[Digital subtraction angiography and preoperative embolization for meningiomas].
OBJECTIVE
To investigate the diagnostic value of digital subtraction angiography (DSA) and the clinical efficacy of preoperative embolization for miningiomas.


METHODS
Fifty-eight patients with meningioma were examined by DSA, and preoperative embolization was performed in patients whose miningiomas were supplied predominantly by the external carotid artery (ECA).


RESULTS
In 43 patients, the meningiomas was exclusively or predominantly supplied by ECA, and the feeding arteries were embolized with particles of 250-350 microm through catherization of ECA. The blood supply of the tumor in 31 patients was completely blocked, and partial occlusion through embolization was performed in 12 patients. No complications in relation to the embolization occurred. Fifty-three patients underwent total removal of the meningiomas and the others had partial removal 1-7 days following DSA and embolization, with tumor-associated intraoperative hemorrhage of 600 ml on average.


CONCLUSIONS
DSA has important diagnostic value for meningiomas, and preoperative embolization can be safe and effective to reduce bleeding, shorten the operation time and prevent postoperative complications.
Wang
Qiu-jing
QJ
Department of Neurosurgery, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China. wangqiujing@hotmail.com
Li
Tie-lin
TL
Duan
Chuan-zhi
CZ
Yin
Fang-ming
FM
Chen
Guang-zhong
GZ
He
Xu-ying
XY
Xu
Ru-xiang
RX
D000328:Adult; D000368:Aged; D015901:Angiography, Digital Subtraction; D004621:Embolization, Therapeutic; D005260:Female; D006801:Humans; D008297:Male; D008577:Meningeal Neoplasms / Q000000981:diagnostic imaging / Q000628:therapy*; D008579:Meningioma / Q000000981:diagnostic imaging / Q000628:therapy*; D008875:Middle Aged; D011300:Preoperative Care