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Li J, Winter SP, Gattu R, Perry KD, Gaetke-Udager K, Abdulfatah E, McHugh JB, Konopka KE, Bedewi MA, Soliman SB. A 22-year-old man with a posterior left shoulder mass. Skeletal Radiol 2024:10.1007/s00256-024-04696-2. [PMID: 38683468 DOI: 10.1007/s00256-024-04696-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 04/19/2024] [Accepted: 04/24/2024] [Indexed: 05/01/2024]
Affiliation(s)
- Joy Li
- Department of Radiology, Division of Musculoskeletal Radiology, University of Michigan, Ann Arbor, MI, USA
| | - Stephen P Winter
- Department of Radiology, Division of Musculoskeletal Radiology, University of Michigan, Ann Arbor, MI, USA
| | - Rishabh Gattu
- Department of Radiology, Division of Musculoskeletal Radiology, University of Michigan, Ann Arbor, MI, USA
| | - Kyle D Perry
- Department of Pathology, University of Michigan, Ann Arbor, MI, USA
| | - Kara Gaetke-Udager
- Department of Radiology, Division of Musculoskeletal Radiology, University of Michigan, Ann Arbor, MI, USA
| | - Eman Abdulfatah
- Department of Pathology, University of Michigan, Ann Arbor, MI, USA
| | | | | | - Mohamed Abdelmohsen Bedewi
- Department of Internal Medicine, Prince Sattam Bin Abdulaziz University, College of Medicine, Al-Kharj, Kingdom of Saudi Arabia
| | - Steven B Soliman
- Department of Radiology, Division of Musculoskeletal Radiology, University of Michigan, Ann Arbor, MI, USA.
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Li R, Zhang Y, Li G, Wei C, Xiong H, Chang X. Treatment of childhood intraneural perineurioma: A case report and literature review. Heliyon 2024; 10:e26089. [PMID: 38434310 PMCID: PMC10907645 DOI: 10.1016/j.heliyon.2024.e26089] [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: 11/23/2023] [Revised: 01/09/2024] [Accepted: 02/07/2024] [Indexed: 03/05/2024] Open
Abstract
Background Intraneural perineurioma is a rare, benign slow-growing lesion that usually involves a single main trunk nerve during childhood and young adulthood. The treatment of intraneural perineurioma is still a subject of controversy, especially in fast-growing children. To date, there was no systemic analysis of intraneural perineurioma in children. Method A case of Intraneural perineurioma affecting the left sciatic nerve with 2 years of follow-up was presented. A systematic review was performed on literature published before June 2023, focusing on intraneural perineurioma diagnosed at no older than 18 years old. Result A 9-year-old boy presented with progressive left foot-drop and abnormal gait for 2 years. The electromyography and magnetic resonance neurography study confirmed neuropathy involving the left sciatic nerves and its branches. Pathological investigation of the left sural nerve confirmed the diagnosis of intraneural perineurioma. The boy received physical therapy, and the disease was stable during the 2 years of follow-up. Fifty-seven childhood cases were identified in literature. Five patients with oral intraneural perineurioma underwent excision of the mass with good outcomes. In the other 52 patients with peripheral nerve involvement, 25 of them received surgical treatment, with different outcomes according to different operations. Out of 33 cases with precise lesion sizes, the length of the lesion in patients without nerve resection was significantly longer than that in patients with nerve resection (12.86 ± 7.44 cm vs 4.57 ± 4.5 cm. p < 0.05). Conclusions Intraneural perineuriomas are rare benign tumors with slow progression. The options for surgery should be cautiously considered in childhood patients with long segmental peripheral nerve involvement.
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Affiliation(s)
- Rongpei Li
- Department of Pediatrics, Peking University First Hospital, Beijing 100034, China
- Department of Pediatrics, Jining First People's Hospital, Shandong, 272011, China
| | - Yao Zhang
- Department of Pediatrics, Peking University First Hospital, Beijing 100034, China
| | - Guanggui Li
- Department of Pediatrics, Peking University First Hospital, Beijing 100034, China
- Department of Pediatrics, The First People's Hospital of Zunyi, Guizhou, 563099, China
| | - Cuijie Wei
- Department of Pediatrics, Peking University First Hospital, Beijing 100034, China
| | - Hui Xiong
- Department of Pediatrics, Peking University First Hospital, Beijing 100034, China
| | - Xingzhi Chang
- Department of Pediatrics, Peking University First Hospital, Beijing 100034, China
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3
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Giannini C, Righi A. Peripheral nerve tumors. HANDBOOK OF CLINICAL NEUROLOGY 2024; 201:251-271. [PMID: 38697744 DOI: 10.1016/b978-0-323-90108-6.00016-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2024]
Abstract
The chapter is focused on the neoplastic peripheral nerve lesions, which primarily involve "cranial and paraspinal nerves," as outlined in the CNS volume (WHO_Classification_of_Tumours_Editorial_Board, 2021). These include classic peripheral nerve sheath tumors such as schwannoma, neurofibroma, intraneural perineurioma, and malignant peripheral nerve sheath tumors, with their variants as well as new and more precisely defined entities, including hybrid nerve sheath tumors and malignant melanotic nerve sheath tumor (previously melanotic schwannoma).
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Affiliation(s)
- Caterina Giannini
- Division of Anatomic Pathology, Laboratory Medicine/Pathology and Neurosurgery, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN, United States; Department of Biomedical and Neuromotor Sciences (DIBINEM), Alma Mater Studiorum, University of Bologna, Bologna, Italy.
| | - Alberto Righi
- Department of Pathology, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
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4
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Lenartowicz KA, Smith BW, Jack MM, Wilson TJ, Klein CJ, Amrami KK, Spinner RJ. What is new in intraneural perineurioma? Acta Neurochir (Wien) 2023; 165:3539-3547. [PMID: 37684428 DOI: 10.1007/s00701-023-05765-6] [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: 06/12/2023] [Accepted: 08/18/2023] [Indexed: 09/10/2023]
Abstract
Since the initial description of intraneural (IN) perineurioma in 1964, advances in the understanding of the clinical presentation, diagnostic imaging, pathologic features, and genetic underpinnings have changed how this pathology is managed. IN perineuriomas are rare, benign peripheral nerve sheath tumors, most frequently coming to clinical attention when patients present with painless, progressive weakness or sensory loss in adolescence or young adulthood. The gold standard of diagnosis has traditionally been with targeted tissue biopsy demonstrating "pseudo-onion bulb" formation with positive epithelial membrane antigen (EMA) staining. However, modern magnetic resonance imaging is allowing some patients to forgo biopsy. Recent genetic studies of IN perineuriomas have demonstrated common TRAF7 point mutations and rare NF2 mutations, which may present targets for diagnosis or therapy in the future. Current advances have allowed for us to provide improved patient counseling with informed understanding for various clinical scenarios. With the workup and diagnosis now clearly defined, the next frontier is for improving the lives of patients with IN perineuriomas through the interaction between restoration of functional deficits and advances in our understanding of the genetics of this entity.
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Affiliation(s)
| | - Brandon W Smith
- Department of Neurosurgery, Duke University, Durham, NC, USA
| | - Megan M Jack
- Department of Neurosurgery, Cleveland Clinic, Cleveland, OH, USA
| | - Thomas J Wilson
- Department of Neurosurgery, Stanford University Medical Center, Stanford, CA, USA
| | | | | | - Robert J Spinner
- Departement of Neurologic Surgery, Mayo Clinic, Gonda 8-214, Rochester, MN, 55905, USA.
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5
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Pellerino A, Verdijk RM, Nichelli L, Andratschke NH, Idbaih A, Goldbrunner R. Diagnosis and Treatment of Peripheral and Cranial Nerve Tumors with Expert Recommendations: An EUropean Network for RAre CANcers (EURACAN) Initiative. Cancers (Basel) 2023; 15:cancers15071930. [PMID: 37046591 PMCID: PMC10093509 DOI: 10.3390/cancers15071930] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Revised: 03/12/2023] [Accepted: 03/21/2023] [Indexed: 04/14/2023] Open
Abstract
The 2021 WHO classification of the CNS Tumors identifies as "Peripheral nerve sheath tumors" (PNST) some entities with specific clinical and anatomical characteristics, histological and molecular markers, imaging findings, and aggressiveness. The Task Force has reviewed the evidence of diagnostic and therapeutic interventions, which is particularly low due to the rarity, and drawn recommendations accordingly. Tumor diagnosis is primarily based on hematoxylin and eosin-stained sections and immunohistochemistry. Molecular analysis is not essential to establish the histological nature of these tumors, although genetic analyses on DNA extracted from PNST (neurofibromas/schwannomas) is required to diagnose mosaic forms of NF1 and SPS. MRI is the gold-standard to delineate the extension with respect to adjacent structures. Gross-total resection is the first choice, and can be curative in benign lesions; however, the extent of resection must be balanced with preservation of nerve functioning. Radiotherapy can be omitted in benign tumors after complete resection and in NF-related tumors, due to the theoretic risk of secondary malignancies in a tumor-suppressor syndrome. Systemic therapy should be considered in incomplete resected plexiform neurofibromas/MPNSTs. MEK inhibitor selumetinib can be used in NF1 children ≥2 years with inoperable/symptomatic plexiform neurofibromas, while anthracycline-based treatment is the first choice for unresectable/locally advanced/metastatic MPNST. Clinical trials on other MEK1-2 inhibitors alone or in combination with mTOR inhibitors are under investigation in plexiform neurofibromas and MPNST, respectively.
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Affiliation(s)
- Alessia Pellerino
- Division of Neuro-Oncology, Department of Neuroscience "Rita Levi Montalcini", University and City of Health and Science Hospital, 10126 Turin, Italy
| | - Robert M Verdijk
- Department of Pathology, Section Ophthalmic Pathology, Erasmus MC University Medical Center Rotterdam, 3015 Rotterdam, The Netherlands
- Department of Pathology, Leiden University Medical Center, 2333 Leiden, The Netherlands
| | - Lucia Nichelli
- Department of Neuroradiology, Sorbonne Université, 75005 Paris, France
- Assistance Publique-Hôpitaux de Paris, 75610 Paris, France
- Groupe Hospitalier Pitié-Salpêtrière-Charles Foix, 75013 Paris, France
| | - Nicolaus H Andratschke
- Department of Radiation Oncology, University Hospital Zurich, University of Zurich, 8006 Zurich, Switzerland
| | - Ahmed Idbaih
- AP-HP, Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix, Sorbonne Université, 75005 Paris, France
- Inserm, CNRS, UMR S 1127, Institut du Cerveau-Paris Brain Institute, 75013 Paris, France
- ICM, Service de Neurologie 2-Mazarin, 75013 Paris, France
| | - Roland Goldbrunner
- Center for Neurosurgery, Department of General Neurosurgery, University of Cologne, 50923 Cologne, Germany
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Bhandarkar AR, Spinner RJ. Commentary: Surgical Management of Peripheral Nerve Pathology in Patients With Neurofibromatosis Type 2. Neurosurgery 2023; 92:e15-e16. [PMID: 36377908 DOI: 10.1227/neu.0000000000002241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 09/17/2022] [Indexed: 11/16/2022] Open
Affiliation(s)
- Archis R Bhandarkar
- Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota, USA.,Alix School of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Robert J Spinner
- Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota, USA
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Peyre M, Tran S, Parfait B, Bernat I, Bielle F, Kalamarides M. Surgical Management of Peripheral Nerve Pathology in Patients With Neurofibromatosis Type 2. Neurosurgery 2023; 92:317-328. [PMID: 36637268 DOI: 10.1227/neu.0000000000002202] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 08/24/2022] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND Neurofibromatosis type 2 (NF2) is rare genetic disorder mainly characterized by the development of central nervous system lesions, but peripheral nerve pathology may also cause high morbidity including pain, motor, and sensory loss. OBJECTIVE To describe the tumor burden of patients with peripheral nerve pathology in NF2 including peripheral neuropathies and schwannomas and the results of surgery in the latter group. METHODS We conducted a retrospective chart review of all patients with NF2 followed up at our NF2 Reference Center to include all patients suffering from peripheral nerve pathology. Tumor detection relied on focal MRIs based on symptoms. RESULTS Thirty-four patients harboring 105 peripheral nerve schwannomas and 1 perineurioma were included. Schwannomas were mainly located in major nerves (n = 74, 71%) compared with subcutaneous (n = 23, 22%) and intramuscular (n = 8, 7%) cases. Most schwannomas (81/90-90%) were classical discrete tumors while multinodular cases represented only 9 cases (10%). During follow-up, 63 (60%) tumors were operated in 24 patients, including 39 schwannomas of major nerves. A complete resection was achieved in most of the cases (52/63, 83%) with a complete relief of preoperative pain in most patients (57/60, 95%). Persistent motor deficits (5/39, 13%) were mostly encountered in patients operated from multinodular schwannomas (4/5, 80%). Six patients had an associated peripheral neuropathy with 5 cases of pseudo-Charcot-Marie-Tooth-associated amyotrophy. CONCLUSION Surgery remains a safe and effective method of treating peripheral nerve schwannoma-associated pain in NF2, with the exception of rare multinodular tumors. Special attention should be drawn to patients harboring severely debilitating neuropathies and perineuriomas.
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Affiliation(s)
- Matthieu Peyre
- Sorbonne Universités - Department of Neurosurgery, Groupe Hospitalier Pitié-Salpêtrière, APHP, Paris, France.,Genetics and Development of Brain Tumors - CRICM INSERM U1127 CNRS UMR 7225 - Paris Brain Institute, Hôpital de la Pitié-Salpêtrière, Paris, France
| | - Suzanne Tran
- Genetics and Development of Brain Tumors - CRICM INSERM U1127 CNRS UMR 7225 - Paris Brain Institute, Hôpital de la Pitié-Salpêtrière, Paris, France.,Sorbonne Universités - Department of Neuropathology, Groupe Hospitalier Pitié-Salpêtrière, APHP, Paris, France
| | - Béatrice Parfait
- Université de Paris - Department of Genomic Medecine, Groupe Hospitalier Cochin, APHP, Paris, France.,Genomics and Epigenetics of Rare Tumors - Institut Cochin - (U1016 Inserm/UMR8104 CNRS/UMR-S8104) Department "Development, Reproduction and Cancer", Paris, France
| | - Isabelle Bernat
- Sorbonne Universités - Department of Electrophysiology, Groupe Hospitalier Pitié-Salpêtrière, APHP, Paris, France
| | - Franck Bielle
- Genetics and Development of Brain Tumors - CRICM INSERM U1127 CNRS UMR 7225 - Paris Brain Institute, Hôpital de la Pitié-Salpêtrière, Paris, France.,Sorbonne Universités - Department of Neuropathology, Groupe Hospitalier Pitié-Salpêtrière, APHP, Paris, France
| | - Michel Kalamarides
- Sorbonne Universités - Department of Neurosurgery, Groupe Hospitalier Pitié-Salpêtrière, APHP, Paris, France.,Genetics and Development of Brain Tumors - CRICM INSERM U1127 CNRS UMR 7225 - Paris Brain Institute, Hôpital de la Pitié-Salpêtrière, Paris, France
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8
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Lenartowicz KA, Goyal A, Mauermann ML, Wilson TJ, Spinner RJ. Clinical Features, Natural History, and Outcomes of Intraneural Perineuriomas: A Systematic Review of the Literature. World Neurosurg 2021; 154:120-131.e8. [PMID: 34284162 DOI: 10.1016/j.wneu.2021.07.042] [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: 04/24/2021] [Revised: 07/07/2021] [Accepted: 07/08/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND Intraneural perineurioma is a rare peripheral nerve sheath tumor characterized by localized proliferation of perineurial cells. The literature consists predominantly of case reports and institutional series, with inconsistent and confusing nomenclature. We present a pooled analysis of all reported cases of intraneural perineurioma in the literature. METHODS A systematic search of PubMed, MEDLINE, Embase, and Scopus was performed according to PRISMA guidelines to identify all reported cases of intraneural perineurioma in the literature. Individual cases were pooled and analyzed for demographics, clinical features, and outcomes. RESULTS A total of 172 cases were identified across 72 studies, of which 149 were found in major peripheral nerves and their branches. Median age of patients at diagnosis and onset of symptoms was 18 years (interquartile range [IQR], 12-34 years) years and 13.5 years (IQR, 8-26 years), respectively, with 54.4% (81/149) being female. The most common sites were the sciatic nerve or its branches (41.9%), median nerve (13.5%), radial nerve (12.2%), and brachial plexus (12.2%). Most patients were managed conservatively (52.9%; 72/136). Among those managed conservatively with available follow-up (n = 31), median follow-up was 11 months, and most (67.7%, n = 21) reported no change in neurologic status, although worsening was noted in 29.0% (9/31). Among surgically managed cases (n = 64), the most common intervention was resection with or without repair (62.5%; 40/64), neurolysis (25%; 16/64), or tendon transfers without resection (12.5%; 8/64). No lesion recurred after surgical resection. CONCLUSIONS Intraneural perineurioma represents a benign focal lesion presenting with weakness and atrophy affecting adolescents and young adults. Most cases are managed nonoperatively and surgical treatment strategies are varied.
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Affiliation(s)
| | - Anshit Goyal
- Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | | | - Thomas J Wilson
- Department of Neurologic Surgery, Stanford University, Palo Alto, California, USA
| | - Robert J Spinner
- Mayo Clinic Alix School of Medicine, Mayo Clinic, Rochester, Minnesota, USA.
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Everson MC, Pendleton C, Jack MM, Smith BW, Carter JM, Spinner RJ. Sporadic Malignant Perineurioma: A Rare Diagnosis Among Malignant Peripheral Nerve Sheath Tumors. World Neurosurg 2021; 149:e36-e41. [PMID: 33647483 DOI: 10.1016/j.wneu.2021.02.099] [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: 12/02/2020] [Revised: 02/21/2021] [Accepted: 02/21/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND Malignant perineurioma is a rare subset of malignant peripheral nerve sheath tumors (MPNSTs) with ultrastructural and immunohistochemical features of perineurial differentiation, distinguishing it from other MPNSTs, which typically demonstrate Schwannian features. The clinical course and prognosis of this rare tumor is not well defined. METHODS The electronic medical records were searched for patients with a diagnosis of MPNST. Patients with a pathologic diagnosis of malignant perineurioma or MPNST with perineurial features were identified and further evaluated. RESULTS Five patients with malignant perineurioma, or MPNST with perineurial features, were identified. Four patients (2 male and 2 female) were included with tumors associated with a common digital nerve, small muscular branch to the deltoid, sciatic nerve, and accessory nerve. One patient with the pathology diagnosis meeting inclusion criteria was excluded, as no clinical information was available for this patient. CONCLUSIONS Patients in our series presented at varied stages of disease. Clinical courses after diagnosis of malignant perineurioma, where follow-up was available, were largely uncomplicated with regard to recurrence and metastatic disease. Careful follow-up is indicated, and further work is needed to characterize the clinical course of these rare tumors.
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Affiliation(s)
- Megan C Everson
- Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota, USA.
| | - Courtney Pendleton
- Department of Neurologic Surgery, Stony Brook University, Stony Brook, New York, USA
| | - Megan M Jack
- Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Brandon W Smith
- Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Jodi M Carter
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota, USA
| | - Robert J Spinner
- Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota, USA
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