Resection of Large Petrotentorial Tumor via a Retrosigmoid Approach: 3-Dimensional Operative Video

Resection of Large Petrotentorial Tumor via a Retrosigmoid Approach: 3-Dimensional Operative Video SURGICAL VIDEO Resection of Large Petrotentorial Tumor via a Retrosigmoid Approach: 3-Dimensional Operative Video William T. Couldwell, MD, PhD Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, Utah Watch now at https://academic.oup.com/ons/article-lookup/doi/10.1093/ons/opy144 Correspondence: William T. Couldwell, MD, PhD, Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, 175 N Medical Drive East, Salt Lake City, UT 84132. E-mail: neuropub@hsc.utah.edu wasintimatelyinvolvedwiththe tumorasthe tumor A 22-yr-old female college athlete had noted ataxia during was emanating from the tentorial edge where the competitive gymnastic events. Magnetic resonance imaging revealed a large tumor compatible with preop- fourth nerve entered. In most instances, the nerves erative diagnosis of meningioma arising from the petro- are displaced by the tumor but in this case injury to tentorial region with marked brainstem compression. the fourth nerve ensued with dissection at the tumor The technical challenges associated with this removal attachment. After tumor resection, the interrupted fourth include safe dissection of cranial nerves IV to VIII and nerve was repaired microsurgically. A hemangioperi- dissection from the brainstem and cerebellum, taking cytoma was identified on pathological analysis, and the care to not interfere with blood supply to these struc- patient received postoperative radiation therapy, which tures. The vascular tumor was removed via standard hasbeen givenpostoperativelyor at recurrenceinthe suboccipital approach, with the trajectory above the literature. Technical nuances of removal are discussed. seventh/eighth nerve complex. The attachment was Patient consent was granted for publication of this at the petrotentorial junction, and the fourth nerve video. KEY WORDS: Hemangiopericytoma, Petrotentorial, Ataxia, Retrosigmoid approach, Skull base Operative Neurosurgery 0:1, 2018 DOI:10.1093/ons/opy144 Received, August 24, 2017. Accepted, May 8, 2018. Disclosure The author has no personal, financial, or institutional interest in any of the drugs, materials, or devices described in this article. OPERATIVE NEUROSURGERY VOLUME 0 | NUMBER 0 | 2018 | 1 Downloaded from https://academic.oup.com/ons/advance-article-abstract/doi/10.1093/ons/opy144/5003029 by Ed 'DeepDyve' Gillespie user on 12 July 2018 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Operative Neurosurgery Oxford University Press

Resection of Large Petrotentorial Tumor via a Retrosigmoid Approach: 3-Dimensional Operative Video

Free
1 page

Loading next page...
1 Page
 
/lp/ou_press/resection-of-large-petrotentorial-tumor-via-a-retrosigmoid-approach-3-4TTiuDwqnx
Publisher
Oxford University Press
Copyright
Copyright © 2018 by the Congress of Neurological Surgeons
ISSN
2332-4252
eISSN
2332-4260
D.O.I.
10.1093/ons/opy144
Publisher site
See Article on Publisher Site

Abstract

SURGICAL VIDEO Resection of Large Petrotentorial Tumor via a Retrosigmoid Approach: 3-Dimensional Operative Video William T. Couldwell, MD, PhD Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, Utah Watch now at https://academic.oup.com/ons/article-lookup/doi/10.1093/ons/opy144 Correspondence: William T. Couldwell, MD, PhD, Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, 175 N Medical Drive East, Salt Lake City, UT 84132. E-mail: neuropub@hsc.utah.edu wasintimatelyinvolvedwiththe tumorasthe tumor A 22-yr-old female college athlete had noted ataxia during was emanating from the tentorial edge where the competitive gymnastic events. Magnetic resonance imaging revealed a large tumor compatible with preop- fourth nerve entered. In most instances, the nerves erative diagnosis of meningioma arising from the petro- are displaced by the tumor but in this case injury to tentorial region with marked brainstem compression. the fourth nerve ensued with dissection at the tumor The technical challenges associated with this removal attachment. After tumor resection, the interrupted fourth include safe dissection of cranial nerves IV to VIII and nerve was repaired microsurgically. A hemangioperi- dissection from the brainstem and cerebellum, taking cytoma was identified on pathological analysis, and the care to not interfere with blood supply to these struc- patient received postoperative radiation therapy, which tures. The vascular tumor was removed via standard hasbeen givenpostoperativelyor at recurrenceinthe suboccipital approach, with the trajectory above the literature. Technical nuances of removal are discussed. seventh/eighth nerve complex. The attachment was Patient consent was granted for publication of this at the petrotentorial junction, and the fourth nerve video. KEY WORDS: Hemangiopericytoma, Petrotentorial, Ataxia, Retrosigmoid approach, Skull base Operative Neurosurgery 0:1, 2018 DOI:10.1093/ons/opy144 Received, August 24, 2017. Accepted, May 8, 2018. Disclosure The author has no personal, financial, or institutional interest in any of the drugs, materials, or devices described in this article. OPERATIVE NEUROSURGERY VOLUME 0 | NUMBER 0 | 2018 | 1 Downloaded from https://academic.oup.com/ons/advance-article-abstract/doi/10.1093/ons/opy144/5003029 by Ed 'DeepDyve' Gillespie user on 12 July 2018

Journal

Operative NeurosurgeryOxford University Press

Published: May 24, 2018

There are no references for this article.

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 18 million articles from more than
15,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Search

Query the DeepDyve database, plus search all of PubMed and Google Scholar seamlessly

Organize

Save any article or search result from DeepDyve, PubMed, and Google Scholar... all in one place.

Access

Get unlimited, online access to over 18 million full-text articles from more than 15,000 scientific journals.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

DeepDyve

Freelancer

DeepDyve

Pro

Price

FREE

$49/month
$360/year

Save searches from
Google Scholar,
PubMed

Create lists to
organize your research

Export lists, citations

Read DeepDyve articles

Abstract access only

Unlimited access to over
18 million full-text articles

Print

20 pages / month

PDF Discount

20% off