Microsurgical Intraneural Extracapsular Resection of Neurinoma around the Cervical Neuroforamen: A Technical Note

Uchida, Kenzo; Nakajima, Hiromi; Sato, Raisa; Yayama, Takafumi; Kobayashi, Sumio; Mwaka, ES; Orwotho, Norbert; Baba, H.

doi:10.1055/s-0029-1241849

Cited by 6 publications

(2 citation statements)

References 11 publications

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“…These techniques have been shown to be effective and safe in different studies. [14][15][16][17][18] Postoperative nerve deficit complications, such as sensory disturbance or motor weakness, have also been reported at follow-up 15,19,20 and have been considered to be associated with a large tumor size and a long history. [21][22][23] However, the degree of nerve deficit usually ranges from grade I to grade II and it is usually reversible.…”

Section: Discussionmentioning

confidence: 99%

Schwannoma of the long thoracic nerve in the left axilla: a case report

2019

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Schwannoma, which is also known as neurilemmoma, is a type of tumor that arises from the peripheral nerve sheaths. Cases of schwannomas located in different regions have been reported. Some schwannomas present as asymptomatic masses, while others cause discomfort, such as pain and numbness. Magnetic resonance imaging (MRI) is a valuable diagnostic tool. A 23-year-old woman presented to our hospital with a mass in the left axilla that was misdiagnosed as mammae erraticae. The patient also considered the condition to be mammae erraticae for approximately 14 months because of a lack of symptoms. MRI was recommended by a surgeon from the galactophore department. A giant schwannoma was found. The mass was surgically excised, while preserving the continuity of the long thoracic nerve. Routine histopathological analysis confirmed the presence of a benign schwannoma. Schwannomas located in the axilla are rare and may be easily misdiagnosed as mammae erraticae or enlarged lymph nodes. Early investigation is necessary to make the diagnosis, and surgical excision is usually curative.

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Section: Discussionmentioning

confidence: 99%

Schwannoma of the long thoracic nerve in the left axilla: a case report

2019

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“…Schwannomas are located eccentrically in peripheral nerves and are well encapsulated by the epineurium, perineurium, and tumor capsule. Therefore, it is generally accepted that careful dissection under magnification can achieve complete enucleation without causing neurological deficit 17 , 18 ) . Although many published studies support this concept 19 , 20 , 21 ) , this may not always hold true 22 , 23 , 24 , 25 , 26 ) .…”

Section: Techniques For Enucleation Of Schwannoma: Extra-capsular and Intra-capsularmentioning

confidence: 99%

Schwannoma in the extremity: clinical features and microscopic intra-capsular enucleation

et al. 2021

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Objective: Schwannomas are the most common type of neoplasm of the peripheral nerves. Enucleation is a standard surgical procedure; however, it occasionally results in iatrogenic nerve injury, even with atraumatic procedures. Herein, we present the clinical characteristics of schwannoma arising in the extremities and discuss the clinical outcomes of extra-and intra-capsular enucleation.Patients and Methods: We reviewed 122 schwannomas treated at our institute. Schwannomas arising from the minor nerve (n=30) or intramuscularly (n=15) were operated using the extra-capsular technique. Of the 77 major nerve schwannomas, 62 schwannomas were treated using the intra-capsular technique and 15 schwannomas using the extra-capsular technique. Results: Neurological deficits following enucleation were significantly lower using the intra-capsular technique than with the extra-capsular technique. The patient age, duration of symptoms, maximum tumor diameter, and site of occurrence were not associated with subsequent neurological deficits. With both techniques, no tumor recurrence was observed at the final follow-up. Conclusion:These results support the use of intra-capsular micro-enucleation as a safe and reliable treatment for every type of schwannoma. To minimize the risk of nerve injury, en bloc resection should not be used because the main purpose of schwannoma surgery is the relief of symptoms, not tumor resection.

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Advantages of intra-capsular micro-enucleation of schwannoma arising from extremities

Date

Muramatsu

Ihara³

et al. 2011

Acta Neurochir

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These results support intra-capsular micro-enucleation as a safe and reliable treatment for every type of schwannoma. To minimize the risk of nerve injury, en bloc resection should not be used because the main purpose of schwannoma surgery is the relief of symptoms, not tumor resection. Thorough pre-operative counseling of patients to inform them of the potential occurrence of neurological deficit is important.

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Microsurgical Intraneural Extracapsular Resection of Neurinoma around the Cervical Neuroforamen: A Technical Note

Cited by 6 publications

References 11 publications

Schwannoma of the long thoracic nerve in the left axilla: a case report

Schwannoma of the long thoracic nerve in the left axilla: a case report

Schwannoma in the extremity: clinical features and microscopic intra-capsular enucleation

Advantages of intra-capsular micro-enucleation of schwannoma arising from extremities

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