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Shi J, He KX, Dong YB, Liu YH, Lu C, Li WX. Intracapsular Enucleation of Brachial Plexus Schwannoma With Intraoperative Neuromonitoring: A Case Series Study and a Review of Literature. EAR, NOSE & THROAT JOURNAL 2023:1455613231198422. [PMID: 37740422 DOI: 10.1177/01455613231198422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/24/2023] Open
Abstract
OBJECTIVE Brachial plexus schwannoma (BPS) is a rare clinical entity that poses a significant challenge for head and neck surgeons due to its neuroanatomical complexity and potential severe complications, such as major motor or sensory neurological deficits or pain of the corresponding upper extremity. This article summarizes our experience in its diagnosis and intracapsular enucleation with intraoperative neuromonitoring (INM). METHODS A retrospective review of BPS cases treated at our tertiary medical institution was conducted between April 2020 and May 2023. The clinical and demographic data were retrieved from case notes. RESULTS Totally, 3 cases were included. All 3 patients were male, aged 43 to 54 years (median age = 52). The presenting symptom was a palpable supraclavicular mass in all these cases (2 on the left side and 1 on the right side). Neuromonitoring was performed with a 4-channel nerve integrity monitor, with the electrodes placed in the upper arm and forearm muscles, as demonstrated in the literature. After exposing the mass and identifying its origin from the brachial plexus, a unipolar stimulating probe was used to stimulate the tumor surface or the nerves with a 1.0-mA current, and a longitudinal incision into the tumor capsule was made along a carefully mapped line with no INM response. Then the mass was carefully exposed and meticulously dissected from its capsule to achieve an intact enucleation. Immediate postoperative neurological deficit was documented in Case 1 as a mild grasping weakness. The recovery of the other 2 patients was uneventful. The follow-up duration was 7 to 38 months (median = 8 months). The minor motor deficit of Case 1 recovered completely 1 month after surgery. No recurrence of BPS was observed. CONCLUSIONS Intracapsular enucleation with INM could result in complete removal of BPS and minimal postoperative neurological deficit, whose recovery was quick and satisfactory.
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Affiliation(s)
- Juan Shi
- Department of Otolaryngology Head and Neck Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Kai-Xuan He
- Department of Otolaryngology Head and Neck Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Yan-Bo Dong
- Department of Otolaryngology Head and Neck Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Yu-He Liu
- Department of Otolaryngology Head and Neck Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Cheng Lu
- Department of Otolaryngology Head and Neck Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Wan-Xin Li
- Department of Otolaryngology Head and Neck Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing, China
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Xiao Y, Feng SQ, Luo T, Zan YS, Li L, Shen LQ. Plexiform Schwannoma of Brachial Plexus in Axilla: A Rare Case Report. JOURNAL OF MUSCULOSKELETAL & NEURONAL INTERACTIONS 2023; 23:371-376. [PMID: 37654224 PMCID: PMC10483822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Accepted: 08/02/2023] [Indexed: 09/02/2023]
Abstract
The most common tumours in the brachial plexus are benign schwannomas, followed by neurofibromas and malignancies, originating from the peripheral nerve sheath. The clinical manifestations of brachial plexus tumours are variable according to their location, extension, neurological elements involved and pathology. Brachial plexus tumours are rare in the upper extremity, and axillary schwannoma is uncommon. This case reports a 59-year-old woman with a tumour in her left axilla for two years, gradually enlarging with numbness in her left little finger. Microsurgical interfascicular dissection operation was performed to remove the tumour. Νumbness disappeared after the procedure, and no tumour recurrence was observed during the 30-month follow-up. To the best of our knowledge, plexiform schwannoma of the brachial plexus in the axilla has not been reported so far. In this article, such a case is reported, where this tumour was diagnosed by the histopathological examination and confirmed with immunohistochemistry.
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Affiliation(s)
- Yun Xiao
- Trauma Center, The First People’s Hospital of Yunnan Province/The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Shu-qing Feng
- Ultrasound Center, The First People’s Hospital of Yunnan Province/The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Tao Luo
- Trauma Center, The First People’s Hospital of Yunnan Province/The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Yong-sheng Zan
- Trauma Center, The First People’s Hospital of Yunnan Province/The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Li Li
- Trauma Center, The First People’s Hospital of Yunnan Province/The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Li-qi Shen
- Trauma Center, The First People’s Hospital of Yunnan Province/The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
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Gagliardi F, Medone M, Giordano L, Snider S, Piloni M, Pompeo E, Roncelli F, Ruffino L, Mortini P. Anterior selective scalenectomy for periforaminal exposure in the ventral supraclavicular approach. JOURNAL OF CRANIOVERTEBRAL JUNCTION AND SPINE 2023; 14:144-148. [PMID: 37448504 PMCID: PMC10336902 DOI: 10.4103/jcvjs.jcvjs_153_22] [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: 12/12/2022] [Accepted: 02/20/2023] [Indexed: 07/15/2023] Open
Abstract
Aims and Objectives Route of choice to access cervical paravertebral lesions with foraminal involvement is the anterolateral corridor with its variants. Main limitation of these techniques is represented by the limited surgical access to periforaminal area due to the bulk generated by the anterior scalene muscle (ASM). Over the years, alternative techniques for ASM surgical management have been developed, which are still today a matter of debate. Most popular include ASM scalene complete section (SCS) and ASM medial detachment (SMD). Authors describe an innovative, minimally invasive muscle section technique, the anterior selective scalenectomy (ASS), which reduces the risk of iatrogenic morbidity and optimizes exposure of periforaminal area in anterolateral cervical routes. Materials and Methods A laboratory investigation was conducted. Technique was applied in a surgical setting, and an illustrative case was reported. Results ASS is a quick and easy technique to perform. It allows optimization of surgical visibility and control on the periforaminal area in the cervical anterolateral corridor. It respects muscle anatomy and vascularization, favoring functional recovery and management of peri-operative pain; it reduces the risk of morbidity on phrenic nerve and pleura. Considering the minimally invasive nature of the technique, it allows for a slightly more limited exposure compared to traditional techniques while ensuring optimal surgical maneuverability on the target area. Conclusions ASS represents an effective and safe alternative to traditional ASM section techniques for the exposure of periforaminal area in anterolateral cervical routes. It is indicated in case of lesions with paravertebral development and minimal intraforaminal component in the C3-C6 segment.
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Affiliation(s)
- Filippo Gagliardi
- Department of Neurosurgery and Gamma Knife Radiosurgery, San Raffaele Scientific Institute, Vita-Salute University, Milan, Italy
| | - Marzia Medone
- Department of Neurosurgery and Gamma Knife Radiosurgery, San Raffaele Scientific Institute, Vita-Salute University, Milan, Italy
| | - Leone Giordano
- Department of Otorhinolaryngology, San Raffaele Scientific Institute, Vita-Salute University, Milan, Italy
| | - Silvia Snider
- Department of Neurosurgery and Gamma Knife Radiosurgery, San Raffaele Scientific Institute, Vita-Salute University, Milan, Italy
| | - Martina Piloni
- Department of Neurosurgery and Gamma Knife Radiosurgery, San Raffaele Scientific Institute, Vita-Salute University, Milan, Italy
| | - Edoardo Pompeo
- Department of Neurosurgery and Gamma Knife Radiosurgery, San Raffaele Scientific Institute, Vita-Salute University, Milan, Italy
| | - Francesca Roncelli
- Department of Neurosurgery and Gamma Knife Radiosurgery, San Raffaele Scientific Institute, Vita-Salute University, Milan, Italy
| | - Luca Ruffino
- Department of Neurosurgery and Gamma Knife Radiosurgery, San Raffaele Scientific Institute, Vita-Salute University, Milan, Italy
| | - Pietro Mortini
- Department of Neurosurgery and Gamma Knife Radiosurgery, San Raffaele Scientific Institute, Vita-Salute University, Milan, Italy
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Han C, Ahn HY, Kim YD, Lee CW. Nerve Cable Graft Interposition in Patients with Brachial Plexus Schwannoma: Case Reports. J Chest Surg 2021; 54:535-538. [PMID: 34465668 PMCID: PMC8646071 DOI: 10.5090/jcs.21.038] [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: 05/04/2021] [Revised: 06/21/2021] [Accepted: 07/02/2021] [Indexed: 11/16/2022] Open
Abstract
Schwannomas are rare benign tumors that develop in Schwann cells lining peripheral nerves. Schwannomas of the brachial plexus are especially rare, accounting for 5% of all cases. Although several treatments can be considered, the exact method of treatment is unclear owing to the scarcity and sporadic occurrence of schwannomas. Tumor resection is performed in most cases, and nerve damage is inevitable in cases of neuroinvasive schwannoma. In this case series, we present our successful use of transposition of cable-grafted nerves for the treatment of schwannomas. We performed cable-grafted nerve interposition in addition to tumor resection, leading to increased recovery of nerve damage. To relieve postoperative symptoms and minimize sequelae, precise surgical tumor resection followed by nerve interposition using a cable-grafted nerve may be recommended.
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Affiliation(s)
- Changsung Han
- Department of Thoracic and Cardiovascular Surgery, Pusan National University Hospital, Pusan National University School of Medicine, Busan, Korea
| | - Hyo Yeong Ahn
- Department of Thoracic and Cardiovascular Surgery, Pusan National University Hospital, Pusan National University School of Medicine, Busan, Korea
| | - Yeong Dae Kim
- Department of Thoracic and Cardiovascular Surgery, Pusan National University Hospital, Pusan National University School of Medicine, Busan, Korea
| | - Chung Won Lee
- Department of Thoracic and Cardiovascular Surgery, Pusan National University Hospital, Pusan National University School of Medicine, Busan, Korea
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Aleksanyan LV, Afyan TS, Khachatryan PS, Poghosyan AY. Schwannoma of the brachial plexus with cystic degeneration: A case report schwannoma of the brachial plexus. Clin Case Rep 2021; 9:1980-1985. [PMID: 33936627 PMCID: PMC8077327 DOI: 10.1002/ccr3.3922] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 01/05/2021] [Accepted: 01/29/2021] [Indexed: 12/23/2022] Open
Abstract
Schwannoma of the brachial plexus can be present as a painless swelling without an upper limb functional or sensitivity deficiency. Thorough examinations, including MRI, are necessary to identify the nerves of origin and prevent potential harm.
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Affiliation(s)
- Lusine V. Aleksanyan
- Department of ENT and Maxillofacial Surgery "Heratsi" No. 1 University HospitalYSMUYerevanArmenia
| | - Tigran S. Afyan
- Department of ENT and Maxillofacial Surgery "Heratsi" No. 1 University HospitalYSMUYerevanArmenia
| | - Parandzem S. Khachatryan
- Department of Pathological Anatomy and Clinical Morphology "Heratsi" No. 1 University HospitalYSMUYerevanArmenia
| | - Anna Yu Poghosyan
- Department of ENT and Maxillofacial Surgery "Heratsi" No. 1 University HospitalYSMUYerevanArmenia
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Dubuisson A, Reuter G, Kaschten B, Martin D, Racaru T, Steinmetz M, Gérardy F. Management of benign nerve sheath tumors of the brachial plexus: relevant diagnostic and surgical features. About a series of 17 patients (19 tumors) and review of the literature. Acta Neurol Belg 2021; 121:125-131. [PMID: 33387349 DOI: 10.1007/s13760-020-01560-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 11/19/2020] [Indexed: 11/25/2022]
Abstract
Brachial plexus (BP) tumors are rare, potentially difficult-to-manage lesions. The method is retrospective chart analysis. Among the 17 patients, four had neurofibromatosis and one schwannomatosis (NF +). The latter has bilateral BP tumors that remain stable on MRI at a 6.5 year follow-up. Another NF + patient has bilateral non-operable BP plexiform neurofibromas. The complaints of the 15 operated patients were radiated pain, a mass, local pain, paresthesia, a neurological deficit (n = 15, 12, 7, 10, 7). On MRI, the tumors appeared as nodular or ovoid large masses. Four operated tumors were proximal, reaching the foramen. The FDG-PET scan (n = 4) always showed tumor hypermetabolism. A preoperative percutaneous biopsy was done in three patients before neurosurgical consultation; one of them developed neurogenic pain and a sensory deficit following two percutaneous biopsies for a misinterpreted cervical lymphadenopathy. Surgery was performed using a supra-, infra-, supra- + infra-clavicular or posterior subscapular approach (n = 8, 3, 3, 1). Intraoperative electrophysiology was used in all patients. Complete or gross total resection was achieved in 14 patients. Two patients had fascicle reconstruction with grafts. Pathology revealed 13 schwannomas and two neurofibromas. Neurogenic pain transiently developed or worsened after surgery in five patients. At last follow-up, a mild deficit remained in four patients (preexisting in three). No recurrence had occurred. We conclude that a thorough examination of any patient with a cervical or axillary mass is crucial to avoid misinterpretation as a lymphadenopathy. MRI is the best imaging modality. Most BP benign tumors can be completely and safely resected through the use of microsurgical techniques and intraoperative electrophysiology.
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Affiliation(s)
| | - Gilles Reuter
- Department of Neurosurgery, CHU Liege, Liège, Belgium
| | | | - Didier Martin
- Department of Neurosurgery, CHU Liege, Liège, Belgium
| | - Tudor Racaru
- Department of Neurosurgery, CHU Liege, Liège, Belgium
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Fiani B, El-Farra MH, Dahan A, Endres P, Taka T, Delgado L. Brachial plexus tumors extending into the cervicothoracic spine: a review with operative nuances and outcomes. Clin Transl Oncol 2021; 23:1263-1271. [PMID: 33449268 DOI: 10.1007/s12094-020-02549-7] [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: 10/26/2020] [Accepted: 12/27/2020] [Indexed: 12/16/2022]
Abstract
BACKGROUND The rarity and anatomical complexity of brachial plexus tumors (BPTs) impose many challenges onto surgeons performing surgical resections, especially when these tumors invade the cervicothoracic spine. Treatment choices and surgery outcomes heavily depend on anatomical location and tumor type. METHODS The authors performed an extensive review of the published literature (PubMed) focusing on "brachial plexus tumors" that identified invasion of the cervicothoracic spine. RESULTS The search yielded 2774 articles pertaining to "brachial plexus tumors". Articles not in the English language or involving cervicothoracic spinal invasion were excluded. CONCLUSIONS Recent research has shown that the most common method used to resect tumors of the proximal roots is the dorsal subscapular approach. Despite its association with high morbidity rate, this technique offers excellent exposure to the spinal roots and intraforaminal portion of the spinal nerve. The dorsal approach is used to resect recurrent lower trunk tumors and dumbbell-shaped neurofibromas, yet it is also the least common overall approach used in brachial plexus tumor resections. The ventral or anterior technique is commonly used to resect tumors at the cord to division level, and root to trunk level. Motor complications, transient nerve palsy, and bleeding are among the most common complications of the anterior supraclavicular approach. Further controlled studies are needed to fully determine the optimal surgical approach used to obtain the best outcomes and least complications for each type of brachial plexus tumor.
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Affiliation(s)
- B Fiani
- Department of Neurosurgery, Desert Regional Medical Center, 1150 N. Indian Canyon Drive, Palm Springs, CA, 92262, USA.
| | - M H El-Farra
- University of California Riverside School of Medicine, 92521 Ucr Botanic Gardens Rd, Riverside, CA, 92507, USA
| | - A Dahan
- University of California Riverside School of Medicine, 92521 Ucr Botanic Gardens Rd, Riverside, CA, 92507, USA
| | - P Endres
- University of California Riverside School of Medicine, 92521 Ucr Botanic Gardens Rd, Riverside, CA, 92507, USA
| | - T Taka
- University of California Riverside School of Medicine, 92521 Ucr Botanic Gardens Rd, Riverside, CA, 92507, USA
| | - L Delgado
- University of California Riverside School of Medicine, 92521 Ucr Botanic Gardens Rd, Riverside, CA, 92507, USA
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Abstract
Schwannoma generally occurs in the vestibular nerve. Cervical schwannomas are quite rare. Herein, we present a case of slow-growing asymptomatic supraclavicular schwannoma in an elderly woman of 74 years. The patient was managed conservatively with regular follow-up as the tumor showed slow progressive growth (presented after seven years) and asymptomatic.
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Affiliation(s)
| | - Abdullatif Khan
- Pathology, King Abdulaziz Medical City, National Guard Health Affairs, Riyadh, SAU
| | - Mohammed Asiri
- Otolaryngology, King Abdulaziz Medical City, National Guard Health Affairs, Riyadh, SAU
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