiopathology</subject><subject>Trigeminal Nerve Injuries</subject><subject>Trigeminal Neuralgia - etiology</subject><subject>Trigeminal Neuralgia - physiopathology</subject><subject>Tumors of the nervous system. 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Stomatology</topic><topic>Postoperative Complications</topic><topic>Radiosurgery - methods</topic><topic>Retrospective Studies</topic><topic>Tinnitus</topic><topic>Treatment Outcome</topic><topic>Trigeminal Nerve - physiopathology</topic><topic>Trigeminal Nerve Injuries</topic><topic>Trigeminal Neuralgia - etiology</topic><topic>Trigeminal Neuralgia - physiopathology</topic><topic>Tumors of the nervous system. Phacomatoses</topic><topic>Vertigo</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>HEMPEL, J. M</creatorcontrib><creatorcontrib>HEMPEL, E</creatorcontrib><creatorcontrib>WOWRA, B</creatorcontrib><creatorcontrib>SCHICHOR, Ch</creatorcontrib><creatorcontrib>MUACEVIC, A</creatorcontrib><creatorcontrib>RIEDERER, A</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>European archives of oto-rhino-laryngology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>HEMPEL, J. M</au><au>HEMPEL, E</au><au>WOWRA, B</au><au>SCHICHOR, Ch</au><au>MUACEVIC, A</au><au>RIEDERER, A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Functional outcome after gamma knife treatment in vestibular schwannoma</atitle><jtitle>European archives of oto-rhino-laryngology</jtitle><addtitle>Eur Arch Otorhinolaryngol</addtitle><date>2006-08-01</date><risdate>2006</risdate><volume>263</volume><issue>8</issue><spage>714</spage><epage>718</epage><pages>714-718</pages><issn>0937-4477</issn><eissn>1434-4726</eissn><abstract>Radiosurgery (RS) is a noninvasive, ambulatory special neurosurgical procedure for the treatment of vestibular schwannoma (VS). We treated 123 patients with unilateral schwannomas between 1994 and 2000 at the gamma knife (GK) center in Munich using a primary stereotactic procedure. These patients were followed up until June 2004 in respect to audiological, neurological, neurootological and radiological features before and after radiosurgical intervention. The actual tumor control rate of 8.2 years (mean) after GK surgery for all patients and a single treatment was calculated to be 96.7%. The impairment of hearing was on average 18% after GK, ranking from 0% gain of hearing loss up to 90%. Facial nerve function, graded according to the House-Brackmann scale, deteriorated in none of the patients; 5.8% reported a trigeminal neuralgia. Tinnitus developed in 4.1% of the patients after RS; 13.3% had vertigo for the first time after the treatment, age apparently being a predisposing factor. Radiosurgical treatment for VS is an alternative to microsurgery (MS). It is associated with a lower rate of facial and trigeminal neuropathy, postoperative complications and hospital stay. 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subjects | Adult Aged Aged, 80 and over Audiometry, Pure-Tone Auditory Threshold Biological and medical sciences Facial Nerve Injuries Female Follow-Up Studies Hearing Loss Humans Incidence Magnetic Resonance Imaging Male Medical sciences Middle Aged Neurology Neuroma, Acoustic - surgery Otorhinolaryngology. Stomatology Postoperative Complications Radiosurgery - methods Retrospective Studies Tinnitus Treatment Outcome Trigeminal Nerve - physiopathology Trigeminal Nerve Injuries Trigeminal Neuralgia - etiology Trigeminal Neuralgia - physiopathology Tumors of the nervous system. Phacomatoses Vertigo |
title | Functional outcome after gamma knife treatment in vestibular schwannoma |
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