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Intramedullary schwannoma of conus medullaris: rare site for a common tumor with review of literature. | LitMetric

AI Article Synopsis

Article Abstract

Introduction: Schwannomas at an intramedullary location constitute only 0.3% of primary spinal tumors. Those in the conus are extremely rare, especially in the absence of neurofibromatosis, with only 12 cases reported in the literature so far, excluding the present case.

Case Presentation: We report the case of a 27-year-old female who presented with complaints of backache since 1 year, weakness in both lower limbs with tingling and numbness since 6 months, and urinary incontinence since 1 month. There was no history of trauma or any skin lesions. Magnetic resonance imaging (MRI) of the spine provided a provisional diagnosis of ependymoma. The patient was operated upon, histopathology revealed it to be a schwannoma.

Discussion: Intramedullary schwannomas without neurofibromatosis are extremely rare at the conus and can be completely resected unless there is infiltration. Gliomas and ependymomas are commoner entities at this site, which are usually subtotally resected. This case highlights that although extremely rare, the possibility of a schwannoma may be considered in the differentials of an intramedullary spinal lesion.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6219485PMC
http://dx.doi.org/10.1038/s41394-018-0134-zDOI Listing

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