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Gurses ME, Gökalp E, Gecici NN, Lu VM, Shah KH, Singh E, Luo A, Shah AH, Ivan ME, Komotar RJ. Minimally invasive resection of intracranial lesions using tubular retractors: A single surgeon series. Clin Neurol Neurosurg 2024; 241:108304. [PMID: 38718706 DOI: 10.1016/j.clineuro.2024.108304] [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] [Received: 04/22/2024] [Accepted: 04/24/2024] [Indexed: 05/21/2024]
Abstract
OBJECTIVE Tubular retractors are increasingly used due to their low complication rates, providing easier access to lesions while minimizing trauma from brain retraction. Our study presents the most extensive series of cases performed by a single surgeon aiming to assess the effectiveness and safety of a transcortical-transtubular approach for removing intracranial lesions. METHODS We performed a retrospective review of patients who underwent resection of an intracranial lesion with the use of tubular retractors. Electronic medical records were reviewed for patient demographics, preoperative clinical deficits, diagnosis, preoperative and postoperative magnetic resonance imaging (MRI) scans, lesion characteristics including location, volume, extent of resection (EOR), postoperative complications, and postoperative deficits. RESULTS 112 transtubular resections for intracranial lesions were performed. Patients presented with a diverse number of pathologies including metastasis (31.3 %), GBM (21.4 %), and colloid cysts (19.6 %) The mean pre-op lesion volume was 14.45 cm3. A gross total resection was achieved in 81 (71.7 %) cases. Seventeen (15.2 %) patients experienced early complications which included confusion, short-term memory difficulties, seizures, meningitis and motor and visual deficits. Four (3.6 %) patients had permanent complications, including one with aphasia and difficulty finding words, another with memory loss, a third with left-sided weakness, and one patient who developed new-onset long-term seizures. Mean post-operative hospitalization length was 3.8 days. CONCLUSION Tubular retractors provide a minimally invasive approach for the extraction of intracranial lesions. They serve as an efficient tool in neurosurgery, facilitating the safe resection of deep-seated lesions with minimal complications.
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Affiliation(s)
- Muhammet Enes Gurses
- Department of Neurological Surgery, University of Miami Miller School of Medicine, Lois Pope Life Center, 1095 NW 14th Terrace (D4-6), Miami, FL 33136, USA.
| | - Elif Gökalp
- Department of Neurosurgery, Ankara University, Ankara, Turkey
| | | | - Victor M Lu
- Department of Neurological Surgery, University of Miami Miller School of Medicine, Lois Pope Life Center, 1095 NW 14th Terrace (D4-6), Miami, FL 33136, USA
| | - Khushi Hemendra Shah
- Department of Neurological Surgery, University of Miami Miller School of Medicine, Lois Pope Life Center, 1095 NW 14th Terrace (D4-6), Miami, FL 33136, USA
| | - Eric Singh
- Department of Neurological Surgery, University of Miami Miller School of Medicine, Lois Pope Life Center, 1095 NW 14th Terrace (D4-6), Miami, FL 33136, USA
| | - Angela Luo
- Department of Neurological Surgery, University of Miami Miller School of Medicine, Lois Pope Life Center, 1095 NW 14th Terrace (D4-6), Miami, FL 33136, USA
| | - Ashish H Shah
- Department of Neurological Surgery, University of Miami Miller School of Medicine, Lois Pope Life Center, 1095 NW 14th Terrace (D4-6), Miami, FL 33136, USA
| | - Michael E Ivan
- Department of Neurological Surgery, University of Miami Miller School of Medicine, Lois Pope Life Center, 1095 NW 14th Terrace (D4-6), Miami, FL 33136, USA
| | - Ricardo J Komotar
- Department of Neurological Surgery, University of Miami Miller School of Medicine, Lois Pope Life Center, 1095 NW 14th Terrace (D4-6), Miami, FL 33136, USA
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Griffiths E, Jayamohan J, Budday S. A comparison of brain retraction mechanisms using finite element analysis and the effects of regionally heterogeneous material properties. Biomech Model Mechanobiol 2024; 23:793-808. [PMID: 38361082 DOI: 10.1007/s10237-023-01806-2] [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: 08/03/2023] [Accepted: 12/14/2023] [Indexed: 02/17/2024]
Abstract
Finite element (FE) simulations of the brain undergoing neurosurgical procedures present us with the great opportunity to better investigate, understand, and optimize surgical techniques and equipment. FE models provide access to data such as the stress levels within the brain that would otherwise be inaccessible with the current medical technology. Brain retraction is often a dangerous but necessary part of neurosurgery, and current research focuses on minimizing trauma during the procedure. In this work, we present a simulation-based comparison of different types of retraction mechanisms. We focus on traditional spatulas and tubular retractors. Our results show that tubular retractors result in lower average predicted stresses, especially in the subcortical structures and corpus callosum. Additionally, we show that changing the location of retraction can greatly affect the predicted stress results. As the model predictions highly depend on the material model and parameters used for simulations, we also investigate the importance of using region-specific hyperelastic and viscoelastic material parameters when modelling a three-dimensional human brain during retraction. Our investigations demonstrate how FE simulations in neurosurgical techniques can provide insight to surgeons and medical device manufacturers. They emphasize how further work into this direction could greatly improve the management and prevention of injury during surgery. Additionally, we show the importance of modelling the human brain with region-dependent parameters in order to provide useful predictions for neurosurgical procedures.
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Affiliation(s)
- Emma Griffiths
- Department of Mechanical Engineering, Institute of Continuum Mechanics and Biomechanics, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058, Erlangen, Germany.
| | - Jayaratnam Jayamohan
- Department of Pediatric Neurosurgery, John Radcliffe Hospital, Oxford, OX3 9DU, UK
| | - Silvia Budday
- Department of Mechanical Engineering, Institute of Continuum Mechanics and Biomechanics, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058, Erlangen, Germany
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Jaimovich SG, Takeuchi K, Testa VT, Okumura E, Jaimovich R, Cinalli G. Cylinder tumor surgery in pediatric low-grade gliomas. Childs Nerv Syst 2024:10.1007/s00381-024-06417-5. [PMID: 38644385 DOI: 10.1007/s00381-024-06417-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2024] [Accepted: 04/15/2024] [Indexed: 04/23/2024]
Abstract
BACKGROUND Periventricular pediatric low-grade gliomas (pLGG) present a surgical challenge due to their deep-seated location, accessibility, and relationship with the subcortical network connections. Minimally invasive parafascicular approaches with tubular brain retractors (port brain surgery) have emerged, in recent years, as an alternative to conventional microsurgical and endoscopic approaches for removal of periventricular tumors. OBJECTIVES To describe the minimally invasive approach with tubular brain retractors for periventricular pLGG, its technique, applications, safety, and efficacy. METHODS In this article, we describe the port brain surgery techniques for periventricular pLGG as performed in different centers, with different commercialized tubular retractor systems. Illustrative cases followed by a literature review are analyzed, with a detailed description of different approaches or techniques, comparing their advantages and disadvantages with contemporary microsurgical and endoscopic approaches. CONCLUSIONS The port brain surgery with micro-exoscopic vision and endoscopic assistance, for the treatment of deep-seated lesions such as periventricular pLGG, is an alternative for achieving a functionally safe-gross total or subtotal-tumor resection, obtaining adequate tissue for pathological examination. This technique could offer a new dimension for a less-invasive, safe, and effective access to deep-seated tumors, offering the possibility to lower morbidity in experienced hands.
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Affiliation(s)
- Sebastian Gaston Jaimovich
- Department of Neurosurgery, "Prof. Dr. Juan P. Garrahan" Pediatric Hospital, Buenos Aires, Argentina
- Department of Neurosurgery, FLENI, Buenos Aires, Argentina
| | - Kazuhito Takeuchi
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | | | - Eriko Okumura
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Roberto Jaimovich
- Department of Neurosurgery, "Prof. Dr. Juan P. Garrahan" Pediatric Hospital, Buenos Aires, Argentina
- Department of Neurosurgery, FLENI, Buenos Aires, Argentina
| | - Giuseppe Cinalli
- Department of Pediatric Neurosurgery, Santobono-Pausilipon Children's Hospital (AORN), Naples, Italy.
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Sankhla SK, Warade A, Khan GM. Endoport-Guided Endoscopic Excision of Intraaxial Brain Tumors. Adv Tech Stand Neurosurg 2024; 52:63-72. [PMID: 39017786 DOI: 10.1007/978-3-031-61925-0_5] [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: 07/18/2024]
Abstract
OBJECTIVE Transcortical approaches using a spatula-based retraction system have traditionally been used for the microsurgical resection of deep-seated intraventricular and parenchymal brain tumors. Recently, transparent cylindrical or tubular retractors have been developed to provide a stable corridor to access deeper brain lesions and perform bimanual microsurgical resection. The flexible endoports minimize brain retraction injury during surgery and, along with the superior vision of endoscopes, offer several advantages over standard microsurgery. In this chapter, we describe the surgical technique of the endoport-guided endoscopic excision of deep-seated intraaxial brain tumors. METHODS The endoscopic endoport technique that we use at our institution for the surgical management of intraventricular and intraparenchymal brain tumors has been described in detail with illustrative cases. RESULTS Results from the literature review of intraventricular and intraparenchymal port surgery were analyzed, and the feasibility and safety of this technique were discussed. Surgical complication avoidance and management were highlighted. The port technique offers numerous potential advantages, including (1) reducing focal brain injury by distributing retraction forces homogenously, (2) minimizing white matter disruption and the risk of fascicle injury during cannulation, (3) ensuring the stability of the surgical corridor during the procedure, (4) preventing inadvertent expansion of the corticectomy and white fiber tract dissection throughout surgery, and (5) protecting the surrounding tissues against iatrogenic injuries caused by instrument entry and reentry. CONCLUSION The endoport-assisted endoscopic technique is safe and offers an effective alternative option for the resection of intraventricular and intraparenchymal lesions.
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Affiliation(s)
- Suresh K Sankhla
- Department of Neurosurgery, Global Hospital, Mumbai, Maharashtra, India
| | - Anshu Warade
- Department of Neurosurgery, Global Hospital, Mumbai, Maharashtra, India
| | - G M Khan
- Department of Neurosurgery, Global Hospital, Mumbai, Maharashtra, India
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Takeuchi K. Endoscopic Cylinder Surgery for Ventricular Lesions. Adv Tech Stand Neurosurg 2024; 52:91-104. [PMID: 39017788 DOI: 10.1007/978-3-031-61925-0_7] [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: 07/18/2024]
Abstract
Cylinder retractors have been developed to reduce the risk of brain retraction injury during surgery by dispersing retraction pressure on the brain. In recent years, various types of cylinder retractors have been developed and widely used in neurosurgery. The ventricles, being deep structures within the brain, present an effective area for cylinder retractor utilization. Endoscopy provides a bright, wide field of view in the deep surgical field, even through narrow corridors.This chapter introduces surgical techniques using an endoscope through a cylinder. Given the deep and complex shapes of the ventricles, preoperative planning is paramount. Two main surgical techniques are employed in endoscopic cylinder surgery. The wet-field technique involves the continuous irrigation of artificial cerebrospinal fluid (CSF) during the procedure, maintaining ventricle shape with natural water pressure, facilitating tumor border identification, and achieving spontaneous hemostasis. Conversely, the dry-field technique involves CSF drainage, providing a clear visual field even during hemorrhage encounters. In intraventricular surgery, both techniques are used and switched as needed.Specific approaches for lateral, third, and fourth ventricular tumors are discussed, considering their locations and surrounding anatomical structures. Detailed intraoperative findings and strategies for tumor removal and hemostasis are presented.Endoscopic cylinder surgery offers a versatile and minimally invasive option for intraventricular tumors, leading to improved surgical outcomes. Overall, this technique enhances surgical precision and patient outcomes in intraventricular tumor cases.
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Menéndez RH, Chuang J, D'Osvaldo D, Breitburd K, Rubino P. Resection of an Intraventricular Metastatic Tumor with Minimally Invasive Port Technique: 2-Dimensional Operative Video. World Neurosurg 2023; 180:1. [PMID: 37678636 DOI: 10.1016/j.wneu.2023.08.122] [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] [Received: 06/16/2023] [Accepted: 08/28/2023] [Indexed: 09/09/2023]
Abstract
The use of minimally invasive port technology has been proposed as a safe method to reduce retractor-induced parenchymal injury, particularly for the resection of deep-seated lesions.1-6 A 69-year-old woman with a history of previous colon cancer surgery presented with gait disturbances and progressive headaches. Magnetic resonance imaging revealed a tumor involving the right ventricular atrium that appeared consistent with metastasis. A parieto-occipital craniotomy was performed on the basis of the preoperatively planned surgical trajectory (Video 1). After the dural incision, the arachnoid was opened down to the sulcus under visualization with microscope. Next, the ViewSite Brain Access system tubular retractor (VBAS; Vycor Medical Inc., Boca Raton, Florida, USA) was introduced toward the lesion under navigation guidance. Once the ventricular atrium was entered, the surface of the tumor came into view. It was coagulated and progressively debulked with ultrasonic aspirator. After the mass was adequately decompressed, a plane of dissection between the ependyma and the tumor could be developed with dynamic angulation of the port in order to allow better visualization. Finally, the tumor could be gently rolled away from the choroid plexus and removed. Meticulous hemostasis was achieved, and the tubular retractor was slowly removed. The patient recovered uneventfully without neurologic deficits on follow-up, and the postoperative magnetic resonance imaging evidenced a complete resection of the tumor. The video illustrates technical nuances and demonstrates the feasibility of minimal access port surgery for the resection of intraventricular lesions with low morbidity and mortality using microsurgical techniques. The patient consented to the publication of her image.
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Affiliation(s)
| | - Joaquin Chuang
- Department of Neurosurgery, Hospital Aleman, Buenos Aires, Argentina
| | - Daniel D'Osvaldo
- Department of Neurosurgery, Hospital Aleman, Buenos Aires, Argentina
| | - Karina Breitburd
- Department of Neurosurgery, Hospital Aleman, Buenos Aires, Argentina
| | - Pablo Rubino
- Department of Neurosurgery, Hospital Aleman, Buenos Aires, Argentina
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Yan C, Mao J, Yao C, Liu Y, Jin W, Yan H. Application of endoport-assisted neuroendoscopic techniques in lateral ventricular tumor surgery. Front Oncol 2023; 13:1191399. [PMID: 37916174 PMCID: PMC10616453 DOI: 10.3389/fonc.2023.1191399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 10/02/2023] [Indexed: 11/03/2023] Open
Abstract
Objective The objective of this study was to investigate the clinical experience and therapeutic efficiency of Endoport-assisted neuroendoscopic surgery for resection of lateral ventricular tumors. The key points and application value of this surgical technique were additionally discussed. Methods A retrospective analysis was conducted on the clinical and follow-up data of 16 patients who underwent endoport-assisted neuroendoscopic surgery for lateral ventricular tumors at the Department of Neurosurgery, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, between January 2018 and September 2020. The surgical procedures, complications and outcomes were analyzed. Results The study included a total of 16 patients (5 males and 11 females) with lateral ventricular tumors, with a mean age of 43.2 years (18-70 years old). The tumors were distributed as follows: 5 cases involved the body of the lateral ventricle, 3 involved the frontal horn and body, 3 involved the occipital horn, 2 involved the trigone, 2 involved the frontal horn, and 1 case involved the occipital horn and body. Perioperative complications were analyzed, revealing 1 case of intraoperative acute epidural hematoma intraoperative and 2 cases of postoperative obstructive hydrocephalus. All complications were promptly managed. Postoperative MRI revealed that 14 cases (88%) achieved total resection, while 2 cases (12%) achieved subtotal resection. During the follow-up of 6-38 months, no recurrence was observed. The patient diagnosed with glioblastoma died 16 months after surgery (GOS=1), while the remaining patients have successfully resumed to normal daily life with a GOS score of 5. Conclusion In conclusion, endoport-assisted neuroendoscopic surgery proved to be a minimally invasive and effective technique for resecting lateral ventricular tumors, with acceptable complications. It effectively utilizes the benefits of close observation, comprehensive exposure, and reduced tissue damage. Therefore, endoport-assisted neuroendoscopic surgery is suitable for the resection of lateral ventricular tumors.
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Affiliation(s)
- Chaolong Yan
- Department of Neurosurgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
- Department of Neurosurgery, Nanjing Drum Tower Hospital, Clinical College of Nanjing Medical University, Nanjing, China
| | - Jiannan Mao
- Department of Neurosurgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Chenbei Yao
- Department of Neurosurgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Yang Liu
- Department of Neurosurgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Wei Jin
- Department of Neurosurgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
- Department of Neurosurgery, Nanjing Drum Tower Hospital, Clinical College of Nanjing Medical University, Nanjing, China
| | - Huiying Yan
- Department of Neurosurgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
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Ibrahim N, Scullen T, Tucci M, Delashaw J, Khan P, Dumont A, Wang A. Minimally Invasive Hematoma Evacuation Using the MindsEye Expandable Tubular Retractor: A Technical Note. World Neurosurg 2023; 176:162-167. [PMID: 37201792 DOI: 10.1016/j.wneu.2023.05.036] [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] [Received: 05/08/2023] [Accepted: 05/09/2023] [Indexed: 05/20/2023]
Abstract
BACKGROUND Recent advances in intraoperative neuronavigation and cranial access devices have facilitated an increasing interest in the use of minimally invasive techniques (minimally invasive surgery) to safely treat subcortical lesions via a parafascicular approach. Newly developed expandable retractors, such as the MindsEye system further optimize such approaches. In this technical report, we describe the nuances in minimally invasive surgery parenchymal hematoma evacuation using the MindsEye device. METHODS After placement of the device, the inner stylet and inner obturator are removed, and the expandable sheath is left in place and secured into place with a Greenberg refractor. The sheath easily dilates to the surgeonss preference with a dial, and the walls of the sheath are composed of a thin, clear, membrane to allow easy visualization of the lesion. We additionally retrospectively reviewed clinical characteristics and outcomes across three patients treated at our facility with spontaneous multicompartment intracranial hematoma using the MindsEye system. RESULTS We provide a video case demonstrating the use of the MindsEye retractor in a transfrontal parenchymal hematoma evacuation. Successful evacuation with achieved in less than 90 minutes with near total clot removal and resolution of mass effect for all reviewed cases with no patients experiencing procedure-related postoperative decline. CONCLUSIONS Minimally invasive catheter-based and parafascicular approaches using tubular retractors are increasingly recognized as a viable option in the treatment of subcortical lesions. The MindsEye is the first expandable brain access port designed for removal of deep intracranial lesions. We believe it represents a recent addition in the armament of cranial surgeons.
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Affiliation(s)
- Naser Ibrahim
- Department of Neurological Surgery, Tulane University School of Medicine, New Orleans, Louisiana, USA
| | - Tyler Scullen
- Department of Neurological Surgery, Tulane University School of Medicine, New Orleans, Louisiana, USA
| | - Marissa Tucci
- Department of Neurological Surgery, Tulane University School of Medicine, New Orleans, Louisiana, USA
| | - Johnny Delashaw
- Department of Neurological Surgery, Tulane University School of Medicine, New Orleans, Louisiana, USA
| | - Pervez Khan
- Department of Neurological Surgery, Tulane University School of Medicine, New Orleans, Louisiana, USA
| | - Aaron Dumont
- Department of Neurological Surgery, Tulane University School of Medicine, New Orleans, Louisiana, USA
| | - Arthur Wang
- Department of Neurological Surgery, Tulane University School of Medicine, New Orleans, Louisiana, USA.
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Angileri FF, Raffa G, Curcio A, Granata F, Marzano G, Germanò A. Minimally Invasive Surgery of Deep-Seated Brain Lesions Using Tubular Retractors and Navigated Transcranial Magnetic Stimulation-Based Diffusion Tensor Imaging Tractography Guidance: The Minefield Paradigm. Oper Neurosurg (Hagerstown) 2023; 24:656-664. [PMID: 36805639 DOI: 10.1227/ons.0000000000000652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 12/08/2022] [Indexed: 02/22/2023] Open
Abstract
BACKGROUND Surgical treatment of deep-seated brain lesions is a major challenge for neurosurgeons. Recently, tubular retractors have been used to help neurosurgeons in achieving the targeting and resection of deep lesions. OBJECTIVE To describe a novel surgical approach based on the combination of tubular retractors and preoperative mapping by navigated transcranial magnetic stimulation (nTMS) and nTMS-based diffusion tensor imaging (DTI) tractography for the safe resection of deep-seated lesions. METHODS Ten consecutive patients affected by deep-seated brain lesions close to eloquent motor/language/visual pathways underwent preoperative nTMS mapping of motor/language cortical areas and nTMS-based DTI tractography of adjacent eloquent white matter tracts, including optic radiations. The nTMS-based information was used to plan the optimal surgical trajectory and to guide the insertion of tubular retractors within the brain parenchyma without causing injury to the eloquent cortical and subcortical structures. After surgery, all patients underwent a new nTMS-based DTI tractography of fascicles close to the tumor to verify their structural integrity. RESULTS Gross total resection was achieved in 8 cases, subtotal resection in 1 case, and a biopsy in 1 case. No new postoperative deficits were observed, except in 1 case where a visual field defect due to injury to the optic radiations occurred. Postoperative nTMS-based DTI tractography showed the integrity of the subcortical fascicles crossed by tubular retractors trajectory in 9 cases. CONCLUSION The novel strategy combining tubular retractors with functional nTMS-based preoperative mapping enables a safe microsurgical resection of deep-seated lesions through the preservation of eloquent cortical areas and subcortical fascicles, thus reducing the risk of new permanent deficits.
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Affiliation(s)
- Filippo Flavio Angileri
- Neurosurgery-Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
| | - Giovanni Raffa
- Neurosurgery-Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
| | - Antonello Curcio
- Neurosurgery-Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
| | - Francesca Granata
- Neuroradiology-Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
| | - Giuseppina Marzano
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Antonino Germanò
- Neurosurgery-Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
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Sankhla SK, Warade A, Khan GM. Endoport-Assisted Endoscopic Surgery for Removal of Lateral Ventricular Tumors: Our Experience and Review of the Literature. Neurol India 2023; 71:99-106. [PMID: 36861581 DOI: 10.4103/0028-3886.370438] [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: 03/03/2023]
Abstract
Background Endoscopic surgery has emerged in recent years as an alternative to conventional microsurgical approaches for removal of intraventricular tumors. Endoports have enhanced tumor access and visualization with a significant reduction in brain retraction. Objective To evaluate the safety and efficacy of endoport-assisted endoscopic technique for the removal of tumors from the lateral ventricle. Methods The surgical technique, complications, and postoperative clinical outcomes were analyzed with a review of the literature. Results Tumors were primarily located in one lateral ventricular cavity in all 26 patients, and extension to the foramen Monro and the anterior third ventricle was observed in seven and five patients, respectively. Except for three patients with small colloid cysts, all other tumors were larger than 2.5 cm. A gross total resection was performed in 18 (69%), subtotal in five (19%), and partial removal in three (11.5%) patients. Transient postoperative complications were observed in eight patients. Two patients required postoperative CSF shunting for symptomatic hydrocephalus. All patients improved on KPS scoring at a mean follow-up of 4.6 months. Conclusions Endoport-assisted endoscopic technique is a safe, simple, and minimally invasive method to remove intraventricular tumors. Excellent outcomes comparable to other surgical approaches can be achieved with acceptable complications.
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Affiliation(s)
- Suresh K Sankhla
- Department of Neurosurgery, Global Hospital, Mumbai, Maharashtra, India
| | - Anshu Warade
- Department of Neurosurgery, Global Hospital, Mumbai, Maharashtra, India
| | - Ghulam M Khan
- Department of Neurosurgery, Global Hospital, Mumbai, Maharashtra, India
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Amadeo T, Van Lewen D, Janke T, Ranzani T, Devaiah A, Upadhyay U, Russo S. Soft Robotic Deployable Origami Actuators for Neurosurgical Brain Retraction. Front Robot AI 2022; 8:731010. [PMID: 35096979 PMCID: PMC8795889 DOI: 10.3389/frobt.2021.731010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 12/27/2021] [Indexed: 12/15/2022] Open
Abstract
Metallic tools such as graspers, forceps, spatulas, and clamps have been used in proximity to delicate neurological tissue and the risk of damage to this tissue is a primary concern for neurosurgeons. Novel soft robotic technologies have the opportunity to shift the design paradigm for these tools towards safer and more compliant, minimally invasive methods. Here, we present a pneumatically actuated, origami-inspired deployable brain retractor aimed at atraumatic surgical workspace generation inside the cranial cavity. We discuss clinical requirements, design, fabrication, analytical modeling, experimental characterization, and in-vitro validation of the proposed device on a brain model.
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Affiliation(s)
- Tomas Amadeo
- Mechanical Engineering Department, Boston University, Boston, MA, United States
| | - Daniel Van Lewen
- Mechanical Engineering Department, Boston University, Boston, MA, United States
| | - Taylor Janke
- Mechanical Engineering Department, Boston University, Boston, MA, United States
| | - Tommaso Ranzani
- Mechanical Engineering Department, Boston University, Boston, MA, United States
| | - Anand Devaiah
- School of Medicine, Boston University, Boston, MA, United States
| | - Urvashi Upadhyay
- School of Medicine, Boston University, Boston, MA, United States
| | - Sheila Russo
- Mechanical Engineering Department, Boston University, Boston, MA, United States
- *Correspondence: Sheila Russo,
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Safronova EI, Kushel YV. [Tubular retractors for transcranial approaches to intraaxial brain tumors in children]. ZHURNAL VOPROSY NEIROKHIRURGII IMENI N. N. BURDENKO 2022; 86:15-24. [PMID: 35412709 DOI: 10.17116/neiro20228602115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
UNLABELLED Reduction of surgical trauma associated with approach to deep brain structures including resection of tumors is an urgent direction in development of techniques and technology. OBJECTIVE To analyze the efficacy and safety of tubular retractors in surgery of deep brain tumors in children. MATERIAL AND METHODS The study included 17 children with deep brain tumors who underwent surgery between 2020 and 2021. Tubular retractors were used in all cases. The control group consisted of 15 children with a similar disease and standard intraoperative tissue traction technique. All patients underwent MRI of the brain on the first postoperative day. We analyzed severity of traction-induced damage to brain tissue in T2 FLAIR and DWI images. RESULTS Clinical outcomes and structure of surgical complications were similar in both groups. Tubular retractor turned out to be a tool reducing traction injury. In the main group, postoperative MRI revealed significantly less damage to brain tissue along surgical approach in T2 (edema zone) and DWI (ischemic changes) images.
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Affiliation(s)
| | - Yu V Kushel
- Burdenko Neurosurgical Center, Moscow, Russia
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Cuellar-Hernandez JJ, Lopez-Gonzalez MA, Olivas-Campos JR, Tabera-Tarello PM, Seañez-Prieto C, Eastin TM, Song M. The use of exoscope combined with tubular retractor system for minimally invasive transsulcal resection of an ventricular atrium atypical choroid plexus papilloma: Three-dimensional operative video. Surg Neurol Int 2021; 12:444. [PMID: 34754526 PMCID: PMC8571091 DOI: 10.25259/sni_642_2021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 08/20/2021] [Indexed: 11/21/2022] Open
Abstract
Background: Choroid plexus papilloma represents 1–4% of pediatric brain tumors, mostly located in the ventricular atrium.[1] Intraventricular tumors represent a challenge due to the poor visualization of the surgical field and damage to surrounding structures.[2] Use of tubular retraction reduces cerebrovascular trauma to the surrounding parenchyma by distributing pressure uniformly, allowing less invasive corticotomy, and more stability on surgical corridors that allow the surgeon to use both hands and external visualization devices.[2-5] Case Description: We present the case of a 3-year-old boy with progressive headache, vomiting, and loss of control in the left hand for 3 months, with a history of ventricular shunt placement for acute obstructive hydrocephalus. The MRI revealed large lobulated lesion, which was hypointense on T1, hyperintense on T2, marked enhancement on T1 C+ (Gd) within the atrium of the right lateral ventricle, and spectroscopy with a peak of choline. Written consent for the use of photos and videos on this work was obtained from the patient’s mother. A high-definition two-dimensional exoscope (VITOM® Karl Storz, Tuttlingen) was used during the surgical approach and throughout tumor removal, which was aided by ViewSite Brain Access System (VBAS®; Vycor Medical Inc.).[3] We performed a transparietal minimally invasive transsulcal parafascicular approach through the Frazier point for direct access to the ventricular atrium. Histological examination confirmed atypical choroid plexus papilloma. Postoperative imaging shows no residual tumor. The postoperative course was satisfactory with improvement of the headache and control of the left hand, leading to discharge home 1 week after surgery. Conclusion: The tubular transparietal minimally invasive approach obviates the need for traditional approaches to the atrium. This technique is safe and effective for the treatment of intraventricular and periventricular lesions, thus making this challenging target in more accessible to neurosurgeons, avoiding structure damage and any associated morbidity or mortality.
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Affiliation(s)
| | | | - J Ramon Olivas-Campos
- Department of Neurosurgery, Northeast National Medical Center, Monterrey, Nuevo Leon, Mexico
| | - Paulo M Tabera-Tarello
- Department of Neurosurgery, Northeast National Medical Center, Monterrey, Nuevo Leon, Mexico
| | - Carlos Seañez-Prieto
- Department of Neurosurgery, Northeast National Medical Center, Monterrey, Nuevo Leon, Mexico
| | - Timothy Marc Eastin
- Department of Neurosurgery, Loma Linda University School of Medicine, Loma Linda, California, United States
| | - Minwoo Song
- Department of Neurosurgery, Loma Linda University School of Medicine, Loma Linda, California, United States
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14
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Carpenter AB, Lara-Reyna J, Hardigan T, Ladner T, Kellner C, Yaeger K. Use of emerging technologies to enhance the treatment paradigm for spontaneous intraventricular hemorrhage. Neurosurg Rev 2021; 45:317-328. [PMID: 34392456 DOI: 10.1007/s10143-021-01616-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 06/24/2021] [Accepted: 07/25/2021] [Indexed: 12/16/2022]
Abstract
The presence of intraventricular hemorrhage (IVH) portends a worse prognosis in patients presenting with spontaneous intracerebral hemorrhage (ICH). Intraventricular hemorrhage increases the rates of hydrocephalus, ventriculitis, and long-term shunt dependence. Over the past decade, novel medical devices and protocols have emerged to directly treat IVH. Presently, we review new technological adaptations to treating intraventricular hemorrhage in an effort to focus further innovation in treating this morbid neurosurgical pathology. We summarize current and historical treatments as well as innovations in IVH including novel procedural techniques, use of the Integra Surgiscope, use of the Artemis evacuator, use of BrainPath, novel catheter technology, large bore external ventricular drains, the IRRAflow, the CerebroFlo, and the future directions of the field. Technology and medical devices for both surgical and nonsurgical methods are advancing the treatment of IVH. With many promising new technologies on the horizon, prospects for improved clinical care for IVH and its etiologies remain hopeful.
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Affiliation(s)
| | - Jacques Lara-Reyna
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai Medical System, New York, NY, USA
| | - Trevor Hardigan
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai Medical System, New York, NY, USA
| | - Travis Ladner
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai Medical System, New York, NY, USA
| | - Christopher Kellner
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai Medical System, New York, NY, USA
| | - Kurt Yaeger
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai Medical System, New York, NY, USA.
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15
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Kutlay M, Durmaz MO, Kırık A, Yasar S, Ezgu MC, Kural C, Temiz C, Tehli O, Daneyemez M, Izci Y. Resection of intra- and paraventricular malignant brain tumors using fluorescein sodium-guided neuroendoscopic transtubular approach. Clin Neurol Neurosurg 2021; 207:106812. [PMID: 34280673 DOI: 10.1016/j.clineuro.2021.106812] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 07/04/2021] [Accepted: 07/05/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND The requirement of brain retraction and difficulty in distinguishing the tumor demarcation are challenging in conventional approaches to intra- and paraventricular malignant tumors (IV-PVMTs). Tubular retractors can minimize the retraction injury, and fluorescein-guided (FG) surgery may promote the resection of tumors. Our aim is to evaluate the feasibility, safety, and effectiveness of fluorescein-guided endoscopic transtubular surgery for the resection of IV-PVMTs. METHODS Twenty patients with IV-PVMTs underwent FG endoscopic transtubular tumor resection. Fluorescein sodium was administered before the dural opening. The intraoperative fluorescence staining was classified as "helpful" and "unhelpful" based on surgical observation. Extent of resection was assessed using postoperative magnetic resonance imaging. Karnofsky Performance Status (KPS) score was used to evaluate the general physical condition of patients. RESULTS There were 9 glioblastomas, 4 anaplastic astrocytomas and 7 metastatic tumors. "Helpful" fluorescence staining was observed in 16(80%) of 20 patients. Gross total resection was achieved in 16(80%) cases, near-total in 3(15%) cases, and subtotal in 1 (5%) case. No intra- or postoperative complications related to the fluorescein sodium occurred. The median preoperative KPS score was 83, and the median KPS score 3-month after surgery was 88. CONCLUSION FG endoscopic transtubular surgery is a feasible technique for the resection of IV-PVMTs. It may be a safe and effective option for patients with these tumors. Future prospective randomized studies with larger samples are needed to confirm these preliminary data.
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Affiliation(s)
- Murat Kutlay
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Mehmet Ozan Durmaz
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Alparslan Kırık
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Soner Yasar
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Mehmet Can Ezgu
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Cahit Kural
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Caglar Temiz
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Ozkan Tehli
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Mehmet Daneyemez
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey
| | - Yusuf Izci
- Department of Neurosurgery, Gulhane School of Medicine, University of Health Sciences, Ankara, Turkey.
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Passeri T, Giammattei L, Abbritti R, di Russo P, Bernat AL, Penet N, Mandonnet E, Froelich S. A new simple and free tubular device for microscopic transcortical approach to deep-seated lesions: technical note and case example. Acta Neurochir (Wien) 2021; 164:2049-2055. [PMID: 34196814 DOI: 10.1007/s00701-021-04927-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 06/20/2021] [Indexed: 12/19/2022]
Abstract
BACKGROUND Surgery for deep-seated brain tumors remains challenging. Transcortical approaches often require brain retraction to ensure an adequate surgical corridor, thus possibly leading to brain damage. Various techniques have been developed to minimize brain retraction such as self-retaining retractors, endoscopic approaches, or tubular retractor systems. Even if they evenly distribute the mechanical pressure over the parenchyma, rigid retractors can also cause some degree of brain damage and have significant disadvantages. We propose here a soft cottonoid retractor for microscopic resection of deep-seated and ventricular lesions. METHODS Through a small corticectomy, a channel route with a blunt cannula is developed until the lesion is reached. Then, a "balloon-like system" made with a surgical glove is progressively inflated, dilatating the surgical corridor. A mini-tubular device, handmade by suturing a surgical cottonoid, is positioned into the corridor, unfolded, and sutured to the edge of the dura, to prevent it from being progressively expelled from the working channel. This allows a good visualization of the lesion and surrounding structures under the microscope. RESULTS Advantages of this technique are the softness of the tube walls, the absence of rigid arm to hold the tube, and the possibility for the tube to follow the movements of the instruments and to modify its orientation according to the working area. CONCLUSION This simple and inexpensive tubular working channel for microscopic transcortical approach is a valuable alternative technique to traditional self-retaining retractor and rigid tube for the microsurgical resection of deep-seated brain tumors.
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Affiliation(s)
- Thibault Passeri
- Department of Neurosurgery, Lariboisière Hospital, University of Paris, 2 rue Ambroise Paré, 75010, Paris, France.
| | - Lorenzo Giammattei
- Department of Neurosurgery, Lariboisière Hospital, University of Paris, 2 rue Ambroise Paré, 75010, Paris, France
| | - Rosaria Abbritti
- Department of Neurosurgery, Lariboisière Hospital, University of Paris, 2 rue Ambroise Paré, 75010, Paris, France
| | - Paolo di Russo
- Department of Neurosurgery, Lariboisière Hospital, University of Paris, 2 rue Ambroise Paré, 75010, Paris, France
| | - Anne-Laure Bernat
- Department of Neurosurgery, Lariboisière Hospital, University of Paris, 2 rue Ambroise Paré, 75010, Paris, France
| | - Nicolas Penet
- Department of Neurosurgery, Lariboisière Hospital, University of Paris, 2 rue Ambroise Paré, 75010, Paris, France
| | - Emmanuel Mandonnet
- Department of Neurosurgery, Lariboisière Hospital, University of Paris, 2 rue Ambroise Paré, 75010, Paris, France
| | - Sébastien Froelich
- Department of Neurosurgery, Lariboisière Hospital, University of Paris, 2 rue Ambroise Paré, 75010, Paris, France
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Marenco-Hillembrand L, Prevatt C, Suarez-Meade P, Ruiz-Garcia H, Quinones-Hinojosa A, Chaichana KL. Minimally Invasive Surgical Outcomes for Deep-Seated Brain Lesions Treated with Different Tubular Retraction Systems: A Systematic Review and Meta-Analysis. World Neurosurg 2020; 143:537-545.e3. [PMID: 32712409 DOI: 10.1016/j.wneu.2020.07.115] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 07/15/2020] [Accepted: 07/16/2020] [Indexed: 02/09/2023]
Abstract
BACKGROUND Minimally invasive surgery using tubular retractors was developed to minimize injury of surrounding brain during the removal of deep-seated lesions. No evidence supports the superiority of any available tubular retraction system in the treatment of these lesions. We conducted a systematic review and meta-analysis to evaluate outcomes and complications after the resection of deep-seated lesions with tubular retractors and among available systems. METHODS A PRISMA compliant systematic review was conducted on PubMed, Embase, and Scopus to identify studies in which tubular retractors were used to resect deep-seated brain lesions in patients ≥18 years old. RESULTS The search strategy yielded 687 articles. Thirteen articles complying with inclusion criteria and quality assessment were included in the meta-analysis. A total of 309 patients operated on between 2008 and 2018 were evaluated. The most common lesions were gliomas (n = 127), followed by metastases (n = 101) and meningiomas (n = 19). Four different tubular retractors were used: modified retractors (n = 121, 39.1%); METRx (n = 60, 19.4%); BrainPath (n = 92, 29.7%); and ViewSite Brain Access System (n = 36,11.7%). Estimated gross total resection rate was 75% (95% confidence interval, 69%-80%; I2 = 9%), whereas the estimated complication rate was 9% (95% confidence interval: 6%-14%; I2 = 0%). None of the different brain retraction systems was found to be superior regarding extent of resection or complications on multiple comparisons (P > 0.05). CONCLUSIONS Tubular retractors represent a promising tool to achieve maximum safe resection of deep-seated brain lesions. However, there does not seem to be a statistically significant difference in extent of resection or complication rates among tubular retraction systems.
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Affiliation(s)
| | - Calder Prevatt
- Department of Neurological Surgery, Mayo Clinic, Jacksonville, Florida, USA
| | - Paola Suarez-Meade
- Department of Neurological Surgery, Mayo Clinic, Jacksonville, Florida, USA
| | - Henry Ruiz-Garcia
- Department of Neurological Surgery, Mayo Clinic, Jacksonville, Florida, USA
| | | | - Kaisorn L Chaichana
- Department of Neurological Surgery, Mayo Clinic, Jacksonville, Florida, USA.
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18
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Lim J, Sung KS, Hwang SJ, Chun DH, Cho KG. Tumor retractor: a simple and novel instrument for brain tumor surgery. World J Surg Oncol 2020; 18:37. [PMID: 32054516 PMCID: PMC7020598 DOI: 10.1186/s12957-020-1800-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 01/21/2020] [Indexed: 12/01/2022] Open
Abstract
Background It is important to secure a surgical space during brain tumor surgery. One of the commonly used methods is to retract the brain. We hypothesized that the tumor can be retracted and that the normal brain tissue retraction can be minimized during surgery, and thus, the degree of collateral damage caused by brain retraction would be reduced. Methods The tumor retractor had a 90°, hard, and sharp tip for fixation of the tumor. The distal part of the retractor has a malleable and thin blade structure. By adjusting the angle of the distal malleable part of the tumor retractor, the operator can make the retracting angle additionally. Retractors with thin blade can be used in a conventional self-retraction system. To pull and hold the tumor constantly, the tumor retractor is held by a self-retraction system. The surgical technique using a tumor retractor is as follows: The first step is to fix the retractor to the tumor. The second step is to pull the retractor in the operator’s desired direction by applying force. After the tumor is pulled by adjusting the degree of force and angle, the surgical arm should be held in place to maintain the tumor retracted state. Results The tumor retractor was used to minimize the brain retraction, pulling the tumor in the opposite direction from the surrounding brain tissue. In clinical cases, we can apply the tumor retractor with good surgical outcomes. Conclusions A tumor retractor can be used to pull a tumor and minimize the brain retraction.
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Affiliation(s)
- Jaejoon Lim
- Department of Neurosurgery, Bundang CHA Medical Center, CHA University College of Medicine, Seongnam, Republic of Korea
| | - Kyoung Su Sung
- Department of Neurosurgery, Dong-A University Hospital, Dong-A University College of Medicine, Busan, Republic of Korea
| | - So Jung Hwang
- Department of Neurosurgery, Bundang CHA Medical Center, CHA University College of Medicine, Seongnam, Republic of Korea
| | - Duk-Hee Chun
- Department of Anesthesiology and Pain Medicine, Bundang CHA Medical Center, CHA University College of Medicine, Seongnam, Republic of Korea.
| | - Kyung Gi Cho
- Department of Neurosurgery, Bundang CHA Medical Center, CHA University College of Medicine, Seongnam, Republic of Korea.
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