Prostate cancer with perineural spread and dural extension causing bilateral lumbosacral plexopathy: Case report

Stepan Capek, Benjamin M. Howe, Jennifer A. Tracy, Joaquín J. García, Kimberly K. Amrami, Robert J. Spinner

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

Perineural tumor spread in prostate cancer is emerging as a mechanism to explain select cases of neurological dysfunction and as a cause of morbidity and tumor recurrence. Perineural spread has been shown to extend from the prostate bed to the lumbosacral plexus and then distally to the sciatic nerve or proximally to the sacral and lumbar nerves and even intradurally. The authors present a case of a bilateral neoplastic lumbosacral plexopathy that can be explained anatomically as an extension of the same process: from one lumbosacral plexus to the contralateral one utilizing the dural sac as a bridge between the opposite sacral nerve roots. Their theory is supported by sequential progression of symptoms and findings on clinical examinations as well as high-resolution imaging (MRI and PET/CT scans). The neoplastic nature of the process was confirmed by a sciatic nerve fascicular biopsy. The authors believe that transmedian dural spread allows continuity of a neoplastic process from one side of the body to the other.

Original languageEnglish (US)
Pages (from-to)778-783
Number of pages6
JournalJournal of neurosurgery
Volume122
Issue number4
DOIs
StatePublished - Apr 2015

Keywords

  • Bilateral
  • Lumbosacral plexopathy
  • Oncology
  • Perineural spread
  • Plexopathy
  • Prostate cancer

ASJC Scopus subject areas

  • Surgery
  • Clinical Neurology

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