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Yamashiro K, Hayakawa M, Adachi K, Hasegawa M, Hirose Y. Tumor Embolization via the Meningohypophyseal and Inferolateral Trunk in Patients with Skull Base Tumors Using the Distal Balloon Protection Technique. AJNR Am J Neuroradiol 2024; 45:618-625. [PMID: 38290740 PMCID: PMC11288533 DOI: 10.3174/ajnr.a8169] [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: 11/23/2023] [Accepted: 01/13/2024] [Indexed: 02/01/2024]
Abstract
BACKGROUND AND PURPOSE Tumor embolization through the meningohypophyseal trunk and inferolateral trunk is known to be effective in skull base tumors; however, microcatheter cannulation into these arteries is difficult, and the number of cases that can be safely embolized is limited. In this study, we present a novel embolization procedure for the meningohypophyseal trunk and inferolateral trunk using the distal balloon protection technique and detail its clinical efficacy and complication risks. We developed this procedure to allow safe embolization in patients who cannot be adequately cannulated with microcatheters into these arteries. MATERIALS AND METHODS Patients who underwent meningohypophyseal trunk or inferolateral trunk embolization using the distal balloon protection technique for skull base tumors at our institution between 2010 and 2023 were included. In this procedure, the ICA was temporarily occluded with a balloon at the ophthalmic artery bifurcation, the microcatheter was guided to the meningohypophyseal trunk or inferolateral trunk vicinity, and embolic particles were injected into the arteries. The balloon was deflated after the embolic particles that had refluxed into the ICA were aspirated. RESULTS A total of 25 meningohypophyseal trunks and inferolateral trunks were embolized during 21 operations. Of these 25 arteries, only 9 (36.0%) were successfully cannulated with microcatheters. Nevertheless, effective embolization was achieved in all cases. Permanent complications occurred in only 1 case (4.8%) in which the central retinal artery was occluded during inferolateral trunk embolization, resulting in a visual field defect. No permanent complications resulting from the embolic cerebral infarction were observed. Of 16 cases that underwent MR imaging within a week after embolization, however, 11 (68.8%) demonstrated embolic cerebral infarctions. CONCLUSIONS In patients with skull base tumors with meningohypophyseal trunk or inferolateral trunk feeders that cannot be catheterized directly, embolization using the distal balloon protection technique for tumor supply can be considered as a salvage technique.
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Affiliation(s)
- Kei Yamashiro
- From the Department of Neurosurgery (K.Y., M. Hayakawa), Fujita Health University Okazaki Medical Center, Okazaki, Aichi, Japan
- Department of Neurosurgery (K.Y., M. Hayakawa, K.A., Y.H.), Fujita Health University, Toyoake, Aichi, Japan
| | - Motoharu Hayakawa
- From the Department of Neurosurgery (K.Y., M. Hayakawa), Fujita Health University Okazaki Medical Center, Okazaki, Aichi, Japan
- Department of Neurosurgery (K.Y., M. Hayakawa, K.A., Y.H.), Fujita Health University, Toyoake, Aichi, Japan
| | - Kazuhide Adachi
- Department of Neurosurgery (K.Y., M. Hayakawa, K.A., Y.H.), Fujita Health University, Toyoake, Aichi, Japan
| | | | - Yuichi Hirose
- Department of Neurosurgery (K.Y., M. Hayakawa, K.A., Y.H.), Fujita Health University, Toyoake, Aichi, Japan
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Yüncü ME, Karadag A, Polat S, Camlar M, Bilgin B, Quiñones-Hinojosa A, Middlebrooks EH, Özer F, Tanriover N. Comparison of the Retrosigmoid Suprameatal and Anterior Subtemporal Transpetrosal Approaches After Full Exposure of the Internal Acoustic Meatus. Oper Neurosurg (Hagerstown) 2023; 25:e126-e134. [PMID: 37255294 DOI: 10.1227/ons.0000000000000752] [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: 01/11/2023] [Accepted: 03/14/2023] [Indexed: 06/01/2023] Open
Abstract
BACKGROUND AND OBJECTIVES Surgical approaches to the ventral brainstem and petroclival regions are complex, and standard retrosigmoid and subtemporal approaches are often inadequate. Retrosigmoid suprameatal tubercle (RSMTA) and anterior subtemporal transpetrosal (ASTA) approaches may provide extended surgical exposure with less brain retraction. The objective of this study was to evaluate advantages and disadvantages of RSMTA vs ASTA, and illustrate the surgical corridors and 3-dimensional microsurgical anatomy of the related structures. METHODS Four silicone-injected adult cadaver heads (8 sides) were dissected to evaluate the accessibility of lesions located at the petrous apex, ventral brainstem, and pontomedullary region using ASTA and RSTMA. RESULTS Both ASTA and RSMTA provide access from the petrous apex to the ventral lower pons and pontomedullary junction. A greater extent of safely resected bone was found in ASTA vs RSMTA. ASTA provides a larger surgical view to the ventrolateral midpons, peritrigeminal region, superior neurovascular complex, pontomesencephalic junction, and posterior cavernous sinus. Meanwhile, through cranial nerve V mobilization, RSMTA provides a larger surgical view to the lower half part of the pons, ventrolateral part of the pontomedullary junction, and middle and lower neurovascular structures. CONCLUSION The choice of surgical approach is determined by considering the area where the lesion originates, lesion size, the anatomic structures to which it extends, and evaluation of the area that can be surgically exposed. Our study highlights the differences between these approaches and important surgical anatomic considerations.
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Affiliation(s)
- Mustafa Eren Yüncü
- Department of Neurosurgery, Tepecik Research and Training Hospital, Health Science University, Izmir, Turkey
- Microsurgical Neuroanatomy Laboratory, Department of Neurosurgery, Istanbul University-Cerrahpasa, Cerrahpasa Medical Faculty, Istanbul, Turkey
| | - Ali Karadag
- Department of Neurosurgery, Tepecik Research and Training Hospital, Health Science University, Izmir, Turkey
| | - Sarper Polat
- Microsurgical Neuroanatomy Laboratory, Department of Neurosurgery, Istanbul University-Cerrahpasa, Cerrahpasa Medical Faculty, Istanbul, Turkey
| | - Mahmut Camlar
- Department of Neurosurgery, Tepecik Research and Training Hospital, Health Science University, Izmir, Turkey
| | - Berra Bilgin
- Microsurgical Neuroanatomy Laboratory, Department of Neurosurgery, Istanbul University-Cerrahpasa, Cerrahpasa Medical Faculty, Istanbul, Turkey
- Department of Neurosurgery, Tokat State Hospital, Tokat, Turkey
| | | | - Erik H Middlebrooks
- Department of Neurosurgery, Mayo Clinic, Jacksonville, Florida, USA
- Department of Radiology, Mayo Clinic, Jacksonville, Florida, USA
| | - Fusun Özer
- Department of Neurosurgery, Tepecik Research and Training Hospital, Health Science University, Izmir, Turkey
| | - Necmettin Tanriover
- Microsurgical Neuroanatomy Laboratory, Department of Neurosurgery, Istanbul University-Cerrahpasa, Cerrahpasa Medical Faculty, Istanbul, Turkey
- Department of Neurosurgery, Istanbul University-Cerrahpasa, Cerrahpasa Faculty of Medicine, Istanbul, Turkey
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Yamashiro K, Aadchi K, Omi T, Hayakawa M, Sadato A, Hasegawa M, Hirose Y. Anatomical variations and flow alterations of the uncal vein and its clinical implications in petroclival meningiomas. Acta Neurochir (Wien) 2023; 165:1727-1738. [PMID: 37072631 DOI: 10.1007/s00701-023-05590-x] [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: 12/09/2022] [Accepted: 04/03/2023] [Indexed: 04/20/2023]
Abstract
BACKGROUND The Uncal vein (UV), downstream of the deep middle cerebral vein (DMCV), has a similar drainage pattern to the superficial middle cerebral vein (SMCV) and may be involved in venous complications during the anterior transpetrosal approach (ATPA). However, in petroclival meningioma (PCM), where the ATPA is frequently used, there are no reports evaluating drainage patterns of the UV and the risk of venous complications associated with the UV during the ATPA. METHODS Forty-three patients with petroclival meningioma (PCM) and 20 with unruptured intracranial aneurysm (control group) were included. Preoperative digital subtraction angiography was used to evaluate UV and DMCV drainage patterns on the side of the tumor and bilaterally in patients with PCM and the control group, respectively. RESULTS In the control group, the DMCV drained to the UV, UV and BVR, and BVR in 24 (60.0%), eight (20.0%), and eight (20.0%) hemispheres, respectively. Conversely, the DMCV in the patients with PCM drained to the UV, UV and BVR, and BVR in 12 (27.9%), 19 (44.2%), and 12 (27.9%) patients, respectively. The DMCV was more likely to be drained to the BVR in the PCM group (p < 0.01). In three patients with PCM (7.0%), the DMCV drained only to the UV, and furthermore, the UV drained to the pterygoid plexus via the foramen ovale, posing a risk for venous complications during the ATPA. CONCLUSIONS In the patients with PCM, the BVR functioned as a collateral venous pathway of the UV. Preoperative evaluation of the UV drainage patterns is recommended to reduce venous complications during the ATPA.
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Affiliation(s)
- Kei Yamashiro
- Department of Neurosurgery, Fujita Health University Okazaki Medical Center, Harisaki-Cho, 1 Gotanda, Okazaki, Aichi, 444-0827, Japan.
- Department of Neurosurgery, Fujita Health University, Toyoake, Aichi, 470-1192, Japan.
| | - Kazuhide Aadchi
- Department of Neurosurgery, Fujita Health University, Toyoake, Aichi, 470-1192, Japan
| | - Tatsuo Omi
- Department of Neurosurgery, Fujita Health University Okazaki Medical Center, Harisaki-Cho, 1 Gotanda, Okazaki, Aichi, 444-0827, Japan
- Department of Neurosurgery, Fujita Health University, Toyoake, Aichi, 470-1192, Japan
| | - Motoharu Hayakawa
- Department of Neurosurgery, Fujita Health University Okazaki Medical Center, Harisaki-Cho, 1 Gotanda, Okazaki, Aichi, 444-0827, Japan
- Department of Neurosurgery, Fujita Health University, Toyoake, Aichi, 470-1192, Japan
| | - Akiyo Sadato
- Department of Neurosurgery, Fujita Health University, Toyoake, Aichi, 470-1192, Japan
| | - Mitsuhiro Hasegawa
- Department of Neurosurgery, Fujita Health University, Toyoake, Aichi, 470-1192, Japan
- Tokyo D-Tower Hospital, Tokyo, 135-0061, Japan
| | - Yuichi Hirose
- Department of Neurosurgery, Fujita Health University, Toyoake, Aichi, 470-1192, Japan
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Adachi K, Hasegawa M, Hirose Y. Cerebrospinal fluid leakage prevention using the anterior transpetrosal approach with versus without postoperative spinal drainage: an institutional cohort study. Neurosurg Rev 2023; 46:137. [PMID: 37286772 DOI: 10.1007/s10143-023-02045-w] [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: 02/25/2023] [Revised: 04/06/2023] [Accepted: 05/28/2023] [Indexed: 06/09/2023]
Abstract
The efficacy of spinal drain (SD) placement for cerebrospinal fluid (CSF) leakage prevention after the anterior transpetrosal approach (ATPA) remains unclear. Thus, we aimed to assess whether postoperative SD placement improved postoperative CSF leakage after a skull base reconstruction procedure using a small abdominal fat and pericranial flap and clarify whether bed rest with postoperative SD placement increased the length of hospital stay. This retrospective cohort study included 48 patients who underwent primary surgery using ATPA between August 2011 and February 2022. All cases underwent SD placement preoperatively. First, we evaluated the necessity of SD placement for CSF leakage prevention by comparing the postoperative routine continuous SD placement period to a period in which the SD was removed immediately after surgery. Second, the effects of different SD placement durations were evaluated to understand the adverse effects of SD placement requiring bed rest. No patient with or without postoperative continuous SD placement developed CSF leakage. The median postoperative time to first ambulation was 3 days shorter (P < 0.05), and the length of hospital stay was 7 days shorter (P < 0.05) for patients who underwent SD removal immediately after surgery (2 and 12 days, respectively) than for those who underwent SD removal on postoperative day 1 (5 and 19 days, respectively). This skull base reconstruction technique was effective in preventing CSF leakage in patients undergoing ATPA, and postoperative SD placement was not necessary. Removing the SD immediately after surgery can lead to earlier postoperative ambulation and shorter hospital stay by reducing medical complications and improving functional capacity.
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Affiliation(s)
- Kazuhide Adachi
- Department of Neurosurgery, School of Medicine, Fujita Health University, 1-98, Kutsugake Dengakugakubo, Aichi, Toyoake City, 470-1192, Japan.
| | - Mitsuhiro Hasegawa
- Department of Neurosurgery, School of Medicine, Fujita Health University, 1-98, Kutsugake Dengakugakubo, Aichi, Toyoake City, 470-1192, Japan
| | - Yuichi Hirose
- Department of Neurosurgery, School of Medicine, Fujita Health University, 1-98, Kutsugake Dengakugakubo, Aichi, Toyoake City, 470-1192, Japan
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Adachi K, Hasegawa M, Hirose Y. Epidural and subdural interdural approach to the lateral wall of the cavernous sinus for preserving the laterocavernous sinus in trigeminal schwannoma. Neurosurg Rev 2022; 46:27. [PMID: 36576615 DOI: 10.1007/s10143-022-01934-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 09/22/2022] [Accepted: 12/21/2022] [Indexed: 12/29/2022]
Abstract
Evacuation of middle fossa trigeminal schwannomas (TS) warrants a subtemporal interdural approach through the lateral wall of the cavernous sinus (CS). The dura comprises the dura propria, which follows the trigeminal nerve and develops into the epineurium, and periosteal layer. The interdural approach involves peeling off the dura propria and exposing the epineural sheath. The venous route around the CS is often obstructed due to TS progression. The interdural approach based on venous route preservation remains to be discussed. The laterocavernous sinus (LCS) is formed in these layers, draining to either the medial or lateral route. In the lateral route, the LCS drains to the pterygoid plexus via the middle cranial fossa foramen. Exposure of the interdural space disturbs the lateral route's venous flow. We describe an operative strategy for venous route preservation in TS via the LCS lateral route. The venous route can be preserved by peeling off the dura propria from the posterior end of the foramen ovale short of the venous drainage route to the pterygoid plexus epidurally and then cutting from the middle cranial fossa dura posterior to the venous route subdurally to the exposed interdural space. This technique helps in avoiding postoperative venous complications.
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Affiliation(s)
- Kazuhide Adachi
- Department of Neurosurgery, School of Medicine, Fujita Health University, 1-98, Kutsugake Dengakugakubo, Toyoake City, Aichi, 470-1192, Japan.
| | - Mitsuhiro Hasegawa
- Department of Neurosurgery, School of Medicine, Fujita Health University, 1-98, Kutsugake Dengakugakubo, Toyoake City, Aichi, 470-1192, Japan
| | - Yuichi Hirose
- Department of Neurosurgery, School of Medicine, Fujita Health University, 1-98, Kutsugake Dengakugakubo, Toyoake City, Aichi, 470-1192, Japan
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Adachi K, Hasegawa M, Hirose Y. Prediction of trigeminal nerve position based on the main feeding artery in petroclival meningioma. Neurosurg Rev 2020; 44:1173-1181. [PMID: 32424648 DOI: 10.1007/s10143-020-01313-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 04/09/2020] [Accepted: 04/29/2020] [Indexed: 10/24/2022]
Abstract
The trigeminal nerve is often displaced by petroclival meningioma (PCM) compression, making it difficult to locate during PCM surgery. This study investigated whether the deviated position of the trigeminal nerve could be easily predicted using the main tumor feeding artery. We retrospectively examined 32 patients who underwent surgery for primary PCM. The deviation of the trigeminal nerve was classified as either Type 1 (displacement toward the back of the cerebellar tentorium), Type 2 (toward the back of the superior petrosal sinus), Type 3 (toward the back of the petrous apex dura), Type 4 (toward the inferior aspect of the tumor), or Type 5 (toward the surface of the brain stem). The main feeding artery was determined by preoperative angiography. The trigeminal nerve was classified as Type 2 in 60% of cases where the proximal tentorial artery (TA) was the main feeding vessel. The nerve was Type 5 where the distal portion of the TA was the main feeding vessel (60% of the cases). The nerves were Type 3 and Type 4 where the proximal inferior lateral trunk (ILT) (60%) and distal ILT (75%), respectively, were the main feeding vessels. In 66.7% of the cases where the dorsal meningeal artery was the main feeding vessel, the nerve was Type 3. Type 1 classification applied in all cases where the ascending pharyngeal artery was the main feeding artery. The main feeding artery can be used to predict trigeminal nerve transposition during PCM surgery.
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Affiliation(s)
- Kazuhide Adachi
- Department of Neurosurgery, School of Medicine, Fujita Health University, 1-98, Kutsugake Dengakugakubo, Toyoake City, Aichi, 470-1192, Japan.
| | - Mituhiro Hasegawa
- Department of Neurosurgery, School of Medicine, Fujita Health University, 1-98, Kutsugake Dengakugakubo, Toyoake City, Aichi, 470-1192, Japan
| | - Yuichi Hirose
- Department of Neurosurgery, School of Medicine, Fujita Health University, 1-98, Kutsugake Dengakugakubo, Toyoake City, Aichi, 470-1192, Japan
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