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Roethe AL, Beer L, Schulz M, Schaumann A, Thomale UW. Tailored Concept for Accurate Neuroendoscopy: A Comparative Retrospective Single-Center Study on Image-Guided Neuroendoscopic Procedures. World Neurosurg 2024; 185:60-70. [PMID: 38325702 DOI: 10.1016/j.wneu.2024.01.171] [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: 01/17/2024] [Accepted: 01/30/2024] [Indexed: 02/09/2024]
Abstract
OBJECTIVE Precise planning and execution is key for neuroendoscopic interventions, which can be based on different available aiding technologies. The aim of this retrospective study is to report a case-based use of guided neuroendoscopy and to develop a stratification algorithm for the available technologies. METHODS We reviewed consecutive neuroendoscopic cases performed at our center from 2016 to 2018. We distinguished between patients receiving a new burr hole (group A) and those with a preexisting burr hole (group B). Case-specific technical requirements for procedure planning and execution, complication rate, surgical outcome, and possible subsequent surgery were evaluated. From this experience, a stratification system was developed to tailor the available guiding technologies. RESULTS A total of 309 neuroendoscopic interventions in 243 patients were included in the present study. The cases included hydrocephalic (81.6%) and nonhydrocephalic (18.4%) conditions. The interventions were supported by coordinate-based (group A, n = 49; group B, n = 67), guide-based (group A, n = 42; group B, n = 0), ultrasound-guided (group A, n = 50; group B, n = 7), or navigated augmented reality-guided (group A, n = 85; group B, n = 9) techniques. The overall complication rate was 4.5%. Stratified by the surgical indication, fontanel status, entry point localization, presence of a preexisting burr hole, ventricular size, and number of targets, an approach toward image-guided neuroendoscopy is suggested. CONCLUSIONS Planning and technical guidance is essential in neuroendoscopic procedures. The stratified decision-making algorithm for different available technologies aims to achieve lower cost and time consumption, which was found to be safe and efficient. Further investigations are warranted to deliver solid data on procedure efficiency.
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Affiliation(s)
- Anna L Roethe
- Department of Neurosurgery, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Lilian Beer
- Pediatric Neurosurgery, Department of Neurosurgery, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Matthias Schulz
- Pediatric Neurosurgery, Department of Neurosurgery, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Andreas Schaumann
- Pediatric Neurosurgery, Department of Neurosurgery, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Ulrich-Wilhelm Thomale
- Pediatric Neurosurgery, Department of Neurosurgery, Charité-Universitätsmedizin Berlin, Berlin, Germany.
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2
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Meira DA, Júnior SP, da Cunha BLB, Marques Fontes JH, Pustilnik HN, da Paz MGDS, Alcântara T, de Avellar LM. Simultaneous Single-Trajectory Endoscopic Biopsy and Third Ventriculostomy in Pineal Region Tumors: A Systematic Review and Single Arm Meta-Analysis. World Neurosurg 2024; 184:e708-e719. [PMID: 38340795 DOI: 10.1016/j.wneu.2024.02.015] [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: 01/03/2024] [Revised: 02/02/2024] [Accepted: 02/03/2024] [Indexed: 02/12/2024]
Abstract
OBJECTIVE To assess the efficacy and surgical outcomes of the simultaneous single-trajectory endoscopic biopsy and third ventriculostomy (ETV) in pineal region tumors. METHODS A systematic review and meta-analysis adhering to Cochrane Standards and PRISMA framework were conducted. PubMed, Embase, and Web Of Science databases were searched until December 2023. Outcomes included rate of histopathologic diagnosis success, ETV success, complications, required VPS, and mortality. RESULTS Seventeen studies (N = 388) met inclusion criteria. Histopathologic diagnosis success rate was 90% for general population (95% CI: 86%-95%; I2 = 42%) and 94% for pediatric patients (95% CI: 89%-98%; I2 = 19%). ETV Success rate was 93% (95% CI: 88%-97%; I2 = 60%). An estimated risk of postoperative ETV complications was found to be 16% for the general population (95% CI: 5%-28%; I2 = 90%) and 5% for pediatric patients (95% CI: 0%-13%; I2 = 51%). The risk of requiring VPS was estimated as 2% (95% CI: 0%-4%; I2 = 39%) and for the pediatric population it was 7% (95% CI: 0%-16%; I2 = 69%). Mortality risk was found to be 1% (95% CI: 0%-3%; I2 = 0%). CONCLUSIONS Simultaneous endoscopic biopsy and ETV demonstrated high diagnostic and therapeutic success rates. The procedure's safety profile, with low mortality and complications, supports its role in treating hydrocephalus associated to pineal region tumors. Subgroup analyses revealed higher diagnostic success rates and required VPS in the pediatric population, whilst it had lower complication rates.
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Affiliation(s)
- Davi Amorim Meira
- Bahiana School of Medicine and Public Health, Salvador, Bahia, Brazil.
| | | | | | | | | | | | - Tancredo Alcântara
- General Hospital Roberto Santos, Neurosurgery Department, Salvador, Bahia, Brazil; Núcleo Integrado do Cérebro e Coluna, Salvador, Bahia, Brazil
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3
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Bianconi A, Panico F, Lo Zito B, Do Trinh A, Cassoni P, Ricardi U, Garbossa D, Cofano F, Mantovani C, Bertero L. Understanding and Managing Pineal Parenchymal Tumors of Intermediate Differentiation: An In-Depth Exploration from Pathology to Adjuvant Therapies. J Clin Med 2024; 13:1266. [PMID: 38592098 PMCID: PMC10931940 DOI: 10.3390/jcm13051266] [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: 01/26/2024] [Revised: 02/16/2024] [Accepted: 02/21/2024] [Indexed: 04/10/2024] Open
Abstract
BACKGROUND Pineal parenchymal cell tumors constitute a rare group of primary central nervous system neoplasms (less than 1%). Their classification, especially the intermediate subtype (PPTIDs), remains challenging. METHODS A literature review was conducted, navigating through anatomo-pathological, radiotherapy, and neurosurgical dimensions, aiming for a holistic understanding of these tumors. RESULTS PPTIDs, occupying an intermediate spectrum of malignancy, reveal diverse histological patterns, mitotic activity, and distinct methylation profiles. Surgical treatment is the gold standard, but when limited to partial removal, radiotherapy becomes crucial. While surgical approaches are standardized, due to the low prevalence of the pathology and absence of randomized prospective studies, there are no shared guidelines about radiation treatment modalities. CONCLUSION Surgical removal remains pivotal, demanding a personalized approach based on the tumor extension. This review underscores the considerable variability in treatment approaches and reported survival rates within the existing literature, emphasizing the need for ongoing research to better define optimal therapeutic strategies and prognostic factors for PPTIDs, aiming for further and more detailed stratification among them.
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Affiliation(s)
- Andrea Bianconi
- Neurosurgery Unit, Department of Neuroscience, University of Turin, 10126 Turin, Italy
| | - Flavio Panico
- Neurosurgery Unit, Department of Neuroscience, University of Turin, 10126 Turin, Italy
| | - Bruna Lo Zito
- Radiation Oncology Unit, Department of Oncology, University of Turin, 10126 Turin, Italy
| | - Andrea Do Trinh
- Pathology Unit, Department of Medical Sciences, University of Turin, 10126 Turin, Italy
| | - Paola Cassoni
- Pathology Unit, Department of Medical Sciences, University of Turin, 10126 Turin, Italy
| | - Umberto Ricardi
- Radiation Oncology Unit, Department of Oncology, University of Turin, 10126 Turin, Italy
| | - Diego Garbossa
- Neurosurgery Unit, Department of Neuroscience, University of Turin, 10126 Turin, Italy
| | - Fabio Cofano
- Neurosurgery Unit, Department of Neuroscience, University of Turin, 10126 Turin, Italy
| | - Cristina Mantovani
- Radiation Oncology Unit, Department of Oncology, University of Turin, 10126 Turin, Italy
| | - Luca Bertero
- Pathology Unit, Department of Medical Sciences, University of Turin, 10126 Turin, Italy
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Huang LT, Zhou Q, Tong X. Treatment of Pineal Region Lesions in Children. J Craniofac Surg 2024; 35:e60-e66. [PMID: 37948620 DOI: 10.1097/scs.0000000000009846] [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: 08/28/2023] [Accepted: 10/01/2023] [Indexed: 11/12/2023] Open
Abstract
BACKGROUND Pineal region lesions are more common in children than adults; however, therapeutic strategies for pineal region lesions in children are controversial. METHODS A retrospective study involving 54 pediatric with pineal region lesions was conducted. The therapeutic strategies for lesions and hydrocephalus were classified and analyzed. RESULTS Radiotherapy of pineal region lesions was shown to result in better postoperative recovery and fewer complications in the short-term compared with lesion resection. Total resection was related to smaller lesion size, endoscopic procedures, and a better prognosis. Cerebrospinal fluid (CSF) diversion before the resection reduced hydrocephalus recurrences, whereas further lesion resection had a negative short-term influence on CSF diversion. Among the 4 therapeutic strategies to manage hydrocephalus, a third ventriculostomy (ETV) was reasonable and further resection did not have a negative impact on the ETV. The relief of hydrocephalus was also related to better postoperative recovery, a higher total resection rate, fewer complications, and a better prognosis. Logistical regression analysis indicated that lesion size and intracranial complications were predictors of outcome. CONCLUSIONS For lesion treatment, total resection and radiotherapy are essential components in children. Total resection and CSF diversion before resection were beneficial, whereas further lesion resection had a negative impact on CSF diversion. For hydrocephalus treatment, ETV was shown to be the best therapeutic strategy for management of pediatric hydrocephalus. Total resection and better preoperative health status were associated with greater hydrocephalus relief. For the overall prognosis, a lack of hydrocephalus relief was associated with poor outcomes. Lesion size and intracranial complications may be the best predictors of outcome.
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Affiliation(s)
- Li-Tian Huang
- Clinical College of Neurology, Neurosurgery and Neurorehabilitation, Tianjin Medical University, Tianjin
| | - Quan Zhou
- Department of Neurosurgery, The First Affiliated Hospital of Guangxi Medical University, No 6 Shuang Yong Road Nanning, Guangxi, Guangxi Province, China
| | - Xiaoguang Tong
- Clinical College of Neurology, Neurosurgery and Neurorehabilitation, Tianjin Medical University, Tianjin
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Narro-Donate JM, Guil-Ibañez JJ, Castelló-Ruiz MJ, García-Pérez F, Urreta-Juarez G, Masegosa-González J. Endoscopic extended transforaminal approach (medial subchoroid) as an alternative to the classical transchoroidal approach: Technical note. J Clin Neurosci 2023; 116:39-43. [PMID: 37611370 DOI: 10.1016/j.jocn.2023.08.015] [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: 05/29/2023] [Revised: 07/27/2023] [Accepted: 08/13/2023] [Indexed: 08/25/2023]
Abstract
The extended transforaminal endoscopic approaches allows visualization and manipulation of the middle and posterior third of the III ventricle. In selected cases where the venous anatomy is favorable, the medial subchoroidal approach can be performed as an alternative to the classic transchoroidal approach (via trans-taenia fornicis) with increased protection over the fornix and without the need to sacrifice the septal vein. We present a 14-year-old male with history of Neurofibromatosis type 1 referred for two weeks of clinical evolution with headache, dizziness, gait instability and appearance of a right VI nerve palsy. Magnetic resonance imaging showed obstructive tri-ventricular hydrocephalus due to stenosis of the aqueduct of Sylvius with suspicion of an underlying tumor. An endoscopic surgical procedure was performed through a single approach with III cisternostomy and resection of the tissue that produced the stenosis. The anatomopathological diagnosis showed reactive glial tissue with no signs of malignancy. In conclusion, the medial subchoroidal approach is a plausible alternative in the endoscopic approach to the III ventricle structures in a safe and comfortable manner.
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Tosi U, Guadix SW, Souweidane MM. Neuroendoscopy: The State of the Art. World Neurosurg 2023; 178:305-310. [PMID: 37803686 DOI: 10.1016/j.wneu.2023.07.125] [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: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 10/08/2023]
Abstract
Over the past century, neuroendoscopy developed into a mainstay of neurosurgical practice, allowing for minimally invasive approaches to the ventricles, skull base, and spine. Its development, however, is far from over. Current challenges are inherent in the very feature that renders neuroendoscopy appealing-the small channels of the modern endoscope allow surgery to be performed with minimal tissue retraction, but they also make hemostasis and resection of large masses difficult. New optics allow for significantly improved image quality; yet open craniotomy often allows for 3-dimensional visualization and bimanual dissection and is part of everyday neurosurgical training. Finally, the utilization of neuroendoscopy remains limited, presenting ongoing challenges for neurosurgical teaching and achievement of technical mastery.
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Affiliation(s)
- Umberto Tosi
- Department of Neurological Surgery, NewYork-Presbyterian Weill Cornell Medicine, New York, New York, USA
| | - Sergio W Guadix
- Department of Neurological Surgery, NewYork-Presbyterian Weill Cornell Medicine, New York, New York, USA
| | - Mark M Souweidane
- Department of Neurological Surgery, NewYork-Presbyterian Weill Cornell Medicine, New York, New York, USA.
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Datta A, Das KK, G KK, Jaiswal AK, Kumar R. Temporal profile of serum melatonin levels in paediatric pineal tumours subjected to surgery: newer insights. Childs Nerv Syst 2023; 39:2285-2292. [PMID: 36045301 DOI: 10.1007/s00381-022-05601-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 07/02/2022] [Indexed: 11/03/2022]
Abstract
INTRODUCTION Pineal tumours (PTs) are rare and histologically variable. Serum melatonin is a well-known product of this gland, albeit with uncertain clinical implications vis-à-vis its utility as a potential tumour marker. In particular, the temporal profile of serum melatonin during the disease course remains unclear and infrequently studied. METHODS Ten children with pineal tumours were prospectively studied over 2 years. Midnight serum melatonin levels were estimated before and after surgery (6-week postoperatively) and at the time of clinical-radiological progression. Different clinical, radiological, histological and treatment variables were correlated with the mean change in the pre- and postoperative serum melatonin levels using statistical methods. RESULTS Histopathologically, 5 of these cases (50%) were pineal cell tumours, while the rest were tumours of non-pineal cell origin. The mean preoperative serum melatonin level was 94.9 pg/ml (range 20-397 pg/ml), while the mean postoperative level was 69.6 pg/ml (range 45-156 pg/ml; in one case, the levels became non-detectable). Tumour histology (p = 0.04) and gender (p = 0.03) correlated with high preoperative serum levels. While the change in overall mean value did not have any statistical significance (effect size 0.29, p value 0.340), postoperative serum melatonin elevation was significant in tumours of non-pineal cell origin (large effect size 0.93, p value 0.004). CONCLUSION The serum melatonin may be affected by age, gender and symptom duration. However, the dynamic of serum melatonin in the perioperative period is largely dependent on the cell of origin of the PT.
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Affiliation(s)
- Aanchal Datta
- Department of Neurosurgery, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Uttar Pradesh, Lucknow, India
| | - Kuntal Kanti Das
- Department of Neurosurgery, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Uttar Pradesh, Lucknow, India
| | - Krishna Kumar G
- Department of Neurosurgery, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Uttar Pradesh, Lucknow, India
| | - Awadhesh Kumar Jaiswal
- Department of Neurosurgery, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Uttar Pradesh, Lucknow, India
| | - Raj Kumar
- Department of Neurosurgery, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Uttar Pradesh, Lucknow, India.
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Leone A, Colamaria A, Fochi NP, Di Napoli V, Blagia M, Sacco M, Winkler G, Spetzger U, Almerayed W, Carbone F. Concomitant, Single Burr Hole Endoscopic Third Ventriculostomy and Tumor Biopsy for Pineal Lesions: Feasibility, Safety, and Benefits. World Neurosurg 2023; 173:5-11. [PMID: 36764448 DOI: 10.1016/j.wneu.2023.01.082] [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: 11/04/2022] [Revised: 01/18/2023] [Accepted: 01/19/2023] [Indexed: 02/11/2023]
Abstract
Obtaining a prompt diagnosis, avoiding indwelling ventriculoperitoneal shunt, and enhancing the predictive value of pathologic examinations are only some of the advantages conferred by a simultaneous third ventriculostomy and tumor biopsy in patients with pineal region tumors. The objective of this study was to retrospectively search the literature on concomitant, single burr hole endoscopic third ventriculostomy (ETV) and tumor biopsy (TB) for pineal region tumors and to analyze the feasibility, surgical safety, and benefits of these 2 combined procedures. Consequently, a comprehensive, systematic literature search was performed in compliance with the updated PRISMA 2020 guidelines within electronic databases MEDLINE/PubMed, EMBASE, PLOS, and Cochrane Library. Statistical analysis was performed with IBM SPSS 28.0.1.1(14), using Kendall's and Spearman's tests, with a P < 0.05 considered significant. A total of 25 studies were selected and included in this review, for a total of 368 patients (mean age 20.6 years; range 1-86 years; SD 17.5). More than two-thirds of the procedures were operated with a rigid endoscope and 27.6% were performed with either a flexible endoscope, a combination of the 2, or not otherwise specified. Germinoma represented the most frequent diagnosis (20.1%) followed by astrocytoma (12.9%) and pineocytoma (9.9%). The single-entry approach allowed a correct histologic diagnosis in 88.7% of the examined cases. Summing up, concomitant ETV and TB represent a valuable option for the management of non-communicating hydrocephalus and the initial assessment of pineal region tumors. The histologic confirmation rate was 88.7% in the examined cohort, with only 10% of the biopsies yielding inconclusive results.
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Affiliation(s)
- Augusto Leone
- Department of Neurosurgery, Städtisches Klinikum Karlsruhe, Karlsruhe, Germany; Faculty of Human Medicine, Charité Universitätsmedizin Berlin, Berlin, Germany
| | | | | | | | - Maria Blagia
- Division of Neurosurgery, "Giovanni XXIII" Hospital, Bari, Italy
| | - Matteo Sacco
- Division of Neurosurgery, Policlinico "Riuniti", Foggia, Italy
| | - Gerd Winkler
- Department of Neurosurgery, Städtisches Klinikum Karlsruhe, Karlsruhe, Germany
| | - Uwe Spetzger
- Department of Neurosurgery, Städtisches Klinikum Karlsruhe, Karlsruhe, Germany
| | - Wessam Almerayed
- Department of Neurology, Klinikum Mittelbaden Rastatt, Rastatt, Germany
| | - Francesco Carbone
- Department of Neurosurgery, Städtisches Klinikum Karlsruhe, Karlsruhe, Germany; Division of Neurosurgery, University of Foggia, Foggia, Italy
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Bozkurt B, Mete Çevik O, Yayla A, Ersen Danyeli A, Ünal C, Özduman K, Güdük M, İmre Usseli M, Necmettin Pamir M. The parietooccipital interhemispheric transtentorial approach for pineal tumors. J Clin Neurosci 2023; 110:39-47. [PMID: 36791494 DOI: 10.1016/j.jocn.2022.12.017] [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: 11/06/2022] [Revised: 12/04/2022] [Accepted: 12/26/2022] [Indexed: 02/16/2023]
Abstract
Access to the pineal region has always been a challenge for neurosurgeons. The parietooccipital interhemispheric transtentorial approach is a slight variation of the traditional occipital transtentorial approach that provides adequate exposure to the lesions of the pineal region without introducing additional risks. In this study, the modified parietooccipital interhemispheric transtentorial approach is discussed including step-by-step anatomical cadaveric dissections and operative images. 27 adult patients (age > 18) who were operated over a 30-year period (1992-2022) by the senior author (M.N.P.) at two clinics, Marmara University, Department of Neurosurgery, Istanbul, Turkey and Acibadem Mehmet Ali Aydinlar University, Department of Neurosurgery, Istanbul, Turkey were analyzed. Only pineal region tumors were included in the analysis. Falcotentorial meningiomas and vascular lesions including cavernomas were excluded. 5 cadaveric specimens were dissected step by step following the surgical approach. Each step was documented using a Canon EOS 5D Mark II camera with Canon 100 mm Macro Lens. Step by step images of the dissections were presented including comparison with surgical images. Additional illustrations were used to describe the surgical corridor. The surgical corridor is maintained anterior to the parietooccipital sulcus along the medial of the precuneus. No retraction to the calcarine sulcus resulted in no postoperative hemianopsia. The neurovascular structures along the surgical corridor along with the nuances of the tentorium incision and splenium resection are discussed. The parietooccipital interhemispheric transtentorial approach provides a wide and safe corridor for surgical resection of pineal tumors.
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Affiliation(s)
- Baran Bozkurt
- Department of Neurosurgery, School of Medicine, Acibadem Mehmet Ali Aydınlar University, Istanbul, Turkey; Center of Advanced Simulation Ant Education(CASE) Neuroanatomy Laboratory, School of Medicine, Acıbadem Mehmet Ali Aydinlar University, Istanbul, Turkey
| | - Orhun Mete Çevik
- Center of Advanced Simulation Ant Education(CASE) Neuroanatomy Laboratory, School of Medicine, Acıbadem Mehmet Ali Aydinlar University, Istanbul, Turkey; Department of Neurosurgery, Afsin State Hospital, Kahramanmaras, Turkey
| | - Ali Yayla
- Department of Neurosurgery, School of Medicine, Acibadem Mehmet Ali Aydınlar University, Istanbul, Turkey; Center of Advanced Simulation Ant Education(CASE) Neuroanatomy Laboratory, School of Medicine, Acıbadem Mehmet Ali Aydinlar University, Istanbul, Turkey
| | - Ayca Ersen Danyeli
- Department of Pathology, School of Medicine, Acibadem Mehmet Ali Aydınlar University, Istanbul, Turkey
| | - Cansu Ünal
- Center of Advanced Simulation Ant Education(CASE) Neuroanatomy Laboratory, School of Medicine, Acıbadem Mehmet Ali Aydinlar University, Istanbul, Turkey; School of Medicine, Acibadem Mehmet Ali Aydınlar University, Istanbul, Turkey
| | - Koray Özduman
- Department of Neurosurgery, School of Medicine, Acibadem Mehmet Ali Aydınlar University, Istanbul, Turkey
| | - Mustafa Güdük
- Department of Neurosurgery, School of Medicine, Acibadem Mehmet Ali Aydınlar University, Istanbul, Turkey
| | - Murat İmre Usseli
- Department of Neurosurgery, School of Medicine, Acibadem Mehmet Ali Aydınlar University, Istanbul, Turkey
| | - M Necmettin Pamir
- Department of Neurosurgery, School of Medicine, Acibadem Mehmet Ali Aydınlar University, Istanbul, Turkey.
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Dhandapani S, Jani P, Sahoo SK. Single-entry two-stage rotational outside-in technique for simultaneous ventriculostomy and pineal region biopsy using traditional ventricular endoscope: technical note and comparative review. Childs Nerv Syst 2022; 38:627-631. [PMID: 34625817 DOI: 10.1007/s00381-021-05389-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 10/04/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Many methods are reported for simultaneous endoscopic 3rd ventriculostomy and posterior 3rd ventricular biopsy with their pros and cons. We describe a novel single-entry two-stage rotational outside-in technique using the common 6° ventriculoscope and contrast this with others. TECHNIQUE Using a single burr hole, at the line extended from aqueduct through the larger foramen of Monro in parasagittal imaging, the ventricular endoscope is first inserted with 6° angled view anteroinferior, the tip of endoscope sheath just beyond the anterior part of the foramen, and ventriculostomy performed using flexible catheter's beveled cut end and balloon in a curvilinear trajectory using peripheral visualization. Keeping camera in the same orientation, it is then rotated 180° having 6° angled view postero-inferior, endoscope sheath traversing the posterior part of the foramen close to the posterior 3rd ventricular target, and biopsy obtained with rigid forceps. This technique overcomes some of the limitations of other methods by exploiting the flexible catheters and the rotational advantage of the 6° angle of the traditional ventriculoscope. CONCLUSION Our single burr hole two-stage rotational technique for simultaneous third ventriculostomy and posterior third ventricular biopsy seems to be an excellent alternative to other methods which can be used with both traditional 6° and greater angled ventriculoscopes without any significant deterrent.
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Affiliation(s)
- Sivashanmugam Dhandapani
- Department of Neurosurgery, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, 160012, India.
| | - Parth Jani
- Department of Neurosurgery, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, 160012, India
| | - Sushant K Sahoo
- Department of Neurosurgery, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, 160012, India
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Seetahal-Maraj P, Knight P, Ramnarine N. A bi-foraminal craniometric-guided approach to endoscopic third ventriculostomy and biopsy of a pineal tumour. Surg Neurol Int 2021; 12:582. [PMID: 34992899 PMCID: PMC8720420 DOI: 10.25259/sni_977_2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 11/16/2021] [Indexed: 11/08/2022] Open
Abstract
Background: Pineal tumors are very rarely encountered, with an incidence of <1% of intracranial lesions in adults. Life-threatening hydrocephalus due to obstruction of the third ventricle can result from the location of these tumours. Endoscopic third ventriculostomy (ETV) and tumor biopsy is a safe and feasible strategy, particularly if the tumor appears benign. This mitigates the high risks of uncontrollable venous bleeding from open and stereotactic biopsies. While typically performed using either ipsilateral single or dual bur holes, the location of the tumor may require modifications to the standard endoscopic techniques. Case Description: A 55-year-old male presented with signs of intracranial hypertension and was found to have obstructive hydrocephalus due to a pineal tumour. The tumour displayed a right-sided dominance when the pre-operative imaging was assessed, which would risk forniceal injury if biopsied via a right-sided burr hole. Craniometric measurements revealed a superior trajectory to the tumour via the left foramen of Monro. A biforaminal approach was performed, with a traditional ETV using a right coronal bur hole and biopsy via a left frontal bur hole. This minimized forniceal stretching and allowed a safe biopsy. Conclusion: The bi-foraminal approach has not been widely described in the literature but can potentially avoid morbidity with biopsy in patients with right-sided pineal tumours. We believe this technique should be considered, particularly in low-resource settings where neuroendoscopy is not commonly done, and where the use of ipsilateral single or dual-bur holes may lead to forniceal injury.
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Molecular Pathology and Targeted Therapies for Personalized Management of Central Nervous System Germinoma. J Pers Med 2021; 11:jpm11070661. [PMID: 34357128 PMCID: PMC8306901 DOI: 10.3390/jpm11070661] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 07/05/2021] [Accepted: 07/10/2021] [Indexed: 12/19/2022] Open
Abstract
Intracranial germinomas are rare tumours, usually affecting male paediatric patients. They frequently develop in the pineal and suprasellar regions, causing endocrinological disturbances, visual deficits, and increased intracranial pressure. The diagnosis is established on magnetic resonance imaging (MRI), serum and cerebrospinal fluid (CSF) markers, and tumour stereotactic biopsy. Imaging techniques, such as susceptibility-weighted imaging (SWI), T2* (T2-star) gradient echo (GRE) or arterial spin labelling based perfusion-weighted MRI (ASL-PWI) facilitate the diagnosis. Germinomas are highly radiosensitive tumours, with survival rates >90% in the context of chemoradiotherapy. However, patients with resistant disease have limited therapeutic options and poor survival. The aim of this review is to highlight the genetic, epigenetic, and immunologic features, which could provide the basis for targeted therapy. Intracranial germinomas present genetic and epigenetic alterations (chromosomal aberrations, KIT, MAPK and PI3K pathways mutations, DNA hypomethylation, miRNA dysregulation) that may represent targets for therapy. Tyrosine kinase and mTOR inhibitors warrant further investigation in these cases. Immune markers, PD-1 (programmed cell death protein 1) and PD-L1 (programmed death-ligand 1), are expressed in germinomas, representing potential targets for immune checkpoint inhibitors. Resistant cases should benefit from a personalized management: genetic and immunological testing and enrolment in trials evaluating targeted therapies in intracranial germinomas.
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Efficacy and safety of flexible versus rigid endoscopic third ventriculostomy in pediatric and adult populations: a systematic review and meta-analysis. Neurosurg Rev 2021; 45:199-216. [PMID: 34173114 PMCID: PMC8827229 DOI: 10.1007/s10143-021-01590-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 05/13/2021] [Accepted: 06/14/2021] [Indexed: 11/08/2022]
Abstract
Endoscopic third ventriculostomy (ETV) is a well-established surgical procedure for hydrocephalus treatment, but there is sparse evidence on the optimal choice between flexible and rigid approaches. A meta-analysis was conducted to compare efficacy and safety profiles of both techniques in pediatrics and adults. A comprehensive search was conducted on PubMED, EMBASE, and Cochrane until 11/10/2019. Efficacy was evaluated comparing incidence of ETV failure, while safety was defined by the incidence of perioperative complications, intraoperative bleedings, and deaths. Random-effects models were used to pool the incidence. Out of 1365 studies, 46 case series were meta-analyzed, yielding 821 patients who underwent flexible ETV and 2918 who underwent rigid ETV, with an age range of [5 days–87 years]. Although flexible ETV had a higher incidence of failure in adults (flexible: 54%, 95%CI: 22–82% vs rigid: 20%, 95%CI: 22–82%) possibly due to confounding due to etiology in adults treated with flexible, a smaller difference was seen in pediatrics (flexible: 36%, pediatric: 32%). Safety profiles were acceptable for both techniques, with a certain degree of variability for complications (flexible 2%, rigid 18%) and death (flexible 1%, rigid 3%) in pediatrics as well as complications (rigid 9%, flexible 13%), death (flexible 4%, rigid 6%) and intra-operative bleeding events (rigid 6%, flexible 8%) in adults. No clear superiority in efficacy could be depicted between flexible and rigid ETV for hydrocephalus treatment. Safety profiles varied by age but were acceptable for both techniques. Well-designed comparative studies are needed to assess the optimal endoscopic treatment option for hydrocephalus.
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Schonauer C, Jannelli G, Tessitore E, May AT, Guatta R, Bartoli A. Endoscopic resection of a low-grade ependymoma of the pineal region. Surg Neurol Int 2021; 12:279. [PMID: 34221610 PMCID: PMC8248020 DOI: 10.25259/sni_250_2021] [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: 03/11/2021] [Accepted: 05/08/2021] [Indexed: 11/04/2022] Open
Abstract
Background Full endoscopic resection of solid brain tumors represents a challenge for neurosurgeons. This can be achieved with modern technology and advanced surgical tools. Case Description A 23-years-old male was referred to our unit with raised intracranial pressure. Head computed tomography and magnetic resonance imaging (MRI) revealed obstructive hydrocephalus and a third ventricle lesion. Endoscopic third ventriculostomy and biopsy were performed, a left frontal external ventricular drain was left in place. A second-look surgery for endoscopic removal was planned. Decision to proceed with an endoscopic removal was supported by the following characteristics found during the first surgery: tumor exophytic, soft texture, scarce vascularity, and low-grade appearance. A rescue strategy for microscopic resection via transcallosal approach was decided. A straight trajectory to the tumor was planned with navigation. A further anterior left frontal burr-hole was performed, and the ventricular system was entered via the left frontal horn. Resection was carried out alternating laser for hemostasis and cutting, endoscopic ultrasonic aspirator, and endoscopic forceps for piecemeal resection. Laser hemostasis and cutting (1 Watt power at tip, continuous wave mode) were useful at the ventricular wall-tumor interface. Relevant landmarks guided the approach and the resection (foramen of Monro, mammillary bodies, aqueduct, pineal and suprapineal recess, and posterior commissure). The surgery was carried uneventfully. Histopathology confirmed a lowgrade ependymoma. Post-operative MRI showed residual tumor within the lower aqueduct. At 3 years follow-up, residual tumor is stable. Conclusion In selected cases, endoscopic resection for third ventricular tumors is feasible and safe, and represents a valid alternative to microsurgical approaches.
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Affiliation(s)
| | - Gianpaolo Jannelli
- Department of Neurosurgery, Geneva University Hospitals, Geneva, Switzerland
| | - Enrico Tessitore
- Department of Neurosurgery, Geneva University Hospitals, Geneva, Switzerland
| | - Adrien Thomas May
- Department of Neurosurgery, Geneva University Hospitals, Geneva, Switzerland
| | - Ramona Guatta
- Neurosurgical Unit, Lugano Regional Hospital Civico and Italian Sites, Lugano, Switzerland
| | - Andrea Bartoli
- Department of Neurosurgery, Geneva University Hospitals, Geneva, Switzerland
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Pineal Gland Tumors: A Review. Cancers (Basel) 2021; 13:cancers13071547. [PMID: 33801639 PMCID: PMC8036741 DOI: 10.3390/cancers13071547] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 03/24/2021] [Accepted: 03/26/2021] [Indexed: 12/12/2022] Open
Abstract
Simple Summary Pineal neoplasms are tumors with different and variable morphological, histological, and radiological characteristics and, consequently different diagnosis and management. Due to their rarity, pineal tumors may be misdiagnosed. Pineal tumors, are divided into germ cell tumors, pineal parenchymal tumors and tumors that derive from adjacent structures. In this review, we report the clinical relevance of the main pineal gland tumors, underlining the importance of studying the triggering causes of pineal region carcinogenesis, to realize appropriate diagnosis and, consequently, better clinical management. Abstract The pineal gland is a small, pinecone-shaped endocrine gland that participates in the biological rhythm regulation of vertebrates. The recognized major product of the pineal gland is melatonin—a multifunctional endogenous indoleamine. Accumulating evidence suggests that the pineal gland is important for preserving ideal health conditions in vertebrate. Tumors of the pineal region account for approximately 3–11% of pediatric brain neoplasms but fewer than 1% of brain neoplasms in adults. It is fundamental to expand advanced imaging techniques together with both clinical and laboratory knowledge, to help to differentiate among pineal neoplasms and thus facilitate accurate primary diagnoses and proper therapeutic interventions. In this review, we report the gross anatomy of the pineal gland and its functional significance and discuss the clinical relevance of pineal gland tumors, underlining the importance of identifying the leading causes of pineal region masses.
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Lateral Temporal Approach for Image-Guided Stereotactic Biopsy of Pineal Region Tumors. World Neurosurg 2020; 147:144-149. [PMID: 33307256 DOI: 10.1016/j.wneu.2020.11.128] [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: 10/02/2020] [Revised: 11/22/2020] [Accepted: 11/23/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Biopsy of pineal region neoplasms is frequently accomplished by way of endoscopic transventricular access or using an image-guided, computer-assisted stereotactic approach. METHODS We evaluated a nonorthogonal lateral temporal approach for stereotactic biopsy of pineal region tumors as a variation of previously described stereotactic methods. Magnetic resonance imaging-guided frameless stereotaxy was used to plan and perform biopsies of pineal region tumors using a nonorthogonal trajectory extending from the superior or middle temporal gyri through the temporal stem, anterior to the atrium of the lateral ventricle, and posterior to the corticospinal tract. RESULTS All patients had an uncomplicated postoperative course and remained at neurologic baseline. No parenchymal or ventricular hemorrhage was present on postoperative scans. A tissue diagnosis was obtained in all patients. CONCLUSIONS This method appears to be a safe alternative to stereotactic biopsy using other trajectories and provides adequate tissue for definitive diagnosis.
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Cheng G, Yu X, Zhao H, Cao W, Li H, Li Q, Li Z, Yin F, Liu R, Zhang J. Complications of stereotactic biopsy of lesions in the sellar region, pineal gland, and brainstem: A retrospective, single-center study. Medicine (Baltimore) 2020; 99:e18572. [PMID: 32080071 PMCID: PMC7034708 DOI: 10.1097/md.0000000000018572] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Stereotactic biopsy (STB) is commonly used in the pathological diagnosis of intracranial lesions. The associated complication and mortality rates are low, but few reports with large sample sizes have assessed the complications of STB for lesions in the brain midline.To evaluate the complications of STB of lesions in the sellar region, pineal region, and brainstem.This was a retrospective analysis of patients who underwent STB of lesions in the sellar region, pineal region, and brainstem at the Neurosurgery Department, Sixth Medical Center, PLA General Hospital, China, between January 2015 and December 2017. The rates of and possible reasons for surgical complications (including bleeding) and mortality were analyzed.A total of 145 patients underwent STB of midline brain lesions, including 16 (11.0%) in the sellar region, 18 (12.4%) in the pineal region, and 111 (76.6%) in the brainstem. Successful biopsy of the sellar region, pineal region, and brainstem was achieved in 16/16 (100%), 18/18 (100%), and 107/111 (96.4%) patients, respectively. There were no complications following STB of lesion in the sellar or pineal regions. Complications occurred in 17/111 patients (15.3%) during/after brainstem biopsy, three of whom died (2.7%). The main clinical manifestations were facioplegia, facial pain, changes in blood pressure and heart rate, and difficulty breathing.STB of lesions in the sellar region, pineal region, and brainstem had a high success rate, but mortality was 2.7%. The occurrence of complications (15.3%) was closely related to the anatomical and functional characteristics of the region biopsied.
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Samadian M, Maloumeh EN, Shiravand S, Ebrahimzadeh K, Sharifi G, Mousavinejad A, Rezaei O. Pineal region tumors: Long-term results of endoscopic third ventriculostomy and concurrent tumor biopsy with a single entry approach in a series of 64 cases. Clin Neurol Neurosurg 2019; 184:105418. [PMID: 31319237 DOI: 10.1016/j.clineuro.2019.105418] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 07/04/2019] [Accepted: 07/06/2019] [Indexed: 11/30/2022]
Abstract
OBJECTIVES Endoscopic third ventriculostomy and concurrent biopsy is increasingly used in management of the pineal region tumors. Our objective was to assess the results of single entry approach to surgically manage the tumors of the pineal region. PATIENTS AND METHODS A retrospective study was designed, and a series of 64 consecutive patients (31 male, 33 female) with pineal region tumor undergoing endoscopic third ventriculostomy and concurrent biopsy of the tumor was undertaken. RESULTS A total of 64 patients underwent simultaneous endoscopic third ventriculostomy and biopsy of the pineal tumors with a single entry approach. A positive initial diagnosis was established in 97% of patients. 5 patients (7%) required the insertion of an external ventricular drain which was removed in all patients after 72 h but in one case (1%) undergoing permanent VP shunt insertion. The postoperative complications were divided into two transient and permanent complications. The transient complications included intraventricular hemorrhage (18%), seizure (1 to two episodes of seizure) (5%), diabetes insipidus (3%) and meningitis (3%) all were successfully managed. The only permanent complication was memory deficits occurred in one patient (1%). There was no mortality rate in current study. CONCLUSION The results of this study support the safety and efficacy of endoscopic third ventriculostomy and concurrent biopsy of the pineal region tumors as a less invasive surgical method associated with low morbidity and mortality rate. Our data demonstrated how simultaneous endoscopic third ventriculostomy and biopsy of the pineal region tumors with a single entry approach can produce favorable results.
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Affiliation(s)
- Mohammad Samadian
- Skull Base Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Ehsan Nazari Maloumeh
- Skull Base Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Sepideh Shiravand
- Skull Base Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Kaveh Ebrahimzadeh
- Skull Base Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Guive Sharifi
- Skull Base Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Ali Mousavinejad
- Skull Base Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Omidvar Rezaei
- Skull Base Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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An anatomical study of the foramen of Monro: implications in management of pineal tumors presenting with hydrocephalus. Acta Neurochir (Wien) 2019; 161:975-983. [PMID: 30953154 DOI: 10.1007/s00701-019-03887-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 03/20/2019] [Indexed: 10/27/2022]
Abstract
BACKGROUND For pineal tumors presenting with hydrocephalus, simultaneous endoscopic third ventriculostomy (ETV) and tumor biopsy is commonly used as the initial step in management. To analyze the restriction which the foramen of Monro poses to this procedure, one must start with a detailed description of the microsurgical anatomy of the foramen in living subjects. However, the orientation and shape of the foramen of Monro make this description difficult with conventional imaging techniques. METHOD Virtual reality technology was applied on MRIs on living subject without hydrocephalus, as well as patients with hydrocephalus, to generate precise anatomical models with sub-millimeter accuracy. The morphometry of the foramen of Monro was studied in each group. In addition, displacement of the margins of the foramen was studied in detail for simultaneous ETV and pineal tumor biopsy through a single burr hole. RESULTS In 30 normal subjects, the foramen of Monro had oval-shaped openings averaging 5.23 mm2. The foramen was larger in people above age 55 (p = 0.007) and on the left side compared to the right (p = 0.002). For patients with clinical presentation of hydrocephalus, the average opening was 32.6 mm2. Simulated single burr hole simultaneous ETV and pineal tumor biopsy was performed in 10 specimens. Average displacement of the posterior and anterior margins of the foramen was 5.71 mm and 5.76 mm, respectively. However, maximum displacement reached 9.3 mm posteriorly and 10 mm anteriorly. CONCLUSIONS The foramen of Monro is an oval-shaped cylinder that changes in size and orientation in the hydrocephalic patient. If universally applied to all patients regardless of foramen and tumor size, ETV/biopsy can displace structures around the Foramen of Monro up to 1 cm, which can potentially lead to neurological damage. Careful pre-operative assessment is critical to determine if a single burr hole approach is safe.
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Abstract
Background: The pineal gland, a small, pinecone-shaped organ deep within the brain, is responsible for producing melatonin. The gland consists of pineal parenchymal cells and glial cells that can form neoplasms. Pineal region neoplasms can also arise from germ cells and adjacent structures. This review focuses on detection of serum and cerebrospinal fluid (CSF) biomarkers of germ cell tumors and pineal parenchymal cell tumors, as these types comprise most neoplasms specific to the pineal region. Methods: For this review, we searched PubMed using the following keywords: biomarkers, germ cell tumor, germinoma, melatonin, pineal, pineal gland, pineal neoplasm, pinealoma, pineal parenchymal cell tumor, pineal region, and pineal tumor. We limited our search to full-text English articles and identified other relevant sources from the reference lists of identified articles. Results: Serum and CSF biomarker assays have a role in cases of suspected pineal germ cell or parenchymal neoplasms. Biomarkers including alpha-fetoprotein, beta-human chorionic gonadotropin, and placental alkaline phosphatase inform diagnosis and treatment and are important for monitoring germ cell tumor response to treatment. No biomarkers are currently available that inform diagnosis or treatment of pineal parenchymal tumors, although melatonin assays may have a role in monitoring response to treatment. Conclusion: Serum and CSF biomarkers in conjunction with clinical and radiographic evidence of a pineal region mass can inform the decision whether to undertake stereotactic biopsy or surgical excision or whether to proceed straight to medical treatment.
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Hogan E, Almira-Suarez I, Li S, Collins SP, Jean WC. Clinical Management of Prostate Cancer Metastasis to Pineal Gland: Case Report and Review of Literature. World Neurosurg 2018; 122:464-468. [PMID: 30476672 DOI: 10.1016/j.wneu.2018.11.111] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 11/12/2018] [Accepted: 11/13/2018] [Indexed: 11/26/2022]
Abstract
BACKGROUND Prostate cancer is the most common cancer among American men, with an incidence of approximately 233,000 cases per year. Intracranial metastases are rare and, specifically, metastasis to the pineal gland has only been reported in 2 postmortem cases in the literature. CASE DESCRIPTION We present the first documented case of confirmed prostate cancer metastasis to the pineal gland in a living patient. The patient underwent an endoscopic third ventriculostomy and pineal lesion biopsy with complete resolution of his hydrocephalus and presenting symptoms. His biopsy results confirmed the prostate origin of the metastasis, and he subsequently underwent stereotactic radiosurgery for treatment of this lesion. CONCLUSIONS This is the first report of the clinical management of metastatic prostate cancer to the pineal region and description of the clinical outcome. Although prostate cancer is the most common cancer in American men, metastasis to the pineal has only been reported twice from autopsy examinations. Overall, pineal tumors in the geriatric population are exceedingly rare and the age and comorbidities in this patient made management quite unique.
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Affiliation(s)
- Elizabeth Hogan
- Department of Neurological Surgery, George Washington University, Washington, D.C., USA
| | - Isabel Almira-Suarez
- Department of Pathology, Children's National Medical Center, Washington, D.C., USA
| | - Siyuan Li
- Department of Radiation Medicine, Georgetown University, Washington, D.C., USA
| | - Sean P Collins
- Department of Radiation Medicine, Georgetown University, Washington, D.C., USA
| | - Walter C Jean
- Department of Neurological Surgery, George Washington University, Washington, D.C., USA.
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