Distal posterior inferior cerebellar artery (PICA) displacement with end-to-side anastomosis to contralateral PICA: a novel bypass surgery for PICA aneurysm. Illustrative case.

Yunyu Wen, Wenfeng Feng, Songtao Qi, Gang Wang

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Article in Journal of neurosurgery. Case lessons, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 authors.

Yunyu WenDepartment of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China.

Wenfeng FengDepartment of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China.

Songtao QiDepartment of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China.

Gang WangDepartment of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China.ORCID 0000-0003-3827-2653

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundPosterior inferior cerebellar artery (PICA) aneurysms pose significant surgical challenges. The authors present a novel bypass technique involving distal PICA displacement and end-to-side anastomosis to the contralateral PICA. OBSERVATIONS: The authors describe a successful case in which the distal PICA was relocated, followed by an end-to-side anastomosis to the contralateral PICA, effectively bypassing the aneurysm and restoring normal blood flow. LESSONS: This innovative approach highlights the potential of bypass surgery for PICA aneurysms, particularly when traditional endovascular methods are unsuitable. Individual anatomical considerations are crucial for effective treatment planning. https://thejns.org/doi/10.3171/CASE24741.

Indexed as

bypass surgerycerebrovascular surgeryend-to-side anastomosisPICAposterior inferior cerebellar artery aneurysmposterior inferior cerebellar artery displacement

Identifiers

PMID40294536

DOI10.3171/CASE24741

PMCPMC12036352

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.