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Figure 1

From: Initial experience with use of hydrogel microcoils in embolization of pulmonary arteriovenous malformations

Figure 1

A 66 year-old woman with the right PAVM (Case 2). A. The pulmonary arteriogram (lateral projection) shows a simple type AVM of the posterior segment. B. The selective angiogram shows the tortuosity of the terminal feeding artery beyond the normal branch. C. A microcatheter was advanced as close to as possible to the sac. Following the two oversized 10 mm and 6 mm anchoring bare microcoils, four 6-3 mm hydrogel microcoils were deployed for filling a short segment of feeding artery. Immediately after embolization, a minimal flow remained in the venous sac. D. Post embolization angiogram at 20 minutes shows the complete PAVM occlusion. E. The baseline non-contrast CT image shows the venous sac on the posterior lung surface (arrow). F. The six-month follow-up CT image shows shrinkage of the venous sac (arrow).

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