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Ukishiro K, Osawa SI, Kakisaka Y, Jin K, Tominaga T, Endo H, Nakasato N. Remission of startle epilepsy provoked by acoustic stimuli following complete callosotomy: A case study. Epileptic Disord 2024. [PMID: 38713433 DOI: 10.1002/epd2.20238] [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: 02/09/2024] [Accepted: 04/23/2024] [Indexed: 05/08/2024]
Abstract
Herein, we present the case of a 21-year-old man with a history of generalized tonic seizures since the age of 4 years. These seizures occurred either spontaneously or could be provoked by auditory stimuli such as the sounds of a vacuum cleaner or an electric shaver. Despite trials with 10 different anti-seizure medications, his seizures remained refractory. Interictal electroencephalography (EEG) revealed generalized epileptiform activity, whereas ictal EEG showed a generalized attenuation pattern. Magnetic resonance imaging revealed extensive chronic infarctions, predominantly in the bilateral cerebral watershed areas. At the age of 17, the patient underwent a one-stage complete callosotomy, which only achieved remission of auditory-provoked seizures. Based on this experience and published reports, we propose that the posterior corpus callosum, particularly the isthmus and anterior splenium, may be involved in seizures caused by unexpected sound stimuli.
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Affiliation(s)
- Kazushi Ukishiro
- Department of Epileptology, Tohoku University Graduate School of Medicine, Sendai, Japan
- Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Shin-Ichiro Osawa
- Department of Epileptology, Tohoku University Graduate School of Medicine, Sendai, Japan
- Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yosuke Kakisaka
- Department of Epileptology, Tohoku University Graduate School of Medicine, Sendai, Japan
- Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Kazutaka Jin
- Department of Epileptology, Tohoku University Graduate School of Medicine, Sendai, Japan
- Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Teiji Tominaga
- Department of Epileptology, Tohoku University Graduate School of Medicine, Sendai, Japan
- Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Hidenori Endo
- Department of Epileptology, Tohoku University Graduate School of Medicine, Sendai, Japan
- Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Nobukazu Nakasato
- Department of Epileptology, Tohoku University Graduate School of Medicine, Sendai, Japan
- Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
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Konomatsu K, Kakisaka Y, Sato S, Kubota T, Soga T, Ukishiro K, Jin K, Mugikura S, Aoki M, Nakasato N. "Caterpillar sign" in corpus callosum associated with curvilinear pericallosal lipoma in MRI: A case report. Radiol Case Rep 2024; 19:2058-2061. [PMID: 38523692 PMCID: PMC10958131 DOI: 10.1016/j.radcr.2024.02.058] [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: 11/28/2023] [Revised: 02/09/2024] [Accepted: 02/15/2024] [Indexed: 03/26/2024] Open
Abstract
Lipoma of the corpus callosum, also known as pericallosal lipoma, is a rare congenital brain abnormality associated with corpus callosum dysgenesis or agenesis. Two morphological types are described: tubulonodular and curvilinear, with the latter being mostly asymptomatic. We present the case of a 30-year-old woman with epilepsy, whose magnetic resonance imaging revealed a "caterpillar sign" in the corpus callosum associated with a curvilinear pericallosal lipoma. The "caterpillar sign" in the corpus callosum showed low signal intensity on magnetization prepared rapid acquisition with gradient echo, high signal on fluid-attenuated inversion recovery, and low on susceptibility-weighted imaging, possibly indicating abnormal blood vessels penetrating from the ventricle to the posterior callosal vein. We need to be conscious of this unusual finding, particularly when considering surgical intervention in the corpus callosum in cases of pericallosal lipoma, to avoid vascular complications.
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Affiliation(s)
- Kazutoshi Konomatsu
- Departments of Epileptology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
- Departments of Neurology Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Yosuke Kakisaka
- Departments of Epileptology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Shiho Sato
- Departments of Diagnostic Radiology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Takafumi Kubota
- Departments of Epileptology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
- Departments of Neurology Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Temma Soga
- Departments of Epileptology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
- Departments of Neurology Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Kazushi Ukishiro
- Departments of Epileptology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Kazutaka Jin
- Departments of Epileptology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Shunji Mugikura
- Division of Image Statistics, Tohoku Medical Megabank Organization, Sendai, Miyagi, Japan
| | - Masashi Aoki
- Departments of Neurology Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Nobukazu Nakasato
- Departments of Epileptology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
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Hansen D, Shandley S, Olaya J, Hauptman J, Auguste K, Ostendorf AP, Depositario-Cabacar DF, Wong-Kisiel LC, Reddy SB, McCormack MJ, Gonzalez-Giraldo E, Sullivan J, Pradeep J, Singh RK, Romanowski EF, McNamara NA, Ciliberto MA, Tatachar P, Shrey DW, Karakas C, Karia S, Kheder A, Gedela S, Alexander A, Eschbach K, Bolton J, Marashly A, Wolf S, McGoldrick P, Nangia S, Grinspan Z, Coryell J, Samanta D, Armstrong D, Perry MS. A multi-center comparison of surgical techniques for corpus Callosotomy in pediatric drug-resistant epilepsy. Epilepsia 2024; 65:422-429. [PMID: 38062633 DOI: 10.1111/epi.17853] [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: 07/11/2023] [Revised: 12/05/2023] [Accepted: 12/05/2023] [Indexed: 12/23/2023]
Abstract
OBJECTIVES Corpus callosotomy (CC) is used to reduce seizures, primarily in patients with generalized drug-resistant epilepsy (DRE). The invasive nature of the procedure contributes to underutilization despite its potential superiority to other palliative procedures. The goal of this study was to use a multi-institutional epilepsy surgery database to characterize the use of CC across participating centers. METHODS Data were acquired from the Pediatric Epilepsy Research Consortium (PERC) Surgery Database, a prospective observational study collecting data on children 0-18 years referred for surgical evaluation of DRE across 22 U.S. pediatric epilepsy centers. Patient, epilepsy, and surgical characteristics were collected across multiple CC modalities. Outcomes and complications were recorded and analyzed statistically. RESULTS Eighty-three patients undergoing 85 CC procedures at 14 participating epilepsy centers met inclusion criteria. Mean age at seizure onset was 2.3 years (0-9.4); mean age for Phase I evaluation and surgical intervention were 9.45 (.1-20) and 10.46 (.2-20.6) years, respectively. Generalized seizure types were the most common (59%). Complete CC was performed in 88%. The majority of CC procedures (57%) were via open craniotomy, followed by laser interstitial thermal therapy (LiTT) (20%) and mini-craniotomy/endoscopic (mc/e) (22%). Mean operative times were significantly longer for LiTT, whereas mean estimated blood loss was greater in open cases. Complications occurred in 11 cases (13%) and differed significantly between surgical techniques (p < .001). There was no statistically significant difference in length of postoperative stay across approaches. Mean follow-up was 12.8 months (range 1-39). Favorable Engel outcomes were experienced by 37 (78.7%) of the patients who underwent craniotomy, 10 (58.8%) with LiTT, and 12 (63.2%) with mc/e; these differences were not statistically significant. SIGNIFICANCE CC is an effective surgical modality for children with DRE. Regardless of surgical modality, complication rates are acceptable and seizure outcomes generally favorable. Newer, less-invasive, surgical approaches may lead to increased adoption of this efficacious therapeutic option for pediatric DRE.
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Affiliation(s)
- Daniel Hansen
- Jane and John Justin Institute for Mind Health, Cook Children's Medical Center, Fort Worth, Texas, USA
| | - Sabrina Shandley
- Jane and John Justin Institute for Mind Health, Cook Children's Medical Center, Fort Worth, Texas, USA
| | - Joffre Olaya
- Children's Hospital of Orange County, Orange, California, USA
| | - Jason Hauptman
- Division of Pediatric Neurosurgery, University of Washington/Seattle Children's Hospital, Seattle, Washington, USA
| | - Kurtis Auguste
- University of California San Francisco Weill Institute for Neurosciences, Benioff Children's Hospital, San Francisco, California, USA
| | - Adam P Ostendorf
- Department of Pediatrics, Nationwide Children's Hospital, Ohio State University, Columbus, Ohio, USA
| | - Dewi F Depositario-Cabacar
- Center for Neuroscience, Children's National Hospital, George Washington University School of Medicine, Washington, District of Columbia, USA
| | - Lily C Wong-Kisiel
- Department of Neurology, Divisions of Child Neurology and Epilepsy, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
| | - Shilpa B Reddy
- Department of Pediatric Neurology, Vanderbilt University, Monroe Carell Jr Children's Hospital, Nashville, Tennessee, USA
| | - Michael J McCormack
- Department of Pediatric Neurology, Vanderbilt University, Monroe Carell Jr Children's Hospital, Nashville, Tennessee, USA
| | - Ernesto Gonzalez-Giraldo
- University of California San Francisco Weill Institute for Neurosciences, Benioff Children's Hospital, San Francisco, California, USA
| | - Joseph Sullivan
- University of California San Francisco Weill Institute for Neurosciences, Benioff Children's Hospital, San Francisco, California, USA
| | - Javarayee Pradeep
- Department of Pediatric Neurology, Children's Hospital of Wisconsin, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Rani K Singh
- Division of Neurology, Department of Pediatrics, Atrium Health/Levine Children's Hospital, Charlotte, North Carolina, USA
| | - Erin Fedak Romanowski
- Department of Pediatrics, Division of Pediatric Neurology, Michigan Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Nancy A McNamara
- Department of Pediatrics, Division of Pediatric Neurology, Michigan Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Michael A Ciliberto
- Department of Pediatrics, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - Priya Tatachar
- Department of Pediatrics, Ann and Robert H Lurie Children's Hospital, Chicago, Illinois, USA
| | - Daniel W Shrey
- Children's Hospital of Orange County, Orange, California, USA
| | - Cemal Karakas
- Department of Neurology, Norton Children's Hospital, University of Louisville School of Medicine, Louisville, Kentucky, USA
| | - Samir Karia
- Department of Neurology, Norton Children's Hospital, University of Louisville School of Medicine, Louisville, Kentucky, USA
| | - Ammar Kheder
- Department of Pediatrics, Emory University College of Medicine, Children's Healthcare of Atlanta, Atlanta, Georgia, USA
| | - Satyanarayana Gedela
- Department of Pediatrics, Emory University College of Medicine, Children's Healthcare of Atlanta, Atlanta, Georgia, USA
| | - Allyson Alexander
- Department of Neurosurgery, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
- Division of Pediatric Neurosurgery, Children's Hospital Colorado, Aurora, Colorado, USA
| | - Krista Eschbach
- Department of Neurology, Children's Hospital Colorado, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Jeffrey Bolton
- Department of Neurology, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Ahmad Marashly
- Department of Neurology, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Steven Wolf
- Boston Children's Health Physicians of New York and Connecticut, Maria Fareri Children's Hospital, New York Medical College, Valhalla, New York, USA
| | - Patricia McGoldrick
- Boston Children's Health Physicians of New York and Connecticut, Maria Fareri Children's Hospital, New York Medical College, Valhalla, New York, USA
| | | | | | - Jason Coryell
- Doernbecher Children's Hospital, Oregon Health and Sciences University, Oregon Health Science Center, Portland, Oregon, USA
| | - Debopam Samanta
- Department of Neurology, Arkansas Children's Hospital, Little Rock, Arkansas, USA
| | - Dallas Armstrong
- Department of Neurology, University of Texas Southwestern, Dallas, Texas, USA
| | - M Scott Perry
- Jane and John Justin Institute for Mind Health, Cook Children's Medical Center, Fort Worth, Texas, USA
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Wu X, Ou S, Zhang H, Zhen Y, Huang Y, Wei P, Shan Y. Long-term follow-up seizure outcomes after corpus callosotomy: A systematic review with meta-analysis. Brain Behav 2023; 13:e2964. [PMID: 36929636 PMCID: PMC10097058 DOI: 10.1002/brb3.2964] [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: 08/12/2022] [Revised: 02/21/2023] [Accepted: 02/24/2023] [Indexed: 03/18/2023] Open
Abstract
BACKGROUND Corpus callosotomy (CC) is appropriate for patients with seizures of a bilateral or diffuse origin, or those with seizures of a unilateral origin with rapid spread to the contralateral cerebral hemisphere. The efficiency of CC in patients with drug-resistant epilepsy is a long-term concern because most articles reporting the surgical results of CC arise from small case series, and the durations of follow-up vary. METHODS PubMed, Embase, Cochrane Library, and Web of Science were searched to identify papers published before November 8, 2021. The systematic review was completed following PRISMA guidelines. Outcomes were analyzed by meta-analysis of the proportions. RESULTS A total of 1644 patients with drug-resistant epilepsy (49 retrospective or prospective case series studies) underwent CC, and the follow-up time of all patients was at least 1 year. The rate of complete seizure freedom (SF) was 12.38% (95% confidence interval [CI], 8.17%-17.21%). Meanwhile, the rate of complete SF from drop attacks was 61.86% (95% CI, 51.87%-71.41%). The rates of complete SF after total corpus callosotomy (TCC) and anterior corpus callosotomy (ACC) were 11.41% (95% CI, 5.33%-18.91%) and 6.75% (95% CI, 2.76%-11.85%), respectively. Additionally, the rate of complete SF from drop attacks after TCC was significantly higher than that after ACC (71.52%, 95% CI, 54.22%-86.35% vs. 57.11%, 95% CI, 42.17%-71.49%). The quality of evidence for the three outcomes by GRADE assessment was low to moderate. CONCLUSION There was no significant difference in the rate of complete SF between TCC and ACC. TCC had a significantly higher rate of complete SF from drop attacks than did ACC. Furthermore, CC for the treatment of drug-resistant epilepsy remains an important problem for further investigation because there are no universally accepted standardized guidelines for the extent of CC and its benefit to patients. In future research, we will focus on this issue.
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Affiliation(s)
- Xiaolong Wu
- Department of Neurosurgery, XuanWu Hospital, Capital Medical University, Beijing, China.,International Neuroscience Institute (China-INI), Beijing, China.,Clinical Research Center for Epilepsy, Capital Medical University, Beijing, China
| | - Siqi Ou
- Department of Neurosurgery, XuanWu Hospital, Capital Medical University, Beijing, China.,International Neuroscience Institute (China-INI), Beijing, China.,Clinical Research Center for Epilepsy, Capital Medical University, Beijing, China
| | - Huaqiang Zhang
- Department of Neurosurgery, XuanWu Hospital, Capital Medical University, Beijing, China.,International Neuroscience Institute (China-INI), Beijing, China.,Clinical Research Center for Epilepsy, Capital Medical University, Beijing, China
| | - Yuhang Zhen
- Department of Neurosurgery, XuanWu Hospital, Capital Medical University, Beijing, China.,International Neuroscience Institute (China-INI), Beijing, China.,Clinical Research Center for Epilepsy, Capital Medical University, Beijing, China
| | - Yinchun Huang
- Department of Neurosurgery, XuanWu Hospital, Capital Medical University, Beijing, China.,International Neuroscience Institute (China-INI), Beijing, China.,Clinical Research Center for Epilepsy, Capital Medical University, Beijing, China
| | - Penghu Wei
- Department of Neurosurgery, XuanWu Hospital, Capital Medical University, Beijing, China.,International Neuroscience Institute (China-INI), Beijing, China.,Clinical Research Center for Epilepsy, Capital Medical University, Beijing, China
| | - Yongzhi Shan
- Department of Neurosurgery, XuanWu Hospital, Capital Medical University, Beijing, China.,International Neuroscience Institute (China-INI), Beijing, China.,Clinical Research Center for Epilepsy, Capital Medical University, Beijing, China
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Kosugi K, Yoshitomi M, Takayama Y, Iijima K, Kimura Y, Kaneko Y, Toda M, Iwasaki M. Safety, Feasibility, and Efficacy of Additional Extraventricular Anterior Commissurotomy With Corpus Callosotomy. Oper Neurosurg (Hagerstown) 2023; 24:e68-e74. [PMID: 36637309 DOI: 10.1227/ons.0000000000000478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 08/28/2022] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND Corpus callosotomy (CC) is a palliative neurosurgical procedure for patients with intractable epilepsy and without resectable focal epileptogenic lesions. Anterior commissurotomy (AC) has been historically performed with CC. However, the efficacy and safety of adding AC to CC remain unknown. OBJECTIVE To describe the surgical technique of extraventricular AC and retrospectively investigate its clinical efficacy and safety by assessing patients who underwent CC with and without AC. METHODS AC has been added to CC at our institution since 2018. Fifty-five consecutive patients who received total callosotomy from 2016 to 2020 were included and categorized into 2 groups: 26 patients with additional AC and 29 patients without additional AC. Seizure outcome 1 year after surgery were compared between groups for assessing the efficacy of adding AC. The perioperative factors were compared for assessing the safety and feasibility. RESULTS Seizure reduction rate (50% and 60%; P = .60) and disappearance of drop attacks (42% and 58%; P = .25) were not significantly different between CC and CC + AC groups. No statistical group differences were found in intraoperative estimated blood loss, number of days to first oral intake, duration of postoperative intravenous hydration, and length of hospital stay. CONCLUSION Disconnection of the anterior commissure is a feasible and relatively safe procedure. This study failed to show the significant efficacy of adding AC to CC. However, further investigation is needed to prove its efficacy in ameliorating epilepsy.
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Affiliation(s)
- Kenzo Kosugi
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan.,Department of Neurosurgery, Keio University School of Medicine, Tokyo, Japan
| | - Munetake Yoshitomi
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Yutaro Takayama
- Department of Neurosurgery, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
| | - Keiya Iijima
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Yuiko Kimura
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Yuu Kaneko
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Masahiro Toda
- Department of Neurosurgery, Keio University School of Medicine, Tokyo, Japan
| | - Masaki Iwasaki
- Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
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