PMC6367946_01
(a) Baseline CT angiogram (left oblique) showing small left internal carotid pseudoaneurysm. (b) Three-month posthospital follow-up CTA neck (left oblique) demonstrating left ICA pseudoaneurysm measuring 10 mm x 11 mm x 25 mm
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F1
Left ICA dissection was also noted with minimal luminal narrowing and a 2-mm proximal pseudoaneurysm [Figure 1a]. However, CTA neck was repeated during this visit, which demonstrated a marked increase in size of the left ICA pseudoaneurysm - now 10 mm x 11 mm x 25 mm [Figure 1b].
Immediate poststent DSA demonstrating contrast filling and runoff through the stent with no intraluminal thrombus or irregularity
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F2
Postpipeline stent DSA indicated no intraluminal thrombus or luminal irregularities with good contrast filling and runoff through the stent [Figure 2].
Seven-month poststent DSA demonstrating near-complete resolution of left ICA pseudoaneurysm with no intraluminal defects
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F3
Follow-up DSA was performed at 7 months and showed near-complete resolution of the left ICA pseudoaneurysm [Figure 3] with minimal contrast stasis in late arterial phase [Figure 4].
Seven-month poststent DSA demonstrating area of minimal contrast stasis within pseudoaneurysm in late arterial phase
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F4
Follow-up DSA was performed at 7 months and showed near-complete resolution of the left ICA pseudoaneurysm [Figure 3] with minimal contrast stasis in late arterial phase [Figure 4].