2016
DOI: 10.1007/s00701-016-2850-0
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Internal and external spheno-orbital meningioma varieties: different outcomes and prognoses

Abstract: The internal SOM variety exhibited a reduced total resection rate and a shorter progression-free survival (PFS). Unroofing of the optic canal extended PFS. Among grade I cases, the persistence of a negligible tumour remnant did not alter the probability of recurrence. For superior grades, radiotherapy must be administered in addition to surgery as soon as possible. SOMs require prolonged follow-up. Autologous iliac reconstruction is related to substantial morbidity and could be replaced by prosthetic bone thre… Show more

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Cited by 32 publications
(27 citation statements)
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“…The primary goal of reconstruction of the orbital walls is to prevent enophthalmos, especially pulsatile enophthalmos, which after reconstruction occurs between 2,3% and 30,0% of patients (Gaillard et al 1997; Honeybul et al 2001; Bikmaz et al 2007; Ringel et al 2007; Mirone et al 2009; Saeed et al 2011; Amirjamshidi et al 2015; Terrier et al 2018). Reconstruction of dural defects is done to prevent CSF leaks, and reduce the risk of wound infection and meningitis (Talacchi et al 2014; Leroy et al 2016), which after reconstruction occurs in respectively 5%, 3% and 6% of patients. The periorbit can be opened or removed to gain access to intra‐orbital tumour extension.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…The primary goal of reconstruction of the orbital walls is to prevent enophthalmos, especially pulsatile enophthalmos, which after reconstruction occurs between 2,3% and 30,0% of patients (Gaillard et al 1997; Honeybul et al 2001; Bikmaz et al 2007; Ringel et al 2007; Mirone et al 2009; Saeed et al 2011; Amirjamshidi et al 2015; Terrier et al 2018). Reconstruction of dural defects is done to prevent CSF leaks, and reduce the risk of wound infection and meningitis (Talacchi et al 2014; Leroy et al 2016), which after reconstruction occurs in respectively 5%, 3% and 6% of patients. The periorbit can be opened or removed to gain access to intra‐orbital tumour extension.…”
Section: Discussionmentioning
confidence: 99%
“…Meningiomas are central nervous system tumours, arising from the meninges (Whittle et al 2004). Spheno‐orbital meningiomas (SOM) represent 9–18% of all meningiomas (Cushing & Eisenhardt 1939; Maroon et al 1994; Mirone et al 2009; Leroy et al 2016) and are characterized by substantial hyperostosis of the sphenoid wing with an en‐plaque carpet‐like soft‐tissue component (Li et al 2009). Due to the complex anatomical location in the anterior skull base and the tendency for invasion of the periorbit, intra‐orbital growth, and sometimes the extensive hyperostosis of the optic canal, superior orbital fissure, and other cranial nerve foramina, resection of these tumours is challenging and is associated with possible neurological and visual deficits (Ringel et al 2007).…”
Section: Introductionmentioning
confidence: 99%
“…Histological sampling was done in 14 of these patients and 10 of the tumors were classified as grade I meningiomas. Additional radiotherapy was beneficial, especially to the patients with grade I tumors [16]. It is evident that meningiomas that invade the orbit pose additional risks to surgical intervention, and each case should be carefully examined.…”
Section: Discussionmentioning
confidence: 99%
“…Due to the rare incidence of SOM, the study design was retrospective. Due to the slow growing nature of the intraosseous SOM component, a more extensive follow-up duration of decades would be required for analysis of recurrence rates [11, 44].…”
Section: Discussionmentioning
confidence: 99%
“…Concerning the intraosseous component of SOM, extensions medial to the cranial nerve ostia of the middle cranial fossa render a Simpson °I resection virtually impossible from a standard pterional approach. These growth characteristics contribute to the high recurrence rates of SOM after primary surgery, amounting to up to 60% after 5 years [811].…”
Section: Introductionmentioning
confidence: 99%