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Messerer R, Aldugman M, Morgado A, Barrey C. Spinal extradural arachnoid cysts: a rare entity and review of the literature. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2024; 33:872-880. [PMID: 38063861 DOI: 10.1007/s00586-023-08057-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 09/30/2023] [Accepted: 11/18/2023] [Indexed: 03/19/2024]
Abstract
OBJECTIVE Spinal extradural arachnoid cysts (SEDC) are rare primary spinal lesions, accounting for less than 1% of all spinal epidural lesions. The literature contains only case reports of this pathology, and treatment remains controversial due to its rarity. Major reported SEDC cases are caused by leaking out of cerebrospinal fluid through a dural defect in the thecal sac forming an extradural cyst. Other reports describe non-communicating SEDC cases where the dural defect was not identified. We report a literature review on SEDC and the case of a 53 year‑old female who presented with type IA extradural cyst with subarachnoid space communication. METHODS Literature review, preoperative imaging and surgical technique. RESULTS The extradural cyst was excised completely and the dural defect was repaired. After surgical decompression, neurological symptoms gradually recovered. CONCLUSIONS The extradural arachnoid cyst is an uncommon entity. Preoperative imaging is one of the determining elements in orienting the therapeutic management of the SEDCs. The choice of the surgical technique must be the least invasive in order to avoid postoperative complications. Subtotal or complete excision of the cyst, followed by obliteration of the communication stalk and repair of the dural defect is the gold standard treatment.
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Affiliation(s)
- Rostom Messerer
- Department of Neurosurgery, Hôpital Pierre Wertheimer, Hospices Civils de Lyon, Lyon, France.
- Department of Neurosurgery, Annecy Genevois Hospital, Epagny Metz-Tessy, France.
| | - Mohammed Aldugman
- Department of Neurosurgery, Hôpital Pierre Wertheimer, Hospices Civils de Lyon, Lyon, France
| | - Alexis Morgado
- Department of Neurosurgery, Hôpital Pierre Wertheimer, Hospices Civils de Lyon, Lyon, France
| | - Cédric Barrey
- Department of Neurosurgery, Hôpital Pierre Wertheimer, Hospices Civils de Lyon, Lyon, France
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Wang G, Shen H, Chu Z, Shen J, Zhu KC. Benign cervical intramedullary cyst without an epithelial lining:a case report. Br J Neurosurg 2023; 37:1664-1666. [PMID: 34009086 DOI: 10.1080/02688697.2021.1927983] [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: 09/24/2020] [Accepted: 05/06/2021] [Indexed: 10/21/2022]
Abstract
This paper presents a female, benign intramedullary cyst case aged 66-year-old. During the operation, it was found that the cystic wall was very thin, and the cystic fluid was colorless and transparent. The lesion with the capsule was removed partially. Surprisingly, there was no epithelial lining on the capsule wall. It is very rare and different from the benign intramedullary cysts reported in the literature.
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Affiliation(s)
- GengHuan Wang
- Neurosurgery, The Second Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - HePing Shen
- Neurology, The Second Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - ZhengMin Chu
- Neurosurgery, The Second Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - JianGuo Shen
- Neurosurgery, The Second Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Kun Can Zhu
- Neurosurgery, The Second Affiliated Hospital of Jiaxing University, Jiaxing, China
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Joseph J, Raju KP, Jonathan E, Makkina C. Spinal Arachnoid Cyst Analysis of Surgical Experience in a Single Tertiary Care Centre and Review of Literature. World Neurosurg 2023; 178:e731-e740. [PMID: 37544604 DOI: 10.1016/j.wneu.2023.07.151] [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: 04/15/2023] [Revised: 07/30/2023] [Accepted: 07/31/2023] [Indexed: 08/08/2023]
Abstract
OBJECTIVE To study patients with spinal arachnoid cysts, who underwent cyst excision with dural defect repair or marsupialization, and their outcomes. METHODS The retrospective analysis involved reviewing the records of 38 patients who underwent surgical treatment for spinal arachnoid cysts in the Department of Neurosurgery at Christian Medical College, Vellore, between August 2004 and December 2022. The study examined the demographics, clinical presentation, imaging, surgical intervention, and outcomes of these patients. RESULTS The majority of patients in the study were male (29/38, with 76.3%) and the thoracic region was the most common location for the cyst (17, with 44.7%). Weakness was the primary complaint and 94.7% of patients had myelopathy. The bladder was affected in 13 patients (34.2%). Of the 38 patients, 26 (71%) had cysts in extradural locations, while the rest were intradural. In total, 45.5% of intradural cysts were located in the ventral region. Seventeen (65.4%) had dural defects along the root sleeve and 29 (76.3%) underwent complete excision. All extradural cysts underwent complete excision and repair of the dural defect. Thirty patients (78.9%) experienced improved outcomes with reduced spasticity and improved weakness. One patient developed new-onset weakness postoperatively due to epidural hematoma. The mean follow-up period was 41 months and one patient experienced a recurrence. CONCLUSIONS Spinal arachnoid cyst is a rare benign spinal condition that is typically treated with surgery in symptomatic patients. Surgical intervention may involve either the excision of the cyst or marsupialization.
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Affiliation(s)
- Jeena Joseph
- Department of Neurological Sciences, Christian Medical College, Vellore, India
| | - Krishna Prabhu Raju
- Department of Neurological Sciences, Christian Medical College, Vellore, India.
| | - Edmond Jonathan
- Department of Neurological Sciences, Christian Medical College, Vellore, India
| | - Charan Makkina
- Department of Neurological Sciences, Christian Medical College, Vellore, India
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Scalia G, Costanzo R, Silven MP, Iacopino DG, Nicoletti GF, Galvano G, Umana GE. Case of incidental thoracic spinal dumbbell hemorrhagic arachnoid cyst and tentorial metastasis from breast carcinoma. Surg Neurol Int 2023; 14:50. [PMID: 36895243 PMCID: PMC9990811 DOI: 10.25259/sni_66_2023] [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: 01/19/2023] [Accepted: 01/28/2023] [Indexed: 02/12/2023] Open
Abstract
Background Spinal arachnoid cysts (SACs) in adults are typically acquired dural defects following trauma, inflammation, or infection. Brain metastases from breast cancer account for 5-12% of all CNS metastases and are mostly leptomeningeal. Here, the authors reported a 50-year-old female treated for a tentorial metastasis from breast carcinoma that underwent chemotherapy and radiotherapy. Three months later, she presented with a thoracic spinal extradural dumbbell hemorrhagic arachnoid cyst. Case Description A 50-year-old female underwent a left retrosigmoid suboccipital craniectomy for microsurgical removal of a tentorial metastasis attributed to poorly differentiated breast carcinoma (i.e., comedonic pattern). The patient subsequently underwent both chemotherapy and radiotherapy for accompanying bony metastases. Three months later, she experienced the onset of severe posterior thoracic pain. When the thoracic magnetic resonance imaging revealed a hyperintense "dumbbell" extradural T10-T11 lesion, she underwent a T10-T11 laminectomy for marsupialization and excision of the hemorrhagic lesion. The histological examination revealed blood and arachnoid tissue within a benign SAC, without accompanying tumor. Her postoperative course was uneventful, and she was discharged on postoperative day 3. Conclusion A 50-year-old female underwent a left retrosigmoid suboccipital craniectomy for removal of a tentorial metastasis from breast carcinoma, followed by radiation/chemotherapy. Three months later, she hemorrhaged into an MR-documented T10-T11 dumbell extradural SAC that was successfully treated with laminectomy, marsupialization, and excision.
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Affiliation(s)
- Gianluca Scalia
- Department of Head and Neck Surgery, Neurosurgery Unit, Garibaldi Hospital, Catania, Italy
| | - Roberta Costanzo
- Neurosurgical Clinic, AOUP "Paolo Giaccone," Post Graduate Residency Program in Neurologic Surgery, Department of Biomedicine Neurosciences and Advanced Diagnostics, School of Medicine, University of Palermo, Palermo, Italy
| | - Manikon Poullay Silven
- Neurosurgical Clinic, AOUP "Paolo Giaccone," Post Graduate Residency Program in Neurologic Surgery, Department of Biomedicine Neurosciences and Advanced Diagnostics, School of Medicine, University of Palermo, Palermo, Italy
| | - Domenico Gerardo Iacopino
- Neurosurgical Clinic, AOUP "Paolo Giaccone," Post Graduate Residency Program in Neurologic Surgery, Department of Biomedicine Neurosciences and Advanced Diagnostics, School of Medicine, University of Palermo, Palermo, Italy
| | | | - Gianluca Galvano
- Department of Diagnostic Imaging, Interventional Radiology and Neuroradiology, Garibaldi Hospital, Catania, Italy
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Mastantuoni C, Pizzuti V, Ricciardi F, D’Elia A, Leonetti S, Colonnese C, Innocenzi G. Cervical spine arachnoid cyst complicated by spontaneous intracystic hemorrhage: Case report and review of the literature. Surg Neurol Int 2022; 13:427. [PMID: 36324927 PMCID: PMC9610042 DOI: 10.25259/sni_343_2022] [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: 04/11/2022] [Accepted: 04/20/2022] [Indexed: 11/10/2022] Open
Abstract
Background: Spinal intradural extramedullary arachnoid cysts represent about 1–3% of all primary spinal space-occupying lesions often causing spinal cord and/or radicular nerve compression. Spontaneous intralesional hemorrhages are extremely rare and are typically found within intracranial arachnoid cysts. Here, a 55-year-old female presented with a spontaneous hemorrhage into a cervical spine arachnoid cyst warranting surgical intervention (i.e., fenestration/excision/occlusion). Case Description: A 55-year-old female presented with 3 weeks of dull pain in the cervicothoracic region. She subsequently developed paresthesias and progressive lower extremity weakness with (urinary incontinence. The cervical magnetic resonance revealed a right anterolateral intradural extramedullary “cystic” lesion extending from C7 to T2; it contained a heterogeneous signalon T2W sequences, and a fluid-fluid level was documented on the T2-GRE and FLAIR sequences. At surgery, consisting of a laminectomy, two hemorrhagic cystic lesions were identified and removed. Histological findings were consistent with hemorrhagic into an arachnoid cyst. Conclusion: Only rarely hemorrhages develop in intraspinal intradural extramedullary spinal arachnoid cysts.
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Affiliation(s)
- Ciro Mastantuoni
- Department of Neuroscience and Reproductive and Dental Sciences, Division of Neurosurgery, Azienda Ospedaliera Universitaria Federico II, Naples Napoli, Italy
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Chatain GP, Shrestha K, Kortz MW, Serva S, Hosokawa P, Ward RC, Sethi A, Finn M. Impact of Surgical Timing on Neurological Outcomes for Spinal Arachnoid Cyst: A Single Institution Series. Neurospine 2022; 19:453-462. [PMID: 35793936 PMCID: PMC9260545 DOI: 10.14245/ns.2244130.065] [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: 02/04/2022] [Accepted: 05/14/2022] [Indexed: 11/19/2022] Open
Abstract
Objective Spinal arachnoid cysts (SACs) are rare lesions that often present with back pain and myelopathy. There is a paucity of literature evaluating the impact of surgical timing on neurological outcomes for primary SAC management. To compare long-term neurological outcomes in patients who were managed differently and to understand natural progression of SAC.
Methods We conducted a retrospective analysis of adult patients treated for SAC at our institution from 2010 to 2021, stratified into 3 groups (conservative management only, surgical management, or conservative followed by surgical management). Study outcome measures were neurological outcomes as measured by modified McCormick Neurologic Scale (MNS), postoperative complications, and cyst recurrence. Nonparametric analysis was performed to evaluate differences between groups for selected endpoints.
Results Thirty-six patients with SAC were identified. Eighteen patients were managed surgically. The remaining 18 patients were managed conservatively with outpatient serial imaging, 7 of whom (38.9%) ultimately underwent surgical treatment due to neurological decline. Most common presenting symptoms included back pain (50.0%), extremity weakness (36.1%), and numbness/paresthesia (36.1%). Initial/preoperative (p = 0.017) and 1-year postoperative (p = 0.006) MNS were significantly different between the 3 groups, but not at 6 weeks or 6 months postoperatively (p > 0.05). Additionally, at 1 year, there was no difference in MNS between patients managed surgically and those managed conservatively but ultimately underwent surgery (p > 0.99).
Conclusion Delayed surgical intervention in minimally symptomatic patients does not seem to result in worse long-term neurofunctional outcomes. At 1 year, postoperative MNS were significantly higher in both surgical groups, when compared to the conservative group highlighting worsening clinical picture regardless of preoperative observational status.
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Affiliation(s)
- Grégoire P. Chatain
- Department of Neurosurgery, University of Colorado School of Medicine, Aurora, CO, USA
- Corresponding Author Grégoire P. Chatain Department of Neurosurgery, University of Colorado School of Medicine, 12605 E 16th Ave, Aurora, CO 80045, USA
| | - Keshari Shrestha
- Department of Neurosurgery, University of Colorado School of Medicine, Aurora, CO, USA
| | - Michael W. Kortz
- Department of Neurosurgery, University of Colorado School of Medicine, Aurora, CO, USA
| | - Stephanie Serva
- Department of Neurosurgery, University of Colorado School of Medicine, Aurora, CO, USA
| | - Patrick Hosokawa
- Adult and Child Center for Health Outcomes Research and Delivery Science (ACCORDS), University of Colorado, Aurora, CO, USA
| | - Ryan C. Ward
- Department of Neurosurgery, University of Colorado School of Medicine, Aurora, CO, USA
| | - Akal Sethi
- Department of Neurosurgery, University of Colorado School of Medicine, Aurora, CO, USA
| | - Michael Finn
- Department of Neurosurgery, University of Colorado School of Medicine, Aurora, CO, USA
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Baig Mirza A, Bartram J, Sinha S, Gebreyohanes A, Boardman T, Vastani A, Dyson E, Lavrador JP, Russo V, Choi D, Vasan AK, Grahovac G. Surgical management and outcomes in spinal intradural arachnoid cysts: the experience from two tertiary neurosurgical centres. Acta Neurochir (Wien) 2022; 164:1217-1228. [PMID: 34705099 DOI: 10.1007/s00701-021-05027-3] [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: 09/05/2021] [Accepted: 10/09/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE Evaluation of the presentation and outcomes of different surgical treatment approaches for spinal intradural arachnoid cysts (SIAC). METHODS Cases were identified from electronic records of two major neurosurgical centres in London over the last 10 years (October 2009-October 2019) that have been surgically treated in both institutions. Clinical findings, surgical technique, and recurrence by procedure were statistically analysed. Statistical analysis was performed with STATA 13.1 Software. RESULTS A total of 42 patients with SIAC were identified for this study with a mean age at the time of surgery of 53.6 years and a male:female ratio of 8:13. There were 31 patients with primary SIACs and 11 with secondary SIACs. The most common presenting symptom was paraesthesia (n = 27). The most common location of the cyst was in the thoracic region (n = 33). Syrinx was present in 26.2% of SIACs (n = 11). Resection was associated with significantly better postoperative pain compared to other surgical techniques (p = 0.01), significantly poorer postoperative urinary function (p = 0.029), and lower rates of sensory recovery in patients who presented preoperatively with sensory deficit (p = 0.041). No significant difference was seen in symptomatic outcomes between patients with primary and secondary SIACs. CONCLUSION Resection and drainage are both effective methods of managing SIACs. In this observational study, resection was associated with significantly reduced pain postoperatively when compared with drainage, however also with significantly less improvement in postoperative urinary function. Therefore, resection should be the gold standard management option for SIACs, with drainage as an option where resection is unsafe, and drainage should also be considered in patients presenting with urinary dysfunction.
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Ordaz JD, Huh A, Desai V, Raskin JS. Iatrogenic Spinal Deformity Following Spinal Intradural Arachnoid Cyst Fenestration Despite Minimal Access With Laminoplasty and Endoscopy in a Pediatric Patient. Cureus 2022; 14:e22053. [PMID: 35295352 PMCID: PMC8916916 DOI: 10.7759/cureus.22053] [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] [Accepted: 02/09/2022] [Indexed: 11/22/2022] Open
Abstract
Spinal intradural arachnoid cysts (SAC) are non-neoplastic lesions that can cause spinal cord compression and present with myelopathy, radiculopathy, and/or back pain. Because these cysts typically span multiple levels, endoscopy could be a useful tool to avoid wide exposure. We present an 8-year-old patient with a history of gait imbalance and urinary incontinence who was found to have a SAC spanning C7 to T6 causing spinal cord compression. An osteoplastic laminoplasty was performed from T4 to T7 followed by ultrasonic verification of intracystic septations, dural opening, and cyst fenestration. A flexible endoscope was then introduced into the cystic cavity to guide complete rostral and caudal decompression of the arachnoid cyst. At six months follow-up, the patient was able to ambulate independently, but his urinary incontinence remained unchanged. Despite the combination of ultrasound and neuroendoscopy to minimize exposure, our patient suffered from worsening kyphosis from 36 degrees preoperative to 55 degrees postoperative and worsening scoliosis from 17 to 39 degrees which required treatment with a thoracolumbar sacral orthosis. Preoperative imaging demonstrated a reverse S-shaped scoliosis with the apex at T6 and T7 which were the levels included in the laminoplasty. This illustrates the need for careful preoperative risk stratification to avoid this postoperative complication.
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Raes K, Oostra KM. Correlation of Spinal Cord Injury With Development Of Spinal Arachnoid Cysts: Two Case Reports. JOURNAL OF REHABILITATION MEDICINE - CLINICAL COMMUNICATIONS 2021; 4:1000066. [PMID: 34760061 PMCID: PMC8491323 DOI: 10.2340/20030711-1000066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 06/21/2021] [Indexed: 11/24/2022]
Abstract
Background Spinal arachnoid cysts are rare entities, which are composed of a duplication in the arachnoid membrane and resultant cerebrospinal fluid collection, which may present with a progressive myelopathy. The most common symptoms caused by spinal cord compression are paraesthesia, neuropathic pain, paresis and gait ataxia. Clinical cases We report here 2 cases from different perspectives of a spinal arachnoid cysts in spinal cord injury. The first case was the occurrence of a spinal cord injury due to compression of a spinal arachnoid cysts causing myelopathy. The second case is a patient who had a traumatic paraplegia for which stabilizing surgery was required and who subsequently developed a spinal arachnoid cysts with neuropathic pain. Both cases required surgery with immediate improvement. However, after a few months both patients needed a revision due to recurrence. Conclusion Spinal arachnoid cysts may present with a heterogeneous clinical picture. If cysts are not clinically apparent, a conservative treatment with careful observation can be a justifiable option. In patients with progressive symptoms, surgery is the gold standard of care. However, the literature describes the need for revision surgery in only 12.5% of cases. Regular follow-up is necessary because both of the patients reported here needed revision surgery.
LAY ABSTRACT Spinal cysts are cerebrospinal fluid pockets that may compress the spinal cord. They may present with different symptoms; for example, sensory disorders, pain, loss of strength and difficulty walking. We report here 2 patients with a spinal cord injury with spinal arachnoid cysts. In the case of patients with worsening symptoms, surgery is the gold standard of care. Regular follow-up is necessary; and both patients reported here needed revision surgery.
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Affiliation(s)
- Katrien Raes
- Physical Medicine and Rehabilitation, University Hospital of Ghent, Ghent, Belgium
| | - Kristine M Oostra
- Physical Medicine and Rehabilitation, University Hospital of Ghent, Ghent, Belgium
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Baig Mirza A, Bartram J, Vastani A, Gebreyohanes A, Al Banna Q, Lavrador JP, Vasan AK, Grahovac G. Systematic Review of Surgical Management of Spinal Intradural Arachnoid Cysts. World Neurosurg 2021; 158:e298-e309. [PMID: 34728397 DOI: 10.1016/j.wneu.2021.10.173] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 10/25/2021] [Accepted: 10/26/2021] [Indexed: 02/01/2023]
Abstract
OBJECTIVE Spinal intradural arachnoid cysts (SIACs) are rare pathological lesions that can arise via outpouchings of the arachnoid layer in the spinal canal that can result in neurological deficits. We performed a systematic literature review regarding the current surgical techniques used in the management of SIACs and discussed the prevailing hypotheses surrounding the etiology of SIACs. METHODS A systematic search of the literature was performed in December 2020 using EMBASE and MEDLINE for reports regarding the surgical management of SIACs. Data were collected regarding the demographics of the patients, classification system used, presence or absence of syrinxes, preoperative imaging modality, surgical approach and extent of resection, and postoperative outcomes and follow-up. RESULTS Our search yielded 19 reports for inclusion in the present study. The 19 studies included a total of 414 cases, with an overall male/female ratio of 0.93:1. The most common site for the SIACs was the thoracic spinal cord at 77.5%. The symptoms were very similar across the 19 studies. Of the 19 studies, 15 had used resection to manage the SIACs, 10 had used fenestration or marsupialization, and 4 had used cystoarachnoid or cystoperitoneal shunts. CONCLUSIONS SIACs are rare and debilitating spinal pathological lesions, with the etiology of primary SIACs still not fully elucidated. Multiple surgical approaches have been effective, with the optimal operative strategy largely dependent on the individual patient and cyst factors on a case-by-case basis.
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Affiliation(s)
- Asfand Baig Mirza
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, United Kingdom.
| | - James Bartram
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, United Kingdom
| | - Amisha Vastani
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, United Kingdom
| | - Axumawi Gebreyohanes
- Victor Horsley Department of Neurosurgery, National Hospital for Neurology and Neurosurgery, London, United Kingdom
| | - Qusai Al Banna
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, United Kingdom
| | - Jose Pedro Lavrador
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, United Kingdom
| | - Ahilan Kailaya Vasan
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, United Kingdom
| | - Gordan Grahovac
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, United Kingdom
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Papadimitriou K, Cossu G, Maduri R, Valerio M, Vamadevan S, Daniel RT, Messerer M. Endoscopic treatment of spinal arachnoid cysts. Heliyon 2021; 7:e06736. [PMID: 33889785 PMCID: PMC8050863 DOI: 10.1016/j.heliyon.2021.e06736] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/22/2021] [Accepted: 04/01/2021] [Indexed: 11/18/2022] Open
Abstract
Background/objective Spinal arachnoid cysts (SAC) are intradural lesions, which may provoke a compression of the spinal cord and roots. Endoscopic techniques are increasingly used to minimize the surgical access and the postoperative scar tissue. Shunts may also represent an option. The aim of this paper is to illustrate the technique of endoscopic-assisted fenestration and positioning of a cysto-peritoneal diversion in a thoracic SAC using a flexible endoscope and to perform a systematic literature review on this subject. Material and methods We reported our case and we performed a review of the literature, searching for all the adult cases of Type III SACs in English language treated through endoscopic procedures. Results We found 5 articles matching our search criteria and we included 9 adult patients in our analysis. Six patients were females and the most common localization was the thoracic spine. Six patients underwent selective laminectomies followed by endoscopic fenestration without cyst wall resection. Three patients had a percutaneous endoscopic inspection of the cyst and in two cases a cysto-subarachnoid shunt space was performed. Improvement of pre-operative neurological deficit was reported in six patients, no patients experienced clinical deterioration. The mean follow-up was 22 months and no progression or recurrence was reported. Conclusion The implementation of endoscopy allows a minimally invasive treatments with good visualization of cyst anatomy and precise shunt positioning under real-time guidance. Endoscopy is technically demanding but it can offer similar clinical outcomes when compared to microscopic procedures with a limited rate of post-operative complications. The long-term risk of recurrence should be established by prospective studies.
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Affiliation(s)
- K Papadimitriou
- Department of Neurosurgery, University Hospital of Lausanne, Lausanne, Switzerland
| | - G Cossu
- Department of Neurosurgery, University Hospital of Lausanne, Lausanne, Switzerland
| | - R Maduri
- Department of Neurosurgery, University Hospital of Lausanne, Lausanne, Switzerland
| | - M Valerio
- Department of Urology, University Hospital of Lausanne, Lausanne, Switzerland
| | - S Vamadevan
- Department of Urology, University Hospital of Lausanne, Lausanne, Switzerland
| | - R T Daniel
- Department of Neurosurgery, University Hospital of Lausanne, Lausanne, Switzerland
| | - M Messerer
- Department of Neurosurgery, University Hospital of Lausanne, Lausanne, Switzerland
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Bowman JJ, Edwards CC. Extradural arachnoid cyst with bony erosion: a rare case report. JOURNAL OF SPINE SURGERY 2020; 6:736-742. [PMID: 33447676 DOI: 10.21037/jss-20-590] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The authors present the case of an otherwise healthy 38-year-old female with an atypical extradural arachnoid cyst with multi-level involvement in the lumbar spine leading to left quadriceps weakness and dysesthesia. Upon presentation, a lumbar spine MRI with contrast and plain radiographs revealed extensive L4 bony erosion. An MR angiogram and cervical spine MRI with contrast were then obtained in order to rule out any aortic root or cervical spine pathology. With no other apparent clinically relevant pathology revealed by these additional tests, an L3-5 posterior decompression and fusion procedure was performed. Her preoperative symptoms were successfully resolved following the procedure, with no resultant surgical complications. The cyst is atypical not only due to its size and location, but also due of the significant bony erosion of the left L4 pedicle and vertebral body. To the authors' knowledge, this is the first reported case of an extradural arachnoid cyst in the lumbar spine with bony erosion of the pedicle and vertebral body. In cases such as this, a CT myelogram may be useful in planning the operative approach through visualization of the exact communication between cyst and dura. This approach may also aid in diagnosing and identifying atypical cyst presentations such as the one presented here.
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Yuen J, McGavin L, Adams W, Haden N. Intradural symptomatic arachnoid cyst formation following non-instrumented lumbar decompression. Br J Neurosurg 2020; 35:352-357. [PMID: 32924618 DOI: 10.1080/02688697.2020.1817313] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
PURPOSE Intradural arachnoid cyst is a rare complication of lumbar puncture, post-trauma or post-intraoperative durotomies. We aim to estimate the incidence of early intradural arachnoid cyst radiologically in non-instrumented posterior lumbar decompression among symptomatic patients, and establish clinical correlation. MATERIALS AND METHODS Patients who underwent lumbar decompression without instrumentation at a tertiary spinal service between December 2014 and January 2018 were identified. When MRI scans were performed post-operatively within 14 days, imaging, medical and operative records were reviewed by two consultant neuroradiologists. RESULTS 488 operations were included. 46 operations were followed by an early MRI scan. 59% were requested to investigate new or ongoing pain. Ten demonstrated an intradural arachnoid cyst - seven had no documented durotomy. Eight were primary operations, three were emergency operations. Statistically, we have not identified durotomy, primary-vs-revision surgery, and elective-vs-emergency surgery as risk factors. Two patients required revision operations, of these, one had a repeat post-operative scan, where the cyst resolved following further decompression at the index level, without intradural exploration. CONCLUSIONS Intradural arachnoid cyst may complicate posterior lumbar decompression. To our knowledge, this is the first study to assess its incidence as an early post-operative radiological finding, which is likely to be commoner than we recognise. It may be a cause of persisting post-operative pain.
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Affiliation(s)
- Jason Yuen
- South West Neurosurgery Centre, Derriford Hospital, Plymouth, UK
| | - Lucy McGavin
- Department of Radiology, Derriford Hospital, Plymouth, UK
| | - Will Adams
- Department of Radiology, Derriford Hospital, Plymouth, UK
| | - Nicholas Haden
- South West Neurosurgery Centre, Derriford Hospital, Plymouth, UK
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