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  • Title: The insidious appearance of the dissecting aneurysm: Imaging findings and related pathophysiology. A report of two cases.
    Author: Onofrj V, Cortes M, Tampieri D.
    Journal: Interv Neuroradiol; 2016 Dec; 22(6):638-642. PubMed ID: 27511816.
    Abstract:
    Intracranial dissecting aneurysms have been frequently reported to present with fairly challenging and time-variable imaging findings that can be mostly explained by the pathological mechanisms that underline the dissection. We present two cases of spontaneous dissecting aneurysm of the supraclinoid ICA, both clinically presenting with SAH, but characterized by different progression of clinical symptoms and imaging. However, in both cases an outpouch and a mild fusiform dilation of the supraclinoid ICA was present in the initial CTA performed after the occurrence of symptoms. These findings were well depicted by the MPR reformats performed retrospectively. We postulate that this finding may represent the point of initial transmural dissection and we recommend that careful analysis of the CTA MRP reformatted images should be performed in order to detect this finding promptly.
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