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Teping F, Oertel J. Considerations on surgical strategies and associated risk profiles for endoscopic tumor biopsies within the third ventricle and periaqueductal region. Childs Nerv Syst 2023; 39:3407-3414. [PMID: 37682304 PMCID: PMC10684420 DOI: 10.1007/s00381-023-06122-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 08/09/2023] [Indexed: 09/09/2023]
Abstract
INTRODUCTION Neuroendoscopic techniques have proven to be a successful and minimally-invasive technique for tumor biopsies within the third ventricle in pediatric patients. However, a comprehensive assessment of associated surgical strategies, techniques, and morbidity is essential to optimize patient outcomes. METHODS This retrospective study analyzed full endoscopic tumor biopsies in pediatric patients with tumors in the third ventricle and periaqueductal region. Data from 1995 to 2022 were collected from medical records, imaging, and intraoperative video documentation. RESULTS In this study, 16 shear endoscopic tumor biopsies were performed using the transventricular transforaminal approach. Tumors were located in the anterior or mid part of the third ventricle (50%) or in the periaqueductal and pineal recess region (50%). Preoperative hydrocephalus was seen in 81.25%. Tumor biopsies were harvested successfully in all cases. Simultaneous ETV was performed in 12 (75%) cases and additional septostomy in 3 (18.75%). Significant intraoperative bleeding occurred in 3 cases (18.75%). All bleeding situations could be successfully managed with continuous irrigation. Histopathology revealed astrocytoma as the predominant diagnosis (75%). No new neurologic deficits were observed, except for one case of transient oculomotor nerve paralysis after ETV. Hydrocephalus persisted in 18.6% of all cases with the need of urgent ventriculoperitoneal shunting in two patients. CONCLUSION In conclusion, neuroendoscopy emerges as an effective technique for tumor biopsies within the third ventricle in pediatric patients, offering the added advantage of simultaneous treatment of obstructive hydrocephalus. However, it is essential to acknowledge the specific intra- and postoperative risks associated with various surgical strategies. The safe management and achievement of favorable clinical results demand extensive experience and expertise.
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Affiliation(s)
- Fritz Teping
- Department of Neurosurgery, Faculty of Medicine, Saarland University, Kirrbergerstraße, Building 90.5, D-66421, Homburg, Germany
| | - Joachim Oertel
- Department of Neurosurgery, Faculty of Medicine, Saarland University, Kirrbergerstraße, Building 90.5, D-66421, Homburg, Germany.
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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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Greco E, Cortez GM, Monteiro A, Granja M, Garrity K, Han S, Beier A, Ranalli N, Hanel RA, Aldana PR. Combined Neuroendoscopic Techniques in the Management of Pediatric Brain and Skull Base Tumors: A Single-Institutional Case Series. World Neurosurg 2022; 164:e134-e142. [PMID: 35439619 DOI: 10.1016/j.wneu.2022.04.045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 04/08/2022] [Accepted: 04/09/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND Central nervous system tumors encompass the leading cause of cancer-related death in the pediatric population. Neuroendoscopic techniques have been optimized over the years, becoming an important tool for the management of brain tumors. Our study aims to review the indications for neuroendoscopic procedures and the feasibility of combined interventions. METHODS This is a single-center, self-adjudicated, retrospective experience. Inclusion criteria consisted of pediatric patients (≤18 years old) who underwent management of brain tumor or related diseases with the employment of neuroendoscopy. RESULTS A total of 47 patients undergoing 51 procedures met inclusion criteria. The mean age was 9.8 ± 4.6 years, and the majority were female (55.3%). Common indications for endoscopic intervention were hydrocephalus management (n = 24; 16 endoscopic third ventriculostomies and 9 septostomies), tumor biopsy (n = 19), cyst fenestration (n = 16), and tumor resection (n = 9). In one third of the cases, combined interventions occurred during a single operative session. Hydrocephalus was successfully managed in 74.4% of cases; tumor biopsy confirmed the diagnosis in 95.8% of cases, and gross total resection was achieved in 88.9% of cases. Cyst fenestration required reintervention in 3 cases: one case associated with initial cyst enlargement and 2 cases with the development of new tumor cysts separated from the originally fenestrated cyst. The overall complication rate was 6.3%, with only one major safety event, which was successfully managed. CONCLUSIONS Neuroendoscopy is an important minimally invasive tool for diagnosing and treating pediatric patients with brain tumors, permitting to address multiple problems in a single surgery.
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Affiliation(s)
- Elena Greco
- Lyerly Neurosurgery, Baptist Neurological Institute, Jacksonville, Florida, USA; San Paolo Medical School, Department of Health Sciences, Università degli Studi di Milano, Milan, Italy
| | - Gustavo M Cortez
- Lyerly Neurosurgery, Baptist Neurological Institute, Jacksonville, Florida, USA; Research Department, Jacksonville University, Jacksonville, Florida, USA
| | - Andre Monteiro
- Lyerly Neurosurgery, Baptist Neurological Institute, Jacksonville, Florida, USA
| | - Manuel Granja
- Lyerly Neurosurgery, Baptist Neurological Institute, Jacksonville, Florida, USA
| | - Kelsey Garrity
- Department of Neurosurgery, University of Florida College of Medicine, Jacksonville, Florida, USA
| | - Sabrina Han
- Department of Neurosurgery, University of Florida College of Medicine, Jacksonville, Florida, USA
| | - Alexandra Beier
- Department of Neurosurgery, University of Florida College of Medicine, Jacksonville, Florida, USA
| | - Nathan Ranalli
- Department of Neurosurgery, University of Florida College of Medicine, Jacksonville, Florida, USA
| | - Ricardo A Hanel
- Lyerly Neurosurgery, Baptist Neurological Institute, Jacksonville, Florida, USA
| | - Philipp R Aldana
- Department of Neurosurgery, University of Florida College of Medicine, Jacksonville, Florida, USA.
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Endoscopic and Endoscopically-Assisted Resection of Intraventricular Lesions Using a Neuroendoscopic Ultrasonic Aspirator. J Clin Med 2021; 10:jcm10173889. [PMID: 34501336 PMCID: PMC8432183 DOI: 10.3390/jcm10173889] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Revised: 08/18/2021] [Accepted: 08/25/2021] [Indexed: 12/13/2022] Open
Abstract
The development of minimally invasive neuroendoscopy has advanced in recent years. The introduction of the neuroendoscopic ultrasonic aspirator (NUA) broadened the treatment spectrum of neuroendoscopy. We aim to describe our experience with the use of NUA for the resection of intraventricular lesions. Here, we present consecutive retrospective case series of adult and pediatric patients undergoing resection of an intraventricular lesion with a NUA (Endoscopic Neurosurgical Pen, Söring GmbH, Quickborn, Germany) between January 2019 and April 2020. Eight patients between the age of 0.5 and 73 years underwent surgery using NUA and were included in this study. In four patients, an endoscopic assisted (EA) resection of the lesion was undertaken, while in four patients, the lesion was removed using purely endoscopic (PE) resection. In all cases, gross/near total resection was achieved. The average blood loss was 142.5 ± 90.4 mL (range 50–300 mL). Transient morbidity was seen in four patients (50%), while permanent morbidity or mortality did not occur. The NUA seems to be a safe and valuable tool for the minimally invasive resection of intraventricular lesions in selected cases. The type, size, consistency, and vascularization of the lesion limit at times the purely endoscopic use of the NUA.
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Mo F, Pellerino A, Rudà R. Subependymal Giant Cell Astrocytomas (SEGAs): a Model of Targeting Tumor Growth and Epilepsy. Curr Treat Options Neurol 2021. [DOI: 10.1007/s11940-021-00673-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Tomoto K, Fujimoto A, Inenaga C, Okanishi T, Imai S, Ogai M, Fukunaga A, Nakamura H, Sato K, Obana A, Masui T, Arai Y, Enoki H. Experience using mTOR inhibitors for subependymal giant cell astrocytoma in tuberous sclerosis complex at a single facility. BMC Neurol 2021; 21:139. [PMID: 33784976 PMCID: PMC8011204 DOI: 10.1186/s12883-021-02160-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 03/15/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Subependymal giant cell astrocytoma (SEGA) is occasionally seen in tuberous sclerosis complex (TSC). Two main options are currently available for treating SEGA: surgical resection or pharmacotherapy using mammalian target of rapamycin inhibitors (mTORi). We hypothesized that opportunities for surgical resection of SEGA would have reduced with the advent of mTORi. METHODS We retrospectively reviewed the charts of patients treated between August 1979 and July 2020, divided into a pre-mTORi era group (Pre-group) of patients treated before November 2012, and a post-mTORi era group (Post-group) comprising patients treated from November 2012, when mTORi became available in Japan for SEGA. We compared groups in terms of treatment with surgery or mTORi. We also reviewed SEGA size, rate of acute hydrocephalus, recurrence of SEGA, malignant transformation and adverse effects of mTORi. RESULTS In total, 120 patients with TSC visited our facility, including 24 patients with SEGA. Surgical resection was significantly more frequent in the Pre-group (6 of 7 patients, 86 %) than in the Post-group (2 of 17 patients, 12 %; p = 0.001). Acute hydrocephalus was seen in 1 patient (4 %), and no patients showed malignant transformation of SEGA. The group treated using mTORi showed significantly smaller SEGA compared with the group treated under a wait-and-see policy (p = 0.012). Adverse effects of pharmacotherapy were identified in seven (64 %; 6 oral ulcers, 1 irregular menstruation) of the 11 patients receiving mTORi. CONCLUSIONS The Post-group underwent surgery significantly less often than the Pre-group. Since the treatment option to use mTORi in the treatment of SEGA in TSC became available, opportunities for surgical resection have decreased in our facility.
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Affiliation(s)
- Kyoichi Tomoto
- Department of Neurosurgery, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Nakaku, Hamamatsu, 430-8558, Shizuoka, Japan
| | - Ayataka Fujimoto
- Department of Neurosurgery, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Nakaku, Hamamatsu, 430-8558, Shizuoka, Japan.
- Tuberous Sclerosis Complex Board, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Nakaku, Hamamatsu, 430-8558, Shizuoka, Japan.
| | - Chikanori Inenaga
- Department of Neurosurgery, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Nakaku, Hamamatsu, 430-8558, Shizuoka, Japan
| | - Tohru Okanishi
- Tuberous Sclerosis Complex Board, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Nakaku, Hamamatsu, 430-8558, Shizuoka, Japan
| | - Shin Imai
- Tuberous Sclerosis Complex Board, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Nakaku, Hamamatsu, 430-8558, Shizuoka, Japan
| | - Masaaki Ogai
- Tuberous Sclerosis Complex Board, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Nakaku, Hamamatsu, 430-8558, Shizuoka, Japan
| | - Akiko Fukunaga
- Tuberous Sclerosis Complex Board, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Nakaku, Hamamatsu, 430-8558, Shizuoka, Japan
| | - Hidenori Nakamura
- Tuberous Sclerosis Complex Board, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Nakaku, Hamamatsu, 430-8558, Shizuoka, Japan
| | - Keishiro Sato
- Tuberous Sclerosis Complex Board, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Nakaku, Hamamatsu, 430-8558, Shizuoka, Japan
| | - Akira Obana
- Tuberous Sclerosis Complex Board, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Nakaku, Hamamatsu, 430-8558, Shizuoka, Japan
| | - Takayuki Masui
- Tuberous Sclerosis Complex Board, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Nakaku, Hamamatsu, 430-8558, Shizuoka, Japan
| | - Yoshifumi Arai
- Tuberous Sclerosis Complex Board, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Nakaku, Hamamatsu, 430-8558, Shizuoka, Japan
| | - Hideo Enoki
- Tuberous Sclerosis Complex Board, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Nakaku, Hamamatsu, 430-8558, Shizuoka, Japan
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Frassanito P, Noya C, Tamburrini G. Current trends in the management of subependymal giant cell astrocytomas in tuberous sclerosis. Childs Nerv Syst 2020; 36:2527-2536. [PMID: 32978642 DOI: 10.1007/s00381-020-04889-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 05/28/2020] [Indexed: 10/23/2022]
Abstract
INTRODUCTION The management of subependymal giant cells astrocytomas (SEGAs) has been traditionally represented by surgical treatment through an open craniotomic approach. Though open surgery still represents a major option in the management of this kind of tumors, the introduction of mTOR inhibitors in the clinical practice, technological advances in neuroendoscopy and the more recent use of laser interstitial therapy have significantly enlarged the range of available management opportunities. METHODS A thorough review of the literature has been performed. Accordingly, current views in open surgical treatment, medical therapy, endoscopic tumor removal and new trends (such as laser interstitial thermal therapy) are discussed. RESULTS The risk of significant neurological morbidity (5-50%) complicating open surgery has been for a long time representing a main drawback in the management of SEGAs. More recent series report a significant reduction of morbidity and mortality. The mTOR inhibitors have demonstrated efficacy in both warranting a tumor reduction by up to 60% of the tumor size and helping the control of seizures. However, the reported rate of side effects is as high as 30% and tumor recurrence is a documented occurrence at the time of mTOR inhibitor discontinuation. Endoscopic tumor removal has been more extensively considered an option due to the acquisition of new tools. Limits are still represented by tumor size (< 3 cm) and broad attachment of the tumor to the basal ganglia. Laser interstitial thermal therapy (LITT) is the more recently considered option. Though promising, only short follow-up is available so far, while data on medium- and long-term results of this treatment are completely lacking to date. CONCLUSIONS Surgical treatment remains a mainstay of the management of SEGAs. The indication for an open craniotomic approach should be balanced with an endoscopic tumor removal or LITT according to patient conditions, presence or not of an active hydrocephalus and extension of the attachment of the tumor to the basal ganglia. The mTOR inhibitors do have a definite role both as primary and as adjuvant treatment, but consistent limitations are represented up to now by a not negligible rate of complications and the uncertainties related to the possibility of tumor recurrence once the medical treatment is discontinued.
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Affiliation(s)
- Paolo Frassanito
- Pediatric Neurosurgery, Fondazione Policlinico Universitario Agostino Gemelli IRCSS, Rome, Italy.
| | - Carolina Noya
- Pediatric Neurosurgery, Fondazione Policlinico Universitario Agostino Gemelli IRCSS, Rome, Italy.,Università Cattolica del Sacro Cuore, Largo Agostino Gemelli, 8, 00168, Rome, Italy
| | - Gianpiero Tamburrini
- Pediatric Neurosurgery, Fondazione Policlinico Universitario Agostino Gemelli IRCSS, Rome, Italy.,Università Cattolica del Sacro Cuore, Largo Agostino Gemelli, 8, 00168, Rome, Italy
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Xu X, Zheng Y, Yao S, Sun G, Xu B, Chen X. A low-cost multimodal head-mounted display system for neuroendoscopic surgery. Brain Behav 2018; 8:e00891. [PMID: 29568688 PMCID: PMC5853619 DOI: 10.1002/brb3.891] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Revised: 09/26/2017] [Accepted: 11/15/2017] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND With rapid advances in technology, wearable devices as head-mounted display (HMD) have been adopted for various uses in medical science, ranging from simply aiding in fitness to assisting surgery. We aimed to investigate the feasibility and practicability of a low-cost multimodal HMD system in neuroendoscopic surgery. METHODS A multimodal HMD system, mainly consisted of a HMD with two built-in displays, an action camera, and a laptop computer displaying reconstructed medical images, was developed to assist neuroendoscopic surgery. With this intensively integrated system, the neurosurgeon could freely switch between endoscopic image, three-dimensional (3D) reconstructed virtual endoscopy images, and surrounding environment images. Using a leap motion controller, the neurosurgeon could adjust or rotate the 3D virtual endoscopic images at a distance to better understand the positional relation between lesions and normal tissues at will. RESULTS A total of 21 consecutive patients with ventricular system diseases underwent neuroendoscopic surgery with the aid of this system. All operations were accomplished successfully, and no system-related complications occurred. The HMD was comfortable to wear and easy to operate. Screen resolution of the HMD was high enough for the neurosurgeon to operate carefully. With the system, the neurosurgeon might get a better comprehension on lesions by freely switching among images of different modalities. The system had a steep learning curve, which meant a quick increment of skill with it. Compared with commercially available surgical assistant instruments, this system was relatively low-cost. CONCLUSIONS The multimodal HMD system is feasible, practical, helpful, and relatively cost efficient in neuroendoscopic surgery.
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Affiliation(s)
- Xinghua Xu
- Department of Neurosurgery Chinese PLA General Hospital Beijing China
| | - Yi Zheng
- Department of Dermatology Beijing Chaoyang Hospital Capital Medical University Beijing China
| | - Shujing Yao
- Department of Neurosurgery Chinese PLA General Hospital Beijing China
| | - Guochen Sun
- Department of Neurosurgery Chinese PLA General Hospital Beijing China
| | - Bainan Xu
- Department of Neurosurgery Chinese PLA General Hospital Beijing China
| | - Xiaolei Chen
- Department of Neurosurgery Chinese PLA General Hospital Beijing China
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Ishikawa T, Takeuchi K, Tsukamoto N, Kawabata T, Wakabayashi T. A Novel Dissection Method Using a Flexible Neuroendoscope for Resection of Tumors Around the Aqueduct of Sylvius. World Neurosurg 2017; 110:391-396. [PMID: 29158099 DOI: 10.1016/j.wneu.2017.11.044] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Revised: 11/04/2017] [Accepted: 11/07/2017] [Indexed: 11/28/2022]
Abstract
BACKGROUND Flexible endoscopes have both a wide range of movement and a wide field of view and are therefore widely used for endoscopic third ventriculostomy and biopsy. However, tumor resection around the aqueduct of Sylvius using flexible endoscopes has scarcely been reported. CASE DESCRIPTION We report 2 cases of tumor resection around the aqueduct of Sylvius. The first case is a 38-year-old man presenting with progressive headache, nausea, and diplopia. Magnetic resonance imaging (MRI) revealed a 1.4 cm nonenhancing mass at the entry of the aqueduct of Sylvius and occlusive hydrocephalus. We performed tumor resection and endoscopic third ventriculostomy (ETV) simultaneously. His symptoms disappeared after the operation. Final pathologic diagnosis was ancient schwannoma. The second case is a 78-year-old woman presenting with progressive disturbance of consciousness (coma). MRI showed 0.7 cm nonenhancing mass at the entry of the aqueduct of Sylvius and occlusive hydrocephalus. We performed tumor resection and ETV similarly. Her consciousness improved after the operation. Final tumor diagnosis was cavernous malformation. In both cases there was no additional neurologic deficit after the surgery. CONCLUSIONS By using a flexible endoscope for tumor dissection, resection of a tumor without a neck, which cannot be removed through aspiration alone, becomes possible. To our knowledge, the presented cases are the first to describe the effectiveness of complete resection of a tumor in the third ventricle using flexible endoscopy.
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Affiliation(s)
| | | | - Nobuhiro Tsukamoto
- Department of Neurosurgery, Hekinan Municipal Hospital, Hekinan City, Japan
| | - Teppei Kawabata
- Department of Neurosurgery, Nagoya University, Nagoya City, Japan
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Rocque BG. Neuroendoscopy for Intraventricular Tumor Resection. World Neurosurg 2015; 90:619-620. [PMID: 26721614 DOI: 10.1016/j.wneu.2015.12.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Accepted: 12/18/2015] [Indexed: 11/17/2022]
Affiliation(s)
- Brandon G Rocque
- Department of Neurosurgery, University of Alabama at Birmingham, Children's of Alabama, Birmingham, Alabama, USA; Birmingham VA Medical Center, Birmingham, Alabama, USA.
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