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Table of Contents    
NI FEATURE: THE FIRST IMPRESSION
Year : 2021  |  Volume : 69  |  Issue : 4  |  Page : 787-788

Microsurgical Management of PICA Aneurysms


Department of Neurosurgery, LSU Health Sciences, Shreveport, US

Date of Submission17-Aug-2021
Date of Decision17-Aug-2021
Date of Acceptance17-Aug-2021
Date of Web Publication2-Sep-2021

Correspondence Address:
Sandeep Kandregula
Department of Neurosurgery, LSU Health Sciences, Shreveport
US
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0028-3886.325441

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How to cite this article:
Kandregula S, Guthikonda B. Microsurgical Management of PICA Aneurysms. Neurol India 2021;69:787-8

How to cite this URL:
Kandregula S, Guthikonda B. Microsurgical Management of PICA Aneurysms. Neurol India [serial online] 2021 [cited 2021 Oct 19];69:787-8. Available from: https://www.neurologyindia.com/text.asp?2021/69/4/787/325441


Posterior Inferior cerebellar artery (PICA) aneurysms are the second most common posterior circulation aneurysms after basilar apex aneurysms. Although the PICA aneurysm can be treated by clipping and coiling, sometimes smaller caliber of the PICA, wide neck aneurysms and the mass effect over the adjacent brainstem structures dictates a microsurgical management.

Generally, the proximal PICA aneurysms were managed using the variants of the far lateral and retro sigmoid approaches and distal aneurysms using the midline approaches. Given the vast variations in the origin of the PICA aneurysm from vertebral artery, a careful pre-operative planning is essential. High riding vertebral artery is one of the important variations where a modified retro mastoid craniotomy which enables the access to the glossopharyngeal-acoustic triangle for clipping of the PICA aneurysms along with the proximal and distal control.[1] In this illustration we intend to show the modified retro mastoid craniotomy and the anatomy of glossopharyngeal -acoustic triangle.

Device: I pad pro-12

Software: Procreate



 
  References Top

1.
Peitz GW, McDermott RA, Baranoski JF, Lawton MT, Mascitelli JR. Extended retrosigmoid craniotomy and approach through the glossopharyngeal cochlear triangle for clipping of a high-riding vertebral-posterior inferior cerebellar artery aneurysm: 2-dimensional operative video. Operative Neurosurgery. 2021 May 14.  Back to cited text no. 1
    




 

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