ArticleCureus2024
Early Detection of Hyperdense Basilar Artery Signs Through Comparison With Previous Images.
Article in Cureus, 2024. 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.
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Abstract
The presence of the hyperdense basilar artery (HDBA) sign, which indicates basilar artery occlusion (BAO), plays an important role in the early diagnosis and intervention in patients with acute ischemic stroke. However, qualitative and quantitative assessment of the HDBA sign is challenging. This case report describes a 60-year-old woman with a history of diabetes mellitus, hypertension, and cerebral infarction. She developed progressive loss of consciousness and ataxic respiration. A noncontrast-enhanced head computed tomography (CT) scan performed three hours after symptom onset revealed the HDBA sign compared with previously obtained CT images. Quantitative measurements revealed a significant increase in Hounsfield units (HUs) in the basilar artery. Subsequent three-dimensional CT angiography confirmed the occlusion of the vertebrobasilar artery. This case highlights the importance of comparing current and previous imaging findings in detecting the HDBA sign. Quantitative HU measurements may further aid diagnosis. Early detection of the HDBA sign on noncontrast-enhanced head CT is critical for expediting the diagnosis and treatment of BAO.
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