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Differences in surgical outcome between petroclival meningioma and anterior petrous meningioma

Authors
 In-Ho Jung  ;  Jihwan Yoo  ;  Hun Ho Park  ;  Chang-Ki Hong 
Citation
 ACTA NEUROCHIRURGICA, Vol.163(6) : 1697-1704, 2021-06 
Journal Title
ACTA NEUROCHIRURGICA
ISSN
 0001-6268 
Issue Date
2021-06
MeSH
Female ; Humans ; Male ; Meningeal Neoplasms / diagnostic imaging ; Meningeal Neoplasms / surgery* ; Meningioma / diagnostic imaging ; Meningioma / surgery* ; Middle Aged ; Petrous Bone / diagnostic imaging ; Petrous Bone / surgery* ; Postoperative Care ; Postoperative Complications / etiology ; Postoperative Complications / mortality ; Retrospective Studies ; Treatment Outcome
Keywords
Petroclival meningioma ; Petrosal approach ; Petrous meningioma ; Retrosigmoid intradural suprameatal approach ; Skull base surgery
Abstract
Background: Petroclival meningiomas (PC MNGs) and anterior petrous meningiomas (AP MNGs) have similar locations. However, these are different tumors clearly divided by the trigeminal nerve. There has never been a study on the comparison of the surgical outcomes of these two meningiomas. In this study, we compared and analyzed the surgical outcome of PC MNGs and AP MNGs.

Methods: The charts of 85 patients diagnosed with PC MNGs of AP MNGs who underwent surgical treatment were retrospectively reviewed. And we analyzed the characteristics of 49 PC MNGs (57.6%) and compared them with those of 36 AP MNGs.

Results: Preoperative brainstem edema was observed in 11 patients (22.4%) of the PC MNG group and 1 patient (2.8%) of the AP MNG group (p = 0.024). Total tumor removal was achieved in 21 patients (58.3%) of the AP MNG group, but only 17 patients (34.7%) of the PC MNG group were able to completely (p = 0.047). In addition, sixth cranial nerve palsy occurred in 17 patients (34.7%) of the PC MNG group and 4 patients (11.1%) of the AP MNG group (p = 0.025).

Conclusions: In this study, we found that PC MNGs has a worse surgical outcome than AP MNGs, because PC MNGs were difficult to completely remove and were more likely to damage abducens nerve.
Full Text
https://link.springer.com/article/10.1007/s00701-021-04753-y
DOI
10.1007/s00701-021-04753-y
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
Yonsei Authors
Park, Hun Ho(박현호) ORCID logo https://orcid.org/0000-0002-2526-9693
Yoo, Jihwan(유지환)
Jung, In-Ho(정인호)
Hong, Chang Ki(홍창기) ORCID logo https://orcid.org/0000-0002-2761-0373
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/184195
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