Journal
EXPERIMENTAL NEUROLOGY
Volume 353, Issue -, Pages -Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.expneurol.2022.114052
Keywords
Aneurysm calcification; micro-CT; Multiphoton microscopy; Optical coherence tomography; Atherosclerotic calcification; Vascular smooth muscle cells; Bone morphogenic protein; Msh Homeobox 2; Runt-Related Transcription Factor 2
Categories
Funding
- American Association of Neurological Surgeons/Congress of Neurological Surgeons [R01NS109382, R01NS109584]
- National Institute of Neurological Disorders and Stroke (NIH/NINDS)
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This article discusses the detection methods, pathophysiology, and clinical implications of aneurysm calcification, suggesting that calcification may play an important role in the life cycle of aneurysms and a biomarker for this process may be discovered as imaging methods improve.
Calcification of intracranial aneurysms is a well-known phenomenon. Whether microsurgical or endovascular techniques are used, calcifications may increase the difficulty of treatment. However, the implications of calcification on aneurysm biology and stability have received little attention. We review both investigational and clinical methods that are used to detect aneurysmal calcification. We also discuss the pathophysiology of aneurysm calcification, specifically the role that inflammation and smooth muscle cells play. We finally turn our attention to the clinical implications of aneurysm calcification including rupture risk and treatment considerations. Calcification may represent an important feature in the life cycle of an aneurysm and as imaging methods continue to improve, we may yet discover a biomarker for this process.
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