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Fig. 4 | CVIR Endovascular

Fig. 4

From: Embolization with MVP (Micro Vascular Plug®): experience on 104 patients in emergent and elective scenarios

Fig. 4

37 years old male affected by bleeding nasopharyngeal carcinoma after radiotherapy; bilateral internal maxillary artery embolization was performed, first with 300–500 microparticles and then, because of continuous bleeding, two MVP-5. In A, a contrast-enhanced CT scan in arterial phase shows active bleeding (black circle); in B, the target vessel internal maxillary artery is measured with caliper 2.03 mm, embolization being performed bilaterally; in C, right internal maxillary DSA confirms active bleeding (black circle); in D, MVP-5 is released through a 2.7 Fr microcatheter into the distal segment of the right internal maxillary artery, black arrows indicating distal and proximal radiopaque markers: in E, DSA confirms proper right internal maxillary artery occlusion immediately after MVP release; in F, a second MVP-5 (white arrows) is similarly positioned into the left internal maxillary artery (black arrows indicating MVP-5 previously released); in G, DSA confirms proper left internal maxillary artery occlusion immediately after MVP release; in H, an axial CT scan of the skull shows the two MVP-5 (white circle) not creating any metallic artifact

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