PMC4628195_01
A 31-year-old female patient with a distal aneurysm at the anterior inferior cerebellar artery (AICA) (Case 10). Anteroposterior right vertebral artery angiogram showing an aneurysm at the distalpart of the AICA (A). A Marathon  catheter was smoothly navigated into the aneurysm, and the aneurysm was embolized with an ED Inifini extrasoft  and ED extrasoft  coil (arrow in B) in combination with 33% NBCA (C), achieving complete obliteration of the aneurysm.
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F1
A 31-year-old female patient was found to have an irregular aneurysm at the distal part of the right anterior inferior cerebellar artery (AICA) during a brain check-up (Fig. 1A). A Marathon  catheter was navigated into the aneurysm, and aneurysm embolization was performed using ED Inifini extrasoft  (16 mm/15 cm, 16 mm/10 cm) and an ED extrasoft  coil (1.5 mm/2 cm), which resulted in body filling (Fig. 1B). Further embolization was undertaken using 33% NBCA through the same microcatheter, and complete obliteration of the aneurysm was achieved (Fig. 1C). Unfortunately, postoperative angiogram showed delayed appearance of distal AICA (Fig. 1C), and postoperative magnetic resonance (MR) imaging showed a fresh cerebellar infarction in the distal AICA territory.
PMC4628195_02
A 62-year-old male patient with an anterior fossa arteriovenous fistula (AVF) draining into the superior sagittal sinus (Case 12). Left internal carotid angiogram showing a tortuous feeder from the ophthalmic artery (A: A-P view, B: lateral view). The coil delivery microcatheter failed to be navigated beyond the origin of the central retinal artery, and a Marathon  catheter was successfully navigated (arrow in C). After embolization of the artery with an ED extrasoft  coil, the feeder was completely obliterated (D).
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F2
AVF draining into the superior sagittal sinus (Fig. 2A, B). A coil delivery microcatheter was distally navigated to the ophthalmic artery, but failed because of tortuosity of the vessel. Next, a Marathon  catheter was smoothly navigated distally to the shunting point beyond the origin of the central retinal artery (Fig. 2C). An ED extrasoft  coil (1.5 mm/2 cm) was successfully detached to occlude the recurrent meningeal artery (Fig. 2D).