A mobile hemangioblastoma of the cauda equina: Case report and review of the literature

Luo, Haitao; Xiao, Juexian; Lv, Shigang; Zhu, Xingen; Cheng, Zujue

doi:10.1080/10790268.2018.1547855

Cited by 6 publications

(3 citation statements)

References 17 publications

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“…3 In many cases, tumor migration is not associated with a change in clinical symptoms and is simply diagnosed on serial imaging. 2,[4][5][6][7][8][9][10][11][12] However, several cases of tumor migration have been identified intraoperatively after negative intradural exploration or inadequate exposure requiring laminectomy extension. 3,[13][14][15][16][17] In other cases, such as ours, tumor migration was associated with a change in symptoms.…”

Section: Discussionmentioning

confidence: 99%

Migratory schwannoma of the cauda equina with a change in radicular pattern: illustrative case

Parr,

Williams,

Mooney

et al. 2024

Journal of Neurosurgery: Case Lessons

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BACKGROUND Intradural spinal tumors are an uncommon entity with a variety of pathologies and symptom patterns. Few cases reports in the literature have described tumor migration within the spinal canal. OBSERVATIONS A 38-year-old male presented with bilateral upper lumbar radicular symptoms of anterior thigh pain, with an enhancing tumor of the cauda equina initially located at L1–2. He declined surgery initially, and at a follow-up 3 years later, his symptoms were unchanged but the tumor was now located at T12–L1. He again declined surgery, but 3 months later, he had a significant change in his pain distribution, which was now along his posterolateral right leg to his foot with associated dorsiflexion and extensor hallicus longus weakness. At this time, the tumor had migrated to L2–3. He underwent laminectomy and tumor resection with resolution of his radicular symptoms and improvement in his strength back to baseline by the 1-month follow-up. Pathology was consistent with a World Health Organization grade I schwannoma. LESSONS Migratory schwannoma is a rare entity but should be considered when radicular symptoms acutely change in the setting of a known intradural tumor. Repeat imaging should be performed to avoid wrong-level surgery. Intraoperative imaging can also be used for tumor localization.

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Section: Discussionmentioning

confidence: 99%

Migratory schwannoma of the cauda equina with a change in radicular pattern: illustrative case

Parr,

Williams,

Mooney

et al. 2024

Journal of Neurosurgery: Case Lessons

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“…Mobile spinal tumors are rare, and a literature search revealed only 22 reported cases that comprised schwannomas, ependymomas, neurenteric cysts, and a hemangioblastoma [7–9,12–16]. The majority (approximately 70%) of the mobile spinal tumors were found to be schwannoma, and all the tumors were solid or heterogeneously solid.…”

Section: Discussionmentioning

confidence: 99%

Mobile Spinal Schwannoma with a Completely Cystic Appearance

et al. 2019

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Patient: Female, 48 Final Diagnosis: Spinal schawnnoma Symptoms: Dysuria • leg pain Medication: — Clinical Procedure: — Specialty: Orthopedics and Traumatology Objective: Challenging differential diagnosis Background: Spinal schwannomas are benign tumors arising from Schwann cells. Although they have been well described, tumor movement in the spinal canal is an extremely rare finding, and entirely cystic spinal schwannomas have rarely been reported. This is the first report of a spinal schwannoma that simultaneously exhibited both these unusual features. Case Report: A 48-year-old female presented with dysuria and right leg pain. Initial magnetic resonance imaging (MRI) revealed a well-delineated intradural cystic lesion at the level of L4–S1 vertebrae that was isointense with cerebrospinal fluid on both T1- and T2-weighted images. A follow-up MRI 6 months later showed that the tumor had moved to the level of L2–L4; it also revealed tortuous configuration of nerve roots of the cauda equina. The tumor was resected, and a diagnosis of schwannoma with extensive cystic degeneration was pathologically confirmed. Conclusions: Various possible mechanisms have been suggested for the mobility of extramedullary tumors. In the present case, MRI findings indicated the cause of the tumor movement might be attributed to the laxity of nerve roots. Besides, it is highly atypical for a schwannoma to present an entirely cystic appearance, and the combination of the 2 extraordinary features made preoperative diagnosis difficult. However, 16 out of 22 (73%) of previously reported mobile spinal tumors were schwannomas, so the differential diagnosis for a mobile spinal tumor should include schwannoma, even when the lesion seems entirely cystic on MRI. To minimize the risk of complications and additional surgical dissection, physicians should acknowledge that spinal tumors can migrate.

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“…84% were males and 16% females with a mean age of 49 years. Other mobile spinal tumors are: Ependymoma, neuroenteric cyst, enterogenic cyst, hemangioblastoma and paraganglioma [4][5][6][7].…”

Section: Incidencementioning

confidence: 99%

Rostral migration of cauda equina schwannoma: Case report and literature review

2023

Open J Clin Med Images

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A mobile hemangioblastoma of the cauda equina: Case report and review of the literature

Cited by 6 publications

References 17 publications

Migratory schwannoma of the cauda equina with a change in radicular pattern: illustrative case

Migratory schwannoma of the cauda equina with a change in radicular pattern: illustrative case

Mobile Spinal Schwannoma with a Completely Cystic Appearance

Rostral migration of cauda equina schwannoma: Case report and literature review

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