Which aneurysm type is characterized by a tapered morphology with no well-defined neck?

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Prepare for the RPVI Exam with flashcards and multiple choice questions, each with hints and explanations. Get exam-ready now!

Multiple Choice

Which aneurysm type is characterized by a tapered morphology with no well-defined neck?

Explanation:
Recognize aneurysm shape on imaging: a fusiform aneurysm involves a diffuse, circumferential dilation of a vessel segment with no single neck, often presenting as a tapered, spindle-like enlargement along the artery. This contrasts with saccular (berry) aneurysms, which form a discrete sac with a defined neck at a bifurcation, and with cavernous lesions that are typically saccular located in the cavernous sinus. Therefore, the description of a tapered morphology with no well-defined neck best fits a fusiform aneurysm.

Recognize aneurysm shape on imaging: a fusiform aneurysm involves a diffuse, circumferential dilation of a vessel segment with no single neck, often presenting as a tapered, spindle-like enlargement along the artery. This contrasts with saccular (berry) aneurysms, which form a discrete sac with a defined neck at a bifurcation, and with cavernous lesions that are typically saccular located in the cavernous sinus. Therefore, the description of a tapered morphology with no well-defined neck best fits a fusiform aneurysm.

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