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Yagi T, Mizuno M, Kageyama H, Tatebayashi K, Endo T, Takeshima Y, Iwasaki M, Kurokawa R, Takai K, Nishikawa M, Hida K. Spinal Cord Subependymoma: A Subanalysis of the Neurospinal Society of Japan's Multicenter Study of Intramedullary Spinal Cord Tumors. Neurospine 2023; 20:735-746. [PMID: 37350166 PMCID: PMC10562242 DOI: 10.14245/ns.2346388.194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 05/23/2023] [Accepted: 05/25/2023] [Indexed: 06/24/2023] Open
Abstract
OBJECTIVE This study aimed to analyze the clinical characteristics, treatment strategies, and surgical outcomes of subependymoma patients from the 2022 Neurospinal Society of Japan multicenter intramedullary spinal cord tumor study. METHODS Twenty-six patients with spinal cord subependymoma who were included in the index study of 1,033 patients were retrospectively analyzed. RESULTS Mean patient age was 49.4 years. Seventeen patients were men and 9 were women. Sensory disturbance was reported in 22 patients and motor weakness in 18. Median duration of symptoms was 24 months. The tumor was eccentrically located in 19 patients (73.1%) and unilateral in 17 (65.4%). Gross total resection was achieved in 6 patients (23.1%). The same rate for ependymoma patients in the index study was significantly higher (74.8%). Median follow-up was 40.5 months (interquartile range, 18-68 months). In 2 patients who underwent only partial resection, reoperation was required owing to progression 68 and 90 months after surgery, respectively. No recurrence occurred in patients who underwent gross total resection. Five patients experienced neurological worsening after surgery. CONCLUSION Although spinal cord subependymoma can be difficult to distinguish from other intramedullary spinal cord lesions before surgery, it is characterized by an indolent clinical course and eccentric location. Surgical treatment should prioritize functional preservation because the prognosis is good even after subtotal resection.
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Affiliation(s)
- Takashi Yagi
- Department of Neurosurgery, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Yamanashi, Japan
| | - Masaki Mizuno
- Department of Minimally Invasive Neurospinal Surgery, Mie University, Mie, Japan
| | - Hiroto Kageyama
- Department of Neurosurgery, Hyogo Medical University, Hyogo, Japan
| | | | - Toshiki Endo
- Division of Neurosurgery, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | | | - Motoyuki Iwasaki
- Department of Neurosurgery, Hokkaido University, Hokkaido, Japan
| | - Ryu Kurokawa
- Department of Neurosurgery, Dokkyo Medical University, Tochigi, Japan
| | - Keisuke Takai
- Department of Neurosurgery, Tokyo Metropolitan Neurological Hospital, Tokyo, Japan
| | - Misao Nishikawa
- Department of Neurosurgery, Moriguchi-Ikuno Memorial Hospital, Osaka, Japan
| | - Kazutoshi Hida
- Department of Neurosurgery, Sapporo Azabu Neurosurgical Hospital, Sapporo, Japan
| | - for the Neurospinal Society of Japan Investigators of Intramedullary Spinal Cord Tumors
- Department of Neurosurgery, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Yamanashi, Japan
- Department of Minimally Invasive Neurospinal Surgery, Mie University, Mie, Japan
- Department of Neurosurgery, Hyogo Medical University, Hyogo, Japan
- Division of Neurosurgery, Tohoku Medical and Pharmaceutical University, Sendai, Japan
- Department of Neurosurgery, Nara Medical University, Nara, Japan
- Department of Neurosurgery, Hokkaido University, Hokkaido, Japan
- Department of Neurosurgery, Dokkyo Medical University, Tochigi, Japan
- Department of Neurosurgery, Tokyo Metropolitan Neurological Hospital, Tokyo, Japan
- Department of Neurosurgery, Moriguchi-Ikuno Memorial Hospital, Osaka, Japan
- Department of Neurosurgery, Sapporo Azabu Neurosurgical Hospital, Sapporo, Japan
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Rakovec M, Camp S, Day D, Chakravarti S, Parker M, Porras JL, Jackson CM, Huang J, Bettegowda C, Lim M, Mukherjee D. Use of tubular retractors to access deep brain lesions: A case series. J Clin Neurosci 2023; 114:64-69. [PMID: 37321019 DOI: 10.1016/j.jocn.2023.06.002] [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: 04/04/2023] [Revised: 05/23/2023] [Accepted: 06/02/2023] [Indexed: 06/17/2023]
Abstract
BACKGROUND Deep-seated intracranial lesions can be accessed using blade retractors that may disrupt white matter tracts, exert pressure on adjacent tissue, and lead to post-operative venous injury. Tubular retractors may minimize disruption to white matter tracts by radially dispersing pressure onto surrounding tissue. This study characterizes perioperative outcomes in patients undergoing biopsy or resection of intracranial pathologies using tubular retractors. METHODS Adult patients (≥18 years) undergoing neurosurgical intervention using tubular retractors at a single health system (January 2016-February 2022) were identified through chart review. Demographics, disease characteristics, management data, and clinical outcomes were collected. RESULTS A total of 49 patients were included; 23 (47%) had primary brain tumors, 8 (16%) metastases, 6 (12%) intracranial hemorrhage (ICH), 5 (10%) cavernomas, and 7 (14%) other pathologies. Lesions were located subcortically (n = 19, 39%), intraventricularly (n = 15, 31%), and in deep gray matter (n = 11, 22%). Gross total resection (GTR) or near GTR was achieved in 21 of 26 (80.8%) patients with intracranial lesions where GTR was the goal of surgery; 10 of 11 (90.9%) biopsies in patients with masses were diagnostic. Five of six (83.3%) ICHs were totally or near totally evacuated. Seventeen patients (35%) had major complications post-operatively. The most common complications were DVT/PE (n = 7, 14%) and seizures (n = 6, 12%). For patients who experienced post-operative seizures, 3 had seizures preoperatively and 1 had seizures in the context of electrolyte derangements. No patients died of post-operative complications. CONCLUSION This operative approach may facilitate safe and efficacious biopsy or resection of deep-seated intracranial pathologies.
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Affiliation(s)
- Maureen Rakovec
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21231, United States
| | - Samantha Camp
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21231, United States
| | - David Day
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21231, United States
| | - Sachiv Chakravarti
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21231, United States
| | - Megan Parker
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21231, United States
| | - Jose L Porras
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21231, United States
| | - Christopher M Jackson
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21231, United States
| | - Judy Huang
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21231, United States
| | - Chetan Bettegowda
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21231, United States
| | - Michael Lim
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA 94305, United States
| | - Debraj Mukherjee
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD 21231, United States; Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, United States.
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Hu TH, Wang R, Wang HY, Song YF, Yu JH, Wang ZX, Duan YZ, Liu T, Han S. Coexistence of meningioma and other intracranial benign tumors in non-neurofibromatosis type 2 patients: A case report and review of literature. World J Clin Cases 2022; 10:4249-4263. [PMID: 35665119 PMCID: PMC9131210 DOI: 10.12998/wjcc.v10.i13.4249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 10/29/2021] [Accepted: 03/16/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The coexistence of meningioma and other intracranial primary benign tumors is rare, especially in non-neurofibromatosis type 2, and there is limited guidance for the management of such patients. Here, we report a series of 5 patients with concomitant meningioma and other intracranial benign tumors, including subependymoma and pituitary adenoma.
CASE SUMMARY Five non-neurofibromatosis type 2 patients with simultaneous occurrence of meningioma and other intracranial benign tumors were retrospectively reviewed. The patients had no history of previous irradiation. The clinical features, pre- and postoperative imaging, surgical procedure and pathological findings were extracted from electronic medical records. There were 4 female patients (80%) and 1 male patient (20%). The mean age was 42.8 years (range: 29-52 years). The coexisting tumors included subependymoma in 1 case (20%) and pituitary adenoma in 4 cases (80%). The most common clinical symptom was headache (3/5, 60%). Four patients (80%) underwent craniotomy. One patient (20%) underwent transsphenoidal surgery followed by transcranial operation. All tumor diagnoses were confirmed by histopathological examination. The mean follow-up was 38.8 mo (range: 23-96 mo), and all 5 patients were in a stable condition at the last follow-up.
CONCLUSION The simultaneous occurrence of meningioma and other intracranial benign tumors is a rare clinical event. Histological examination is necessary for the accurate diagnosis. Neurosurgeons should select the appropriate surgical strategy according to the clinical features of each patient, which may provide a more favorable prognosis for individual patients.
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Affiliation(s)
- Tian-Hao Hu
- Department of Neurosurgery, The First Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
| | - Run Wang
- Department of Neurosurgery, The First Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
| | - Hai-Yun Wang
- Department of Neurosurgery, The First Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
| | - Yi-Fu Song
- Department of Neurosurgery, The First Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
| | - Juan-Han Yu
- Department of Pathology, China Medical University, Shenyang 110001, Liaoning Province, China
| | - Zi-Xun Wang
- Department of Neurosurgery, The First Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
| | - Yu-Zhou Duan
- Department of Neurosurgery, The First Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
| | - Ting Liu
- Department of Radiology, The First Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
| | - Sheng Han
- Department of Neurosurgery, The First Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
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