Neurointervention.  2011 Feb;6(1):31-33. 10.5469/neuroint.2011.6.1.31.

Delayed Herniation of Coil Loop and Spontaneous Reposition in a Superior Cerebellar Artery Aneurysm

• Sim KB
• Park JK
• Kwon OK
• Park JC

• KMID: 1783980
• DOI: http://doi.org/10.5469/neuroint.2011.6.1.31

Abstract

Herniation of coil loops into the parent artery is one of the complications of endovascular embolization with detachable coils. In this clinical setting, we cannot predict the consequence of the herniated coil loop. We report an unusual case of a superior cerebellar artery (SCA) aneurysm with delayed coil herniation into the basilar artery and spontaneous reposition into the SCA.

Keyword

Cerebral aneurysm; Endovascular treatment; Coil herniation

MeSH Terms

Aneurysm
Arteries
Basilar Artery
Humans
Intracranial Aneurysm
Parents

Figure

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  Fig. 1 Working plane angiography reveals a 2.5 mm sized left side superior cerebellar artery (SCA) aneurysm (A). Final angiography and fluoroscopy show minimal protrusion of the detach-zone into the basilar artery (B, C, arrow). No significant interval change in the configuration of the coil mesh is seen on the fluoroscopy at the second postoperative day (POD) (D). Unraveling and herniation of coil is seen on the fluoroscopy at the ninth POD (E). Reposition of the herniated coil into the left side SCA is seen on the fluoroscopy at the 23rd POD (F).

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