PMC6350015_01
Coronal MRI.
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Upon referral, a magnetic resonance imaging (MRI) was obtained, which demonstrated extensive left skull base recurrence of the primary NPC with cavernous sinus, Meckel's cave, and perineural involvement along V3 to the left mandible (Figure 1).
Selected angiographic images: (a) Digital subtraction angiography (DSA) examination in lateral view of the left internal maxillary artery at the site of SSIA cetuximab injection and (b) DSA examination in anterior-posterior (AP) view of the left internal maxillary artery at the site of the SSIA cetuximab.
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After groin puncture and demonstrating a safe intravascular positioning of the microcatheter for IA infusion, a total of 81.5 mL of cetuximab was infused over 12 min (Figure 2(a) and b).