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2016 ; 13
(6
): 432-9
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Study and Therapeutic Progress on Intracranial Serpentine Aneurysms
#MMPMID27279792
Xu K
; Yu T
; Guo Y
; Yu J
Int J Med Sci
2016[]; 13
(6
): 432-9
PMID27279792
show ga
An intracranial serpentine aneurysm (SA) is a clinically rare entity, and very
few multi-case studies on SA have been published. The present study reviewed the
relevant literature available on PubMed. The studied information included the
formation mechanism and natural history of SA as well as its clinical
manifestation, imaging characteristics, and current treatments. After reviewing
the literature, we conclude that intracranial SA can be managed surgically and by
endovascular embolization, but the degree of blood flow in normal brain tissue
distal to the SA must be evaluated. A balloon occlusion test (BOT) or cross
compression test is recommended for this evaluation. If the collateral
circulation is sufficiently compensatory, direct excision or embolization can be
performed. However, if the compensatory collateral circulation is poor, a bypass
surgery is necessary. Satisfactory results can be achieved in the majority of SA
patients after treatment. However, the size of the aneurysm may increase in some
patients after endovascular treatment. Special attention should be paid to cases
exhibiting a significant mass effect to avoid subsequent SA excision due to an
intolerable mass effect. Satisfactory results can be achieved with careful
treatment of SA.