This report portrays a case of a funnel shaped anterior communicating artery (ACoA) fenestration which was mistaken as a small A1 aneurysm in a subarachnoid hemorrhage case. Although tridimensional rotational digital subtraction angiography improves aneurysm diagnosis specially at the ACoA complex, current spatial resolution might leave behind a considerable percentage of ACoA fenestrations. This may lead to diagnostic errors and unnecessary treatments risking iatrogenic complications. Luckily for our patient, a concomitant aneurysm warranted clipping and subsequent surgical exploration of the ACoA complex revealed the pitfall, thus preventing further action. Interestingly, another group of authors who reported similar misdiagnosis with ACoA aneurysms were able to prevent a third error, thanks to the experience acquired with 2 prior cases. Therefore, this clinical image aims to raise wider awareness of the need for very cautious consideration of imaging depicting small and/or atypical aneurysms in the ACoA complex.

Download full-text PDF

Source
http://dx.doi.org/10.1016/j.wneu.2023.04.122DOI Listing

Publication Analysis

Top Keywords

acoa complex
12
funnel shaped
8
shaped anterior
8
anterior communicating
8
communicating artery
8
fenestration mistaken
8
acoa
6
artery fenestration
4
aneurysm
4
mistaken aneurysm
4

Similar Publications

Path planning and engineering problems of 3D UAV based on adaptive coati optimization algorithm.

Sci Rep

December 2024

Key Laboratory of Advanced Manufacturing Technology, Ministry of Education, Guizhou University, Guiyang, 550025, Guizhou, China.

In response to the challenges faced by the Coati Optimization Algorithm (COA), including imbalance between exploration and exploitation, slow convergence speed, susceptibility to local optima, and low convergence accuracy, this paper introduces an enhanced variant termed the Adaptive Coati Optimization Algorithm (ACOA). ACOA achieves a balanced exploration-exploitation trade-off through refined exploration strategies and developmental methodologies. It integrates chaos mapping to enhance randomness and global search capabilities and incorporates a dynamic antagonistic learning approach employing random protons to mitigate premature convergence, thereby enhancing algorithmic robustness.

View Article and Find Full Text PDF

Multiyear genotype characterization of eastern spruce budworm outbreaking populations from Quebec and adjacent regions.

Ecology

December 2024

Institute of Forestry and Conservation, John H. Daniels Faculty of Architecture, Landscape and Design (Forestry), University of Toronto, Toronto, Ontario, Canada.

Population outbreaks are characterized by irruptive changes in population density and connectivity resulting in rapid demographic and spatial expansion, often at the landscape scale. Outbreaks are common across multiple taxa, many of which inhabit northern ecosystems. Outbreaks of Lepidopteran defoliators in forest ecosystems are a particularly compelling example of this phenomenon, given the massive spatial scales over which these outbreaks can occur, their frequency, and socioeconomic impacts.

View Article and Find Full Text PDF

Image segmentation plays a pivotal role in medical image analysis, particularly for accurately isolating tumors and lesions. Effective segmentation improves diagnostic precision and facilitates quantitative analysis, which is vital for medical professionals. However, traditional segmentation methods often struggle with multilevel thresholding due to the associated computational complexity.

View Article and Find Full Text PDF
Article Synopsis
  • Small anterior communicating artery (ACoA) aneurysms are challenging for neurosurgeons due to their risky location and the potential for severe complications if they rupture; both surgical clipping and endovascular treatments are common approaches.
  • A meta-analysis was conducted across thirteen studies involving 637 patients to compare the efficacy and outcomes of surgical clipping versus endovascular treatment techniques, primarily focusing on coiling.
  • Results demonstrated similar overall outcomes for both methods, but surgical clipping had a significantly lower retreatment rate (0% vs. 18% for endovascular), while endovascular treatment had slightly higher mortality and complication rates, emphasizing the importance of factors such as surgeon expertise and patient characteristics in treatment decisions.
View Article and Find Full Text PDF
Article Synopsis
  • AcoA aneurysms are tricky brain problems that can be hard to fix because of their complicated shape and location.
  • Doctors have used different methods, like special surgeries and unique clips, to successfully treat these aneurysms, but sometimes they need to change the clips during the operation.
  • In two cases, doctors had to modify clips to make them fit correctly and safely stop the aneurysms from causing more issues, and both patients ended up doing well afterward.
View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!