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Candy NG, Hinder D, Jukes AK, Wormald PJ, Psaltis AJ. Olfaction preservation in olfactory groove meningiomas: a systematic review. Neurosurg Rev 2023; 46:186. [PMID: 37500988 PMCID: PMC10374754 DOI: 10.1007/s10143-023-02096-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Revised: 07/08/2023] [Accepted: 07/20/2023] [Indexed: 07/29/2023]
Abstract
Olfactory groove meningiomas (OGM) are a skull base neoplasm that represents between 8 and 13% of all intracranial meningiomas. Approach selection focuses on achieving frontal lobe decompression, gross total resection and vision preservation. Recently, there has been a focus on olfaction and considering its preservation as a quality-of-life outcome measure. An electronic search of the databases Medline, Scopus, Embase, Web of Science and Cochrane library databases was performed and data extracted according 2020 Preferred Reporting Items of Systematic Reviews and Meta-Analyses (PRISMA) statement. Six articles were selected for inclusion mainly based due to reporting quantitative outcomes for olfaction assessed by a smell identification test (e.g. sniffin' sticks). Objective olfaction preservation can be achieved with a variety of surgical approaches. More research which includes objective assessment of olfactory function and ideally as well QoL outcome measures is needed to further optimize the treatment pathways in OGM patients.
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Affiliation(s)
- Nicholas G Candy
- Department of Surgery Otolaryngology, Head and Neck Surgery, The University of Adelaide, Basil Hetzel Institute for Translational Research, Woodville South, Adelaide, Australia.
| | - Dominik Hinder
- Department of Surgery Otorhinolaryngology Head and Neck Surgery, Queen Elizabeth Hospital, Adelaide, SA, Australia
| | - Alistair K Jukes
- Department of Neurosurgery, Royal Adelaide Hospital, Adelaide, Australia
| | - Peter-John Wormald
- Department of Surgery Otolaryngology, Head and Neck Surgery, The University of Adelaide, Basil Hetzel Institute for Translational Research, Woodville South, Adelaide, Australia
| | - Alkis J Psaltis
- Department of Surgery Otolaryngology, Head and Neck Surgery, The University of Adelaide, Basil Hetzel Institute for Translational Research, Woodville South, Adelaide, Australia
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Marenco-Hillembrand L, Bamimore MA, Webb R, Chaichana KL. Unilateral Supraorbital Keyhole Craniotomy Avoiding the Frontal Sinus for Large and Giant Olfactory-Groove Meningiomas: A Case Series. World Neurosurg 2023; 170:e324-e330. [PMID: 36375803 DOI: 10.1016/j.wneu.2022.11.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 11/04/2022] [Indexed: 11/13/2022]
Abstract
OBJECTIVE There are several different approaches to large and giant olfactory-groove meningiomas (OGMs). Each approach has advantages and disadvantages. We present our series using a unilateral supraorbital keyhole approach avoiding the frontal sinus for the resection of large and giant OGMs without the use of fixed brain retractors or orbital rim removal. MATERIALS AND METHODS All consecutive patients operated on for large (>3 cm in largest diameter) and giant (>5 cm) OGMs by the senior author from 2016 to 2021 were prospectively identified and retrospectively reviewed. Patients who were operated on using an endoscopic endonasal approach were excluded. No fixed retraction was used. RESULTS In total, 14 consecutive patients (11 with large, 3 with giant) were included. All patients were female, with an average age ± standard deviation of 59.7 ± 11.5 years. The median [interquartile range] preoperative Karnofsky Performance Status score was 80 [80-88]. The median preoperative tumor diameter and volume were 3.8 [3.2-4.2] cm and 22.2 [10.5-25.2] cm3, respectively. All patients underwent gross total resection. The median hospital stay was 2.7 [2-3] days, with all patients being discharged to home. No patients incurred any postoperative medical and/or surgical complications. Of the 9 patients who had subjective smell preoperatively, 5 stated they had subjective olfaction after surgery. CONCLUSIONS We demonstrate the utility of a unilateral supraorbital keyhole approach avoiding the frontal sinus for large and giant OGMs. The potential advantages of this approach are minimizing bilateral brain manipulation, avoiding the frontal sinus and potential mucoceles, and reducing the risk of cerebrospinal fluid leaks.
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Affiliation(s)
| | - Michael A Bamimore
- Department of Neurosurgery, Mayo Clinic, Jacksonville, Florida, USA; School of Medicine, Philadelphia College of Osteopathic Medicine, Philadelphia, Pennsylvania, USA
| | - Robert Webb
- Department of Neurosurgery, Mayo Clinic, Jacksonville, Florida, USA
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Bethamcharla R, McKhann Ii GM, Sekula RF. Letter to the Editor Regarding "Unilateral Supraorbital Keyhole Craniotomy Avoiding the Frontal Sinus for Large and Giant Olfactory Groove Meningiomas: A Case". World Neurosurg 2023; 170:262. [PMID: 36782420 DOI: 10.1016/j.wneu.2022.12.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Accepted: 12/05/2022] [Indexed: 02/11/2023]
Affiliation(s)
- Raviteja Bethamcharla
- Vagelos College of Physicians and Surgeons, Columbia University, New York, New York, USA
| | - Guy M McKhann Ii
- Vagelos College of Physicians and Surgeons, Columbia University, New York, New York, USA
| | - Raymond F Sekula
- Vagelos College of Physicians and Surgeons, Columbia University, New York, New York, USA
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Champagne PO, Zenonos GA, Wang EW, Snyderman CH, Gardner PA. The Evolution of Endoscopic Endonasal Approach for Olfactory Groove Meningiomas. Oper Neurosurg (Hagerstown) 2023; 24:121-130. [PMID: 36637296 DOI: 10.1227/ons.0000000000000464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 08/10/2022] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND There is controversy over the choice of optimal approach for olfactory groove meningiomas (OGM). The endoscopic endonasal approach (EEA) is one of the most recently described corridors, which provides direct access to the tumor base. OBJECTIVE To detail the evolution of the endoscopic endonasal technique over the past 2 decades and demonstrate the impact of this evolution on patient outcomes. METHODS This is a retrospective study based on a prospectively maintained database of consecutive cases of OGM operated on at our institution via EEA. For analysis, the whole cohort has been divided into 3 equal "eras" according to the time period during which the surgery happened, creating early, middle, and contemporary groups. RESULTS Seventy-five patients were included, 25 in each group. The rate of postoperative cerebrospinal fluid leak significantly decreased over time (28%, 32%, and 8% in the early, middle, and contemporary groups, respectively, P = .020). The rate of postoperative encephalomalacia was significantly lower in more recent groups (24%, 16%, and 0% in the early, middle, and contemporary groups, respectively, P = .029), as was the time to resolution of postoperative brain edema (103.9 months, 87.3 months, and 16.8 months in the early, middle, and contemporary groups, respectively, P = .020). CONCLUSION The endoscopic endonasal approach for OGM significantly evolved over time, achieving lower cerebrospinal fluid leak rates while providing a high rate of Simpson grade 1 resection. Technical improvements minimized the frontal lobe impact. Current data support EEA as a safe and effective corridor to treat OGM.
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Affiliation(s)
- Pierre-Olivier Champagne
- Department of Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Georgios A Zenonos
- Department of Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Eric W Wang
- Department of Otolaryngology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Carl H Snyderman
- Department of Otolaryngology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Paul A Gardner
- Department of Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
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Abou-Al-Shaar H, Patel KP, Mallela AN, Sekula RF. Lateral supraorbital approach for resection of large and giant olfactory groove meningiomas: a single center experience. Br J Neurosurg 2023; 37:90-96. [PMID: 36053047 DOI: 10.1080/02688697.2022.2117273] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
BACKGROUND The lateral supraorbital approach (LSO) provides an optimal access corridor for various skull bases lesions, including olfactory groove meningiomas (OGMs). The aim of this study is to describe the authors' experience with the management of large and giant OGMs utilizing the LSO approach and describe the technical nuances of the procedure. METHODS A retrospective review of seven patients with large and giant OGMs managed with the LSO approach between 2013 and 2019 was performed. Radiographic and clinical data were recorded and analyzed. RESULTS Seven patients with large and giant OGMs underwent surgical resection via the LSO approach. Six patients were female, with a median age of 56 years. Patients commonly presented with altered mentation, anosmia, and headaches. The average tumor volume was 120.6 ± 64.7 cm3 with five cases of vascular encasement. Simpson grade II resection was achieved in four patients while Simpson grade IV resection was achieved in three patients. The median length of stay was 2.0 days. The median preoperative Karnofsky Performance Scale (KPS) score was 70, improving to 100 at last postoperative follow-up visit. Two complications were encountered in the form of postoperative cerebrospinal fluid leak in one patient and a transient diplopia in another patient. Tumor recurrence/progression was identified in two patients during a median follow-up time of 65.5 months. Both cases have been managed with adjuvant radiosurgery. CONCLUSION The LSO approach is a safe and effective minimally invasive transcranial corridor for the management of OGMs that should be part of the armamentarium of skull base neurosurgeons.
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Affiliation(s)
- Hussam Abou-Al-Shaar
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Kevin P Patel
- University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Arka N Mallela
- Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Raymond F Sekula
- Department of Neurological Surgery, Columbia University Medical Center, New York, NY, USA.,Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
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Zheng X, Shao D, Li Y, Cai L, Xie S, Sun Z, Jiang Z. Keyhole supraorbital eyebrow approach for fully endoscopic resection of tuberculum sellae meningioma. Front Surg 2022; 9:971063. [PMID: 36157417 PMCID: PMC9491022 DOI: 10.3389/fsurg.2022.971063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 08/19/2022] [Indexed: 11/28/2022] Open
Abstract
Background The fully endoscopic supraorbital trans-eyebrow keyhole approach is a technique utilized for the transcranial resection of tuberculum sellae meningioma (TSM). Surgery is the first choice for TSM treatment. This study aimed to summarize and analyze the safety, feasibility, limitations, and technical requirements of the fully endoscopic supraorbital trans-eyebrow keyhole approach for TSM resection. Methods Data of 19 TSM fully endoscopic supraorbital trans-eyebrow keyhole approach resections cases (six and 13 on the left and right eyebrows, respectively) were retrospectively analyzed at the Neurosurgery Department of the First Affiliated Hospital of Bengbu Medical College (Bengbu, China) from August 2015 to March 2022. Results All 19 patients were diagnosed with meningioma (World Health Organization grade I), and according to the scope of tumor resection (EOR), 18 patients (94.7%) had gross total resection (GTR), and one patient (5.3%) had near-total resection (NTR). Preoperative chief complaints were symptomatic visual dysfunction (n = 12), headache and dizziness (n = 6), and accidental discovery (n = 1). Postoperative visual function improved in 83.3% of cases (10/12), and headache and dizziness were relieved in 83.3% of cases (5/6 patients). Postoperative intracranial infection occurred in one case and was cured by external drainage of the lumbar cistern and anti-infective treatment. Two cases of frontal lobe injury were discharged after conservative treatment. There was no postoperative olfactory dysfunction, eyelid ptosis, cerebrospinal fluid leakage, or death. There were no reports of disease recurrence or death during the 3-month follow-up at an outpatient clinic or by telephone. Conclusion Fully endoscopic TSM resection through the keyhole approach is safe and feasible. It can be used to explore angles that cannot be seen under a microscope and show the true value of endoscopy technology. The endoscopic equipment and technical skills of the surgeon and surgical team are important in this technique.
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Affiliation(s)
- Xialin Zheng
- School of Continuing Education, Anhui Medical University, Hefei, China
- Department of Neurosurgery, The First Affliated Hospital of Bengbu Medical College, Bengbu, China
| | - Dongqi Shao
- Department of Neurosurgery, The First Affliated Hospital of Bengbu Medical College, Bengbu, China
| | - Yu Li
- Department of Neurosurgery, The First Affliated Hospital of Bengbu Medical College, Bengbu, China
| | - Longjie Cai
- Department of Neurosurgery, The First Affliated Hospital of Bengbu Medical College, Bengbu, China
| | - Shan Xie
- Department of Neurosurgery, The First Affliated Hospital of Bengbu Medical College, Bengbu, China
| | - Zhixiang Sun
- Department of Neurosurgery, The First Affliated Hospital of Bengbu Medical College, Bengbu, China
| | - Zhiquan Jiang
- School of Continuing Education, Anhui Medical University, Hefei, China
- Department of Neurosurgery, The First Affliated Hospital of Bengbu Medical College, Bengbu, China
- Correspondence: Zhiquan Jiang
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Nair BR, Ganesh S, Moorthy RK, Rajshekhar V. Risk Factors for Postoperative Brain Contusion and Early Outcomes in Patients with Anterior Skull Base Meningiomas Undergoing Unifrontal Surgery: Single Center Experience with 110 Patients. Neurol India 2022; 70:2053-2058. [PMID: 36352608 DOI: 10.4103/0028-3886.359275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Background Though frontal lobe contusion is a major cause for morbidity and prolonged hospitalization following excision of anterior skull base meningiomas, there is only limited literature on this complication. This study aimed to find out the incidence of postoperative frontal lobe contusion, identify the risk factors for its development and its impact on early postoperative outcome. Methods Data from 110 patients who underwent excision of anterior skull base meningiomas through a unilateral supraorbital craniotomy from 2001 to 2018 were retrospectively analyzed. The risk factors analyzed for development of postoperative contusion were tumor location, size, volume, peritumoral edema, tumor consistency, extent of resection, tumor grade and type of retraction used. Results Simpson grade II excision was achieved in ninety-two patients (83.6%). There was no frontal lobe contusion in eighty-two patients (74.5%). Frontal lobe contusion was noted in twenty-eight patients (25.5%), but was severe in only four patients (3.6%). On multivariate analysis, fixed retractor use (OR 11.56 [1.21-110.03]; P =0.03) and WHO grade II tumor (OR 3.29 [1.11-9.77]; P =0.03) were independently associated with postoperative frontal lobe contusion. Patients with higher contusion grade had significantly longer postoperative hospitalization (P =.02) and lower KPS score at discharge (P =.01). Conclusions Unilateral supraorbital craniotomy and lateral subfrontal approach is an excellent procedure for excision of anterior skull base meningiomas with minimal postoperative complications related to frontal lobe retraction. Frontal lobe contusion should be avoided with the use of dynamic retraction, since postoperative contusion prolongs hospitalization and worsens the functional outcome at discharge.
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Affiliation(s)
- Bijesh Ravindran Nair
- Department of Neurological Sciences, Christian Medical College, Vellore - 632 004, Tamil Nadu, India
| | - Swaminathan Ganesh
- Department of Neurological Sciences, Christian Medical College, Vellore - 632 004, Tamil Nadu, India
| | - Ranjith Krishna Moorthy
- Department of Neurological Sciences, Christian Medical College, Vellore - 632 004, Tamil Nadu, India
| | - Vedantam Rajshekhar
- Department of Neurological Sciences, Christian Medical College, Vellore - 632 004, Tamil Nadu, India
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Combined Exoscopic and Endoscopic Two-Step Keyhole Approach for Intracranial Meningiomas. Curr Oncol 2022; 29:5370-5382. [PMID: 36005164 PMCID: PMC9406588 DOI: 10.3390/curroncol29080426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 07/26/2022] [Accepted: 07/27/2022] [Indexed: 11/17/2022] Open
Abstract
The advantages of neuroendoscopic surgery are the wide viewing angle and the freedom of an axis of view with minimal surgical trauma. With the advent of the exoscope, which has similar advantages to endoscopy, such as a small body and ergonomically superior heads-up surgery, it has become possible to add a field of view that is similar to that of microsurgery to endoscopic surgery. By taking advantage of the features of these scopes, we report the usefulness of the minimally invasive combined exoscopic and endoscopic two-step keyhole approach (EEKA) for various types of meningiomas. We reviewed data from 34 consecutive cases of EEKA for various types of intracranial meningiomas compared with that of conventional microsurgery. All of the tumors were resected as planned without severe complications. Significantly better outcome data were obtained in terms of the blood loss and the surgical time in the EEKA group, in addition to the craniotomy size. The well-illuminated fine vision in the deep corners by the endoscope enabled radical resection of the tumors with minimum burden on the patients. This technique has the potential for minimally invasive surgery in intracranial meningioma patients, including the older population.
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Midline Skull Base Meningiomas: Transcranial and Endonasal Perspectives. Cancers (Basel) 2022; 14:cancers14122878. [PMID: 35740543 PMCID: PMC9220797 DOI: 10.3390/cancers14122878] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/25/2022] [Accepted: 06/03/2022] [Indexed: 12/07/2022] Open
Abstract
Simple Summary Skull base meningiomas have always represented a challenge for neurosurgeons. Despite their histological nature, they may be associated with unfavorable outcomes due to their deep-seated location and the surrounding neurovascular structures. Over time, several corridors have been proposed, each one carrying its own pros and cons. During the last decades, the endoscopic endonasal route has been asserted among the classic routes for a growing number of midline and paramedian lesions. Therefore, the aim of our paper is to present a comprehensive review of the indications and techniques for the management of skull base meningiomas, emphasizing the ambivalent and complementary role of the low and high routes. Abstract Skull base meningiomas have always represented a challenge for neurosurgeons. Despite their histological nature, they may be associated with unfavorable outcomes due to their deep-seated location and the surrounding neurovascular structures. The state of the art of skull base meningiomas accounts for both transcranial, or high, and endonasal, or low, routes. A comprehensive review of the pertinent literature was performed to address the surgical strategies and outcomes of skull base meningioma patients treated through a transcranial approach, an endoscopic endonasal approach (EEA), or both. Three databases (PubMed, Ovid Medline, and Ovid Embase) have been searched. The review of the literature provided 328 papers reporting the surgical, oncological, and clinical results of different approaches for the treatment of skull base meningiomas. The most suitable surgical corridors for olfactory groove, tuberculum sellae, clival and petroclival and cavernous sinus meningiomas have been analyzed. The EEA was proven to be associated with a lower extent of resection rates and better clinical outcomes compared with transcranial corridors, offering the possibility of achieving the so-called maximal safe resection.
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Mini-craniotomy for intra-axial brain tumors: a comparison with conventional craniotomy in 306 patients harboring non-dural based lesions. Neurosurg Rev 2022; 45:2983-2991. [PMID: 35585468 DOI: 10.1007/s10143-022-01811-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 04/14/2022] [Accepted: 05/04/2022] [Indexed: 10/18/2022]
Abstract
The use of a mini-craniotomy approach involving linear skin incision and a bone flap of about 3 cm has been reported for several neurosurgical diseases, such as aneurysms or cranial base tumors. More superficial lesions, including intra-axial tumors, may occasionally raise concerns due to insufficient control of the tumor boundaries. The convenience of a minimally invasive approach to intrinsic brain tumors was evaluated by comparing 161 patients who underwent mini-craniotomy (MC) for intra-axial brain tumors with a group of 145 patients operated on by the same surgical team through a conventional craniotomy (CC). Groups were propensity-matched for age, preoperative condition, size and location of the tumor, and pathological diagnosis. Results were analyzed focusing on operative time, the extent of resection, clinical outcome, hospitalization time, and time to start adjuvant therapy. Mini-craniotomy was equally effective in terms of extent of resection (GTR: 70.9% in the MC group vs 70.5% in the CC group) but had shorter operative time (average: 165 min in the MC group vs 205 min in the CC group p < 0.001) and lower rate of postoperative complications both superficial (1.03% vs 6.5% in the CC group p = 0.009) and deep (4% in the MC group vs 5.5% in the CC group p = 0,47). No relationship was found between the size or location of the tumor and resection rate. The MC group had reduced hospitalization time (average: 5.8 days vs 7.6 in CC group p < 0.001) and faster access to adjuvant therapies. 92.5% of the MC patients, which were scheduled for treatment, started radiotherapy within 8 weeks after surgery as opposed to 84.1% in the CC group (p = 0.04). These findings support the increasing use of mini-craniotomy for intra-axial brain tumors.
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Azab W, Najibullah M, Waheed G. Endoscope-controlled extended supraorbital keyhole approach through a modified eyebrow incision for a large dural-based solitary fibrous tumor of the frontal convexity: A technical note. Surg Neurol Int 2022; 13:153. [PMID: 35509584 PMCID: PMC9062922 DOI: 10.25259/sni_1249_2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Accepted: 04/01/2022] [Indexed: 11/23/2022] Open
Abstract
Background: The extended supraorbital approach through a modified eyebrow incision is a minimally invasive approach that has been recently described. It entails a lateral extension of the skin incision beyond the lateral end of the eyebrow and allows exposure of the proximal sylvian fissure with a superior degree of surgical freedom in the middle fossa and the parasellar region. In this technical note, we describe an endoscope-controlled extended supraorbital keyhole approach with modified eyebrow incision for excision of a large dural-based solitary fibrous tumor of the left frontal convexity. Methods: An endoscope-controlled extended supraorbital keyhole approach with modified eyebrow incision was performed to excise a large extra-axial mass attached to the dura of the left frontal convexity and extends from the superior temporal line up to the midline in a 34-year-old male patient presented with 1-year history of headache, dizziness, and blurred vision. Results: The patient had an uneventful postoperative course with gross total excision of the lesion and satisfying cosmetic appearance. Histopathological examination revealed a Grade 1 solitary fibrous tumor. Conclusion: We demonstrated the feasibility of the endoscope-controlled extended supraorbital keyhole approach through a modified eyebrow incision for excision of tumors that abut the inner table of the frontal calvarial bone, extend highly above the skull base level, or extend medially reaching the midline. The approach is very versatile and allows a great exposure for a category of lesions deemed not perfectly suitable for the classic supraorbital keyhole approach.
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Matano F, Passeri T, Abbritti R, Camara B, Mastantuoni C, Noya C, Giammattei L, Devaux B, Mandonnet E, Froelich S. Eyebrow incision with a crescent-shaped orbital rim craniotomy for microscopic and endoscopic transorbital approach to the anterior and middle cranial fossa: A cadaveric study and case presentation. BRAIN AND SPINE 2022; 2:100891. [PMID: 36248146 PMCID: PMC9560591 DOI: 10.1016/j.bas.2022.100891] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 04/06/2022] [Accepted: 04/20/2022] [Indexed: 11/25/2022]
Abstract
The transorbital approach combining eyebrow incision and crescent-shaped craniotomy increases the surgical freedom to access the anterior and middle skull-base. The technic allows the use of both endoscope and microscope. The concept is at the crossroad between the supraorbital keyhole and endoscopic trans-orbital approach.
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