Spinal Extraosseous Extradural Ewing’s Sarcoma: A Systematic Review

  • Kashif Ali Sultan Department of Neurosurgery, Jinnah Hospital, Lahore, Pakistan.
  • Biah Mustafa King Edward Medical University (KEMU), Lahore, Pakistan
  • Mohammad Ashraf University of Glasgow, Wolfson School of Medicine, United Kingdom.
  • Minaam Farooq King Edward Medical University (KEMU), Lahore, Pakistan
Keywords: Ewing's Sarcoma, Primitive Neuroectodermal Tumor, Extradural

Abstract

Objective:  The objective of this systematic review was to state and analyze all the case reports published on extraskeletal extradural Ewing’s Sarcoma to date.

Material and Methods:  We searched PubMed, MEDLINE, EMBASE, and Google Scholar using the following search term, including Boolean operators AND and OR. We only included published case reports and series about Ewing's Sarcoma that were Extra-skeletal and Extradural. We excluded the intradural EWS cases and those that did not have both components, i.e. extraskeletal and extradural. Conference articles, commentaries, and unpublished articles were also not included. A PRISMA flowchart was also formed.

Results:  After the first case of EES in 1969, around 40 case reports and series have been reported, which sheds light on the rarity of this disease. Age of presentation varies from as early as two months, with the oldest report being 49 years of age, and most cases presenting in adolescents and young adults. Spinal Epidural extraskeletal Ewing's sarcoma has been more frequently reported in males. The level of occurrence of the tumor also varies among cases, with cervical, thoracic and lumbar regions being more frequently affected than sacral regions.

Conclusion:  Extraskeletal extradural ES is an exceedingly rare anomaly. Multicentric collaborative work is the need of the hour for such orphan illnesses, to optimize treatment paradigms as a single-center is exceedingly unlikely to amass cases.

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Published
2021-10-17
Section
Review Article