Association of Morbidity with Extent of Resection and Cavernous Sinus Invasion in Sphenoid Wing Meningiomas

Department of Neurological Surgery, University of California, San Francisco, California.
Journal of Neurological Surgery, Part B: Skull Base (Impact Factor: 0.72). 02/2012; 73(1):76-83. DOI: 10.1055/s-0032-1304562
Source: PubMed


Sphenoid wing meningiomas (SWMs) typically are histologically benign, insidious lesions, but the propensity of these tumors for local invasion makes disease control very challenging. In this review, we assess whether the degree of resection and extent of cavernous sinus invasion affects morbidity, mortality, and recurrence in patients with SWM. A comprehensive search of the English-language literature was performed. Patients were stratified according to extent of resection and extent of cavernous sinus invasion, and tumor recurrence rate, morbidity, and mortality were analyzed. A total of 23 studies and 131 patients were included. Overall recurrence and surgical mortality rate were 11% and 2%, respectively (average follow-up = 65 months). Cranial nerve III palsy was significantly associated with incompletely versus completely resected SWMs (7 to 0%) as well as meningiomas with cavernous sinus invasion versus no sinus invasion (14 vs. 0%). No significant difference in tumor recurrence rate was noted between these groups. In conclusion, complete excision of SWMs is always recommended whenever possible, but surgeons should acknowledge that there is nonetheless a chance of recurrence and should weigh this against the risk of causing cranial nerve injuries.

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    • "Primary intraosseous meningioma in the sphenoid bone can involve the adjacent orbit and cavernous sinus. Therefore, complete resection of the tumor is always recommended whenever possible [11]. Histopathologically, meningothelial meningioma is a most common subtype of primary intraosseous meningiomas. "
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    ABSTRACT: We present a case of primary benign intraosseous meningioma in the sphenoid bone mimicking malignancy. A 44-year-old female patient who had a protruding right eye and headache came to our hospital. MRI showed a large, destructive, heterogeneously well-enhancing soft tissue mass in the right sphenoid bone suggesting malignancy. (18)F-FDG PET/CT showed a hypermetabolic mass in the same site with an SUVmax of 9.1 The pathological diagnosis by surgery revealed that this tumor was a WHO grade I transitional meningioma. This case suggests that primary benign intraosseous meningioma may show high (18)F-FDG uptake mimicking a malignancy.
    Preview · Article · Jun 2014
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    ABSTRACT: Large and giant medial sphenoid wing meningiomas that are located deeply in the skull base where they are closely bounded by cavernous sinus, optic nerve, and internal carotid artery make the gross resection hard to achieve. Also, this kind of meningiomas is often accompanied by a series of severe complications. Therefore, it was regarded as a formidable challenge to even the most experienced neurosurgeons. This study aimed to investigate the clinical features and management experience of patients with large and giant medial sphenoid wing meningiomas. In this study, 53 patients (33 female and 20 male, mean age of 47.5 years) with large and giant medial sphenoid wing meningiomas were treated surgically between April 2004 to March 2012, with their clinical features analyzed, management experience collected, and treatment results investigated retrospectively. In this study, gross total resection (Simpson I and II) was applied in 44 patients (83%). Fifty-three patients had accepted the routine computed tomography scan and magnetic resonance imaging scan as postoperative neuroradiological evaluation. Their performance showed surgical complications of vascular lesions and helped us evaluate patients' conditions, respectively. Meanwhile, the drugs resisting cerebral angiospasm, such as Nimodipine, were infused in every postoperative patient through vein as routine. As a result, 11 patients (21%) were found to have secondary injury of cranial nerves II, III, and IV, and nine patients got recovered during the long-term observing follow-up period. Temporary surgical complications of vascular lesions occurred after surgery, such as cerebral angiospasm, ischemia, and edema; 24 patients (45%) appeared to have infarction and dyskinesia of limbs. Overall, visual ability was improved in 41 patients (77%). No patient died during the process. Microsurgical treatment may be the most effective method for the large and giant medial sphenoid wing meningiomas. The surgical strategy should focus on survival and postoperative living quality.
    No preview · Article · Dec 2013 · Chinese medical journal

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